Tech Tips
Perform "Inspection After Repairs" after replacing the piston sub-assembly or piston ring Click here.
INSTALL TIGHT PLUG
Tech Tips
If coolant leaks from a tight plug or a plug is corroded, replace it.
| *a | Front Side | *b | Intake Side |
| *c | Rear Side | *d | Exhaust Side |
| *e | 1.0 mm (0.0394 in.) | - | - |
Apply adhesive to new tight plugs.
| Adhesive |
|---|
| Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent |
Using SST, tap in the tight plug labeled A.
Using SST, tap in the 8 tight plugs labeled B and D.
Using SST, tap in the tight plugs labeled C.
INSTALL STUD BOLT
Tech Tips
If a stud bolt is deformed or its threads are damaged, replace it.
| *a | Front Side | *b | Lower Side |
| *c | Exhaust Side | *d | 12 mm (0.472 in.) |
| *e | 85 mm (3.35 in.) | *f | 37 mm (1.46 in.) |
| *g | 13 mm (0.512 in.) | *h | 20 mm (0.787 in.) |
| *i | 35 mm (1.38 in.) | - | - |
Using an E8 "TORX" socket wrench, install the stud bolts labeled A.
Apply adhesive to the hole for the stud bolt labeled B in the cylinder block. Install the stud bolt labeled B.
Tech Tips
When reusing a stud bolt, apply adhesive to the bolt before installing it.
| Adhesive |
|---|
| Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent |
Using an E7 "TORX" socket wrench, install the stud bolts labeled C.
INSTALL STRAIGHT PIN
Tech Tips
It is not necessary to remove a straight pin unless it is being replaced.
Using a plastic-faced hammer, tap in new straight pins to the cylinder block.
| *a | Height | *b | Wide |
| *c | Protrusion Height | *d | Rear Side |
| Standard Straight Pin | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
INSTALL RING PIN
Tech Tips
It is not necessary to remove a ring pin unless it is being replaced.
Using a plastic-faced hammer, tap in new ring pins to the cylinder block.
| *a | Front Side | *b | Lower Side |
| *c | Upper Side | *d | Height |
| *e | Width | *f | Protrusion |
| Standard Ring Pin | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
INSTALL CYLINDER BLOCK WATER DRAIN COCK SUB-ASSEMBLY
Apply adhesive to the cylinder block water drain cock sub-assembly.
| Adhesive |
|---|
| Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent |
| *a | Allowable Range |
| *b | Target Direction |
| *c | Upper Side |
| *d | Front |
Install the cylinder block water drain cock sub-assembly as shown in the illustration.
Note
Do not rotate the cylinder block water drain cock sub-assembly more than 1 revolution (360°) after tightening the cylinder block water drain cock sub-assembly to the specified torque.
Do not loosen the cylinder block water drain cock sub-assembly to adjust it. If an adjustment is necessary, remove the cylinder block water drain cock sub-assembly and reinstall it.
Install the water drain cock plug to the cylinder block water drain cock sub-assembly.
INSTALL NO. 1 OIL NOZZLE SUB-ASSEMBLY
Using an E7 "TORX" socket wrench, install the 4 No. 1 oil nozzle sub-assemblies.
INSTALL CONNECTING ROD SMALL END BUSH
| *a | Oil Hole |
Align the oil holes of a new connecting rod small end bush and the connecting rod.
Using SST and a press, press in the connecting rod small end bush.
Using a pin hole grinder, hone the connecting rod small end bush to obtain the standard specified clearance Click here between the connecting rod small end bush and piston pin.
Check that the piston pin fits at normal room temperature.
Coat the piston pin with engine oil, and push it into the connecting rod with your thumb.
INSTALL PISTON WITH PIN SUB-ASSEMBLY
Tech Tips
Perform "Inspection After Repairs" after replacing the piston sub-assembly Click here.
Assemble the piston and connecting rod.
| *a | Service Hole Cutout Portion |
Using a screwdriver, install a new snap ring at one end of the piston pin hole.
Tech Tips
Make sure that the end gap of the snap ring is not aligned with the service hole cutout portion of the piston.
Gradually heat the piston to approximately 80 to 90°C (176 to 194°F).
Coat the piston pin with engine oil.
| *a | Front Mark |
Align the front marks of the piston and connecting rod and push in the piston pin with your thumb.
Tech Tips
The piston and pin are a matched set.
| *a | Service Hole Cutout Portion |
Using a screwdriver, install a new snap ring at the other end of the piston pin hole.
Tech Tips
Make sure that the end gap of the snap ring is not aligned with the service hole cutout portion of the piston.
Check the fitting condition between the piston and piston pin by trying to move the piston back and forth on the piston pin.
INSTALL PISTON RING SET
Tech Tips
Perform "Inspection After Repairs" after replacing the piston ring Click here.
| *1 | Upper Oil Ring Side Rail |
| *2 | Oil Ring Expander |
| *3 | Lower Oil Ring Side Rail |
Install the oil ring expander and 2 oil ring side rails by hand.
| *1 | No. 2 Compression Ring |
| *a | Code Mark (2N) |
|
Upward |
Using a piston ring expander, install the 2 compression rings with the code mark as shown in the illustration.
Note
The No. 1 compression ring is reversible.
Install the No. 2 compression ring with the code mark (2N) facing upward.
| *1 | No. 1 Compression Ring |
| *2 | No. 2 Compression Ring |
| *3 | Oil Ring Expander |
| *4 | Upper Oil Ring Side Rail |
| *5 | Lower Oil Ring Side Rail |
| *a | Front Mark |
Position the piston rings so that the ring ends are as shown in the illustration.
Note
Do not align the compression ring ends.
INSTALL CRANKSHAFT BEARING
Note
Do not apply engine oil to the contact area or backside of the crankshaft bearing.
Tech Tips
The crankshaft bearing cap bolts are tightened in 2 progressive steps.
Clean the main journal, and both surfaces of the crankshaft bearing.
Install the upper crankshaft bearing.
| *a | CORRECT |
| *b | INCORRECT |
| *c | Oil Groove |
Install the upper crankshaft bearing to the cylinder block as shown in the illustration.
| Reference (Difference in Dimension of Cylinder Block and Crankshaft Bearing) | ||||||||
|---|---|---|---|---|---|---|---|---|
|
Note
Do not apply engine oil to the upper crankshaft bearings or their contact surfaces.
Both sides of the oil groove in the cylinder block should be visible through the oil feed holes in the bearing. The amount visible on each side of the holes should be equal.
Install the lower crankshaft bearing.
Install the lower crankshaft bearing to the crankshaft bearing cap.
| *1 | Lower Crankshaft Bearing |
| *2 | Crankshaft Bearing Cap |
Using a vernier caliper, measure the distance between the crankshaft bearing cap edge and lower crankshaft bearing edge.
| Dimension (A - B) or (B - A) |
|---|
| 0.3 mm (0.0118 in.) or less |
| Reference (Dimension of (A) or (B)) | ||||||||
|---|---|---|---|---|---|---|---|---|
|
Note
Do not apply engine oil to the crankshaft bearings or their contact surfaces.
With the upper crankshaft bearing and lower crankshaft bearing installed, use a plastic-faced hammer to install the crankshaft bearing caps to the cylinder block.
Note
Make sure that the crankshaft bearing caps are installed in the correct positions and facing in the correct direction.
| *a | Misalignment |
Using a vernier caliper, measure the amount of misalignment between the upper crankshaft bearing and lower crankshaft bearing as shown in the illustration.
| Standard misalignment |
|---|
| 0.9 mm (0.0354 in.) or less |
Remove the crankshaft bearing cap.
Apply engine oil to the upper crankshaft thrust washers.
| *a | Oil Groove |
Install the 2 upper crankshaft thrust washers to the No. 3 journal position of the cylinder block with the oil grooves facing outward.
Note
Be careful when installing the upper and lower crankshaft thrust washers as they are similar but cannot be interchanged.
| *a | Claw |
| *b | Oil Groove |
Install the 2 lower crankshaft thrust washers to the No. 3 crankshaft bearing cap with the grooves facing outward.
Note
Be careful when installing the upper and lower crankshaft thrust washers as they are similar but cannot be interchanged. The lower crankshaft thrust washers have a claw as shown in the illustration.
Apply engine oil to the lower crankshaft bearing.
INSTALL CRANKSHAFT
Apply engine oil to the upper crankshaft bearing, and then place the crankshaft on the cylinder block.
Install the 5 crankshaft bearing caps to their proper locations.
Install the crankshaft bearing cap bolts.
Apply a light coat of engine oil to the threads and under the heads of the bearing cap bolts.
Temporarily install the crankshaft bearing cap bolts.
Tech Tips
The main bearing cap bolts are tightened in 2 progressive steps.
Step 1:
Uniformly tighten the 10 crankshaft bearing cap bolts in the sequence shown in the illustration.
If any of the crankshaft bearing cap bolts does not meet the torque specification, replace the crankshaft bearing cap bolt.
Mark the front of the bearing cap bolts with paint.
Step 2:
Tighten the bearing cap bolts 90° in the sequence shown in step 1.
Check that the paint marks are now at a 90° angle to the front.
Check that the crankshaft turns smoothly.
INSPECT CRANKSHAFT THRUST CLEARANCE
Using a dial indicator, measure the thrust clearance while prying the crankshaft back and forth with a screwdriver.
| Standard thrust clearance |
|---|
| 0.02 to 0.22 mm (0.000787 to 0.00866 in.) |
| Maximum thrust clearance |
|---|
| 0.30 mm (0.0118 in.) |
If the thrust clearance is more than the maximum, replace the thrust washers as a set. If necessary, replace the crankshaft.
| Thrust washer thickness |
|---|
| 2.440 to 2.490 mm (0.0961 to 0.0980 in.) |
INSTALL CONNECTING ROD BEARING
| *a | Claw |
Align the connecting rod bearing claw with the groove of the connecting rod or connecting rod cap.
Install the bearings in the connecting rod and connecting rod cap.
Note
Clean the backside of the bearing and the bearing surface of the connecting rod.
INSTALL PISTON SUB-ASSEMBLY WITH CONNECTING ROD
Apply engine oil to the cylinder walls, the pistons, and the surfaces of the connecting rod bearings.
| *1 | No. 1 Compression Ring |
| *2 | No. 2 Compression Ring |
| *3 | Oil Ring Expander |
| *4 | Upper Oil Ring Side Rail |
| *5 | Lower Oil Ring Side Rail |
| *a | Front Mark |
Position the piston rings so that the ring ends are as shown in the illustration.
Note
Do not align the compression ring ends.
| *a | Front |
| *b | Front Mark |
Using a piston ring compressor, push the numbered piston and connecting rod assembly into the correct cylinder with the front mark of the piston facing forward.
Match the numbered connecting rod cap with the correct connecting rod.
| *a | Front Mark |
Check that the front mark of the connecting rod cap is facing forward.
Install the connecting rod cap bolts.
Tech Tips
The connecting rod cap bolts are tightened in 2 progressive steps.
Apply a light coat of engine oil to the threads and under the heads of the connecting rod cap bolts.
Step 1:
Install and alternately tighten the bolts of the connecting rod cap in several steps.
Mark the front of each connecting rod cap bolt with paint.
Step 2:
Tighten the cap bolts 90° as shown.
Check that the paint marks are now at a 90° angle to the front.
Check that the crankshaft turns smoothly.
INSPECT CONNECTING ROD THRUST CLEARANCE
Using a dial indicator, measure the thrust clearance while moving the connecting rod back and forth.
| Standard thrust clearance |
|---|
| 0.15 to 0.35 mm (0.00591 to 0.0138 in.) |
| Maximum thrust clearance |
|---|
| 0.40 mm (0.0157 in.) |
If the thrust clearance is more than the maximum, replace the connecting rod assembly. If necessary, replace the crankshaft.
INSTALL INTAKE VALVE GUIDE BUSH
Using a caliper gauge, measure the bush bore diameter of the cylinder head.
| Standard Bush Bore Diameter | ||||||
|---|---|---|---|---|---|---|
|
If the bush bore diameter of the cylinder head is more than 10.306 mm (0.406 in.), machine the bush bore so that the diameter is between 10.335 and 10.356 mm (0.407 and 0.408 in.).
If the bush bore diameter of the cylinder head is more than 10.356 mm (0.408 in.), replace the cylinder head sub-assembly.
Select a new intake valve guide bush.
| New Valve Guide Bush | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
|||||||||
Tech Tips
Standard intake valve guide bush length: 43.0 to 44.0 mm (1.69 to 1.73 in.)
Heat the cylinder head sub-assembly to 80 to 100°C (176 to 212°F).
Place the cylinder head sub-assembly on wooden blocks.
| *a | Protrusion Height |
Using SST and a hammer, tap in a new intake valve guide bush to the specified protrusion height.
| Standard protrusion height |
|---|
| 9.8 to 10.2 mm (0.386 to 0.402 in.) |
Using a sharp 5.5 mm reamer, ream the intake valve guide bush to obtain the standard clearance between the intake valve guide bush and valve stem.
| Standard oil clearance |
|---|
| 0.025 to 0.060 mm (0.000984 to 0.00236 in.) |
INSTALL EXHAUST VALVE GUIDE BUSH
Using a caliper gauge, measure the bush bore diameter of the cylinder head.
| Standard Bush Bore Diameter | ||||||
|---|---|---|---|---|---|---|
|
If the bush bore diameter of the cylinder head is more than 10.306 mm (0.406 in.), machine the bush bore so that the diameter is between 10.335 and 10.356 mm (0.407 and 0.408 in.).
If the bush bore diameter of the cylinder head is more than 10.356 mm (0.408 in.), replace the cylinder head sub-assembly.
Select a new exhaust valve guide bush.
| New Valve Guide Bush | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
|||||||||
Tech Tips
Standard exhaust valve guide bush length: 43.0 to 44.0 mm (1.69 to 1.73 in.)
Heat the cylinder head sub-assembly to 80 to 100°C (176 to 212°F).
Place the cylinder head sub-assembly on wooden blocks.
| *a | Protrusion Height |
Using SST and a hammer, tap in a new valve guide bush to the specified protrusion height.
| Standard protrusion height |
|---|
| 7.6 to 8.0 mm (0.299 to 0.315 in.) |
Using a sharp 5.5 mm reamer, ream the exhaust valve guide bush to obtain the standard clearance between the exhaust valve guide bush and valve stem.
| Standard oil clearance |
|---|
| 0.030 to 0.065 mm (0.00118 to 0.00256 in.) |
INSTALL CAMSHAFT BEARING CAP SETTING RING PIN
Note
It is not necessary to remove a ring pin unless it is being replaced.
Remove the ring pins.
Using a plastic-faced hammer, tap in a new ring pin until the pin stops.
| Standard Ring Pin | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| *a | Height |
| *b | Width |
| *c | Protrusion Height |
INSTALL STUD BOLT
Note
If a stud bolt is deformed or its threads are damaged, replace it.
| *a | Cylinder Head Upper Side | *b | Intake Side |
| *c | Front Side | *d | Exhaust Side |
| *e | 21 mm (0.827 in.) | *f | 9 mm (0.354 in.) |
| *g | 34 mm (1.34 in.) | *h | 18 mm (0.709 in.) |
| *i | 13 mm (0.512 in.) | *j | 44 mm (1.73 in.) |
| *k | 20 mm (0.787 in.) | *l | 35 mm (1.38 in.) |
| *m | 14 mm (0.551 in.) | *n | 63 mm (2.48 in.) |
| *o | 12 mm (0.472 in.) | - | - |
Using E6, E7 and E8 "TORX" socket wrenches, install the stud bolts.
INSTALL NO. 1 HEAD STRAIGHT SCREW PLUG
Note
If coolant leaks from a No. 1 head straight screw plug or a plug is corroded, replace it.
Using a 10 mm hexagon wrench, install 3 new gaskets and the No. 1 head straight screw plugs.
INSTALL NO. 2 HEAD STRAIGHT SCREW PLUG
Note
If coolant leaks from the No. 2 head straight screw plug or the plug is corroded, replace it.
Using a 19 mm hexagon wrench, install a new gasket and the No. 2 head straight screw plug.
INSTALL OIL CONTROL VALVE FILTER
Check that no foreign matter is on the mesh part of the filter.
If foreign objects are present, clean the part thoroughly.
Using an 8 mm hexagon wrench, install a new gasket and the oil control valve filter with the screw plug.
INSTALL VALVE SPRING SEAT
Install the 16 valve spring seats to the cylinder head sub-assembly.
INSTALL VALVE STEM OIL SEAL
| *a | Intake Side |
| *b | Exhaust Side |
| *c | Gray |
| *d | Black |
Apply a light coat of engine oil to new valve stem oil seals.
Note
Pay attention when installing the intake and exhaust valve stem oil seals. Installing an intake valve stem oil seal to the exhaust side or installing an exhaust valve stem oil seal to the intake side can cause installation problems later.
Tech Tips
The intake valve stem oil seals are gray and the exhaust valve stem oil seals are black.
| *1 | Valve Stem Oil Seal |
Using SST, push in the 16 valve stem oil seals to install them.
Note
Failure to use SST will cause the valve stem oil seal to be damaged or improperly seated.
INSTALL INTAKE VALVE
| *a | 30 mm (1.18 in.) or more |
Apply plenty of engine oil to the tip area of the intake valve shown in the illustration.
| *a | Narrow |
| *b | Wide |
Install the intake valve, inner compression spring and valve spring retainer to the cylinder head.
Note
Install the same parts in the same combination to the original locations.
Using SST and wooden blocks, compress the inner compression spring and install the 2 valve spring retainer locks.
| *a | 5 mm Pin Punch |
Using a 5 mm pin punch and plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
Note
Do not damage the valve stem tip.
INSTALL EXHAUST VALVE
| *a | 30 mm (1.18 in.) or more |
Apply plenty of engine oil to the tip area of the exhaust valve shown in the illustration.
| *a | Narrow |
| *b | Wide |
Install the exhaust valve, inner compression spring and valve spring retainer to the cylinder head sub-assembly.
Note
Install the same parts in the same combination to the original locations.
Using SST and wooden blocks, compress the inner compression spring and install the 2 valve spring retainer locks.
| *a | 5 mm Pin Punch |
Using a 5 mm pin punch and plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
Note
Do not damage the valve stem tip.
INSTALL OIL FILTER BRACKET SUB-ASSEMBLY
Install 2 new gaskets and 2 straight screw plugs to the oil filter bracket sub-assembly.
Install 2 new O-rings, gasket and oil filter bracket with the union bolt and nut.
Note
Apply a light coat of engine oil to the new O-rings.
INSTALL OIL FILTER ELEMENT
Clean the inside of the oil filter cap, its threads and its O-ring groove.
| *1 | O-Ring |
| *a | CORRECT |
| *b | INCORRECT |
Apply a small amount of engine oil to a new O-ring and install it to the oil filter cap.
Note
Be sure to install the O-ring in the proper location, otherwise oil may leak.
Do not twist the O-ring.
Set a new oil filter element in the oil filter cap.
Remove any dirt or foreign matter from the installation surface of the engine.
Apply a small amount of engine oil to the O-ring again and temporarily install the oil filter cap.
| *1 | Oil Filter Cap |
| *2 | O-Ring |
| *3 | Oil Filter Bracket |
| *a | No Gap |
Using SST, tighten the oil filter cap.
INSTALL REAR CRANKSHAFT OIL SEAL
| *a | Wooden Block |
Place the rear engine oil seal retainer on wooden blocks.
Using SST, tap in a new rear crankshaft oil seal until its surface is flush with the rear engine oil seal retainer edge.
Note
Do not tap the rear crankshaft oil seal at an angle.
Apply a light coat of MP grease to the lip of a new rear crankshaft oil seal.
Note
Do not allow foreign matter to contact the lip of the rear crankshaft oil seal.
Do not allow MP grease to contact the dust seal.
INSTALL REAR ENGINE OIL SEAL RETAINER
| *a | Seal Packing |
Apply seal packing in a continuous bead as shown in the illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Standard seal width |
| 2.5 to 3.5 mm (0.0984 to 0.138 in.) |
Note
Remove any oil from the contact surface.
Install the crankcase within 3 minutes after applying seal packing.
Do not start the engine for at least 4 hours after installing.
Install the rear engine oil seal retainer with the 6 bolts.
Note
Wipe off any seal packing that has leaked out within 10 minutes.
INSTALL CYLINDER HEAD GASKET
Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surfaces of the cylinder head sub-assembly or cylinder block.
| *1 | Cylinder Head Gasket |
| *a | 7.0 to 9.0 mm (0.276 to 0.354 in.) |
| *b | 5.0 to 7.0 mm (0.197 to 0.276 in.) |
| *c | 3.0 to 5.0 mm (0.118 to 0.197 in.) |
| *d | 166.25 mm (6.55 in.) |
| *e | 62.25 mm (2.46 in.) |
| *f | Side View |
| *g | View A |
Apply seal packing to a new cylinder head gasket as shown in the illustration.
| Seal Packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207 B or equivalent. |
Note
Be sure to clean and degrease the contact surfaces.
Apply seal packing to the bead on the cylinder head gasket.
Install the cylinder head gasket within 3 minutes and tighten the cylinder head set bolts within 15 minutes after applying seal packing.
| *a | Lot No. |
|
Engine Front |
Place the gasket on the cylinder block surface with the lot No. stamp facing upward.
Note
Remove any oil from the contact surface.
Make sure that the cylinder head gasket is installed in the correct direction.
INSTALL CYLINDER HEAD SUB-ASSEMBLY
Tech Tips
Perform "Inspection After Repairs" after replacing the cylinder head sub-assembly Click here.
The cylinder head set bolts are tightened in 3 successive steps.
Place the cylinder head sub-assembly on the cylinder block.
Note
Make sure that no oil is on the mounting surface of the cylinder head sub-assembly.
Place the cylinder head sub-assembly on the cylinder block gently so as not to damage the gasket with the bottom part of the head.
Install the plate washers to the cylinder head set bolts.
Apply a light coat of engine oil to the threads and under the heads of the cylinder head set bolts.
Step 1:
Using several steps, install and uniformly tighten the 10 cylinder head set bolts with plate washers in the sequence shown in the illustration.
Mark the front of each cylinder head set bolt head with paint.
Step 2:
Tighten the cylinder head set bolts 90° in the sequence shown in step 1.
Step 3:
Tighten the cylinder head set bolts another 90° in the sequence shown in step 1.
Check that the paint marks are now at a 180° angle to the front.
INSTALL CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY
Tech Tips
Perform "Inspection After Repairs" after replacing the camshaft timing exhaust gear assembly Click here.
| *a | Hexagonal Portion |
Using SST, grip the hexagonal portion, and then secure the SST and No. 2 camshaft in a vise as shown in the illustration.
Note
Do not damage the No. 2 camshaft.
Never grip areas other than the hexagonal portion, as this may cause damage.
| *a | Straight Pin Hole |
| *b | Straight Pin |
Align and attach the straight pin of the No. 2 camshaft with the straight pin hole of the camshaft timing exhaust gear assembly.
| *1 | Camshaft Timing Exhaust Gear Assembly |
| *a | INCORRECT |
| *b | CORRECT |
| *c | Clearance |
| *d | Camshaft Flange |
| *e | No Clearance |
Check that there is no clearance between the camshaft timing exhaust gear assembly and camshaft flange.
Note
Be sure not to remove the other 4 bolts. If removing the bolts, exchange the camshaft timing exhaust gear assembly.
Fix the camshaft timing exhaust gear assembly with the flange bolt.
INSTALL CAMSHAFT TIMING GEAR ASSEMBLY
Tech Tips
Perform "Inspection After Repairs" after replacing the camshaft timing gear assembly Click here.
| *a | Hexagonal Portion |
Using SST, grip the hexagonal portion, and then secure the SST and camshaft in a vise as shown in the illustration.
Note
Do not damage the camshaft.
Never grip areas other than the hexagonal portion, as this may cause damage.
| *a | Straight Pin |
| *b | Straight Pin Hole |
Align the straight pin hole and straight pin and install the camshaft timing gear assembly to the camshaft.
Lightly press the gear against the camshaft and turn the gear. Push further at the position where the straight pin enters the straight pin hole.
Note
Be sure not to turn the camshaft timing gear assembly in the retard direction (the right angle).
| *1 | Camshaft Timing Gear Assembly |
| *a | INCORRECT |
| *b | CORRECT |
| *c | Clearance |
| *d | Camshaft Flange |
| *e | No Clearance |
Check that there is no clearance between the camshaft timing gear assembly and the flange of the camshaft.
Note
Since the thrust clearance of the camshaft is small, the camshaft must be kept level while it is being removed. If the camshaft is not kept level, the portion of the cylinder head receiving the shaft thrust may crack or be damaged, causing the camshaft to seize or break.
Be sure not to remove the other 3 bolts. If removing the bolts, exchange the camshaft timing gear assembly.
With the camshaft timing gear assembly fixed in place, install the flange bolt.
Check that the camshaft timing gear assembly can move in the retard direction (the right angle), and is locked at the most retarded position.
INSTALL VALVE LASH ADJUSTER ASSEMBLY
Inspect each valve lash adjuster assembly before installing it Click here.
Install the 16 valve lash adjuster assemblies to the cylinder head sub-assembly.
Note
Install each valve lash adjuster assembly to the same place it was removed from.
INSTALL VALVE STEM CAP
Apply a light coat of engine oil to the valve stem ends.
Install the 16 valve stem caps to the cylinder head sub-assembly.
Note
Do not drop the valve stem caps into the cylinder head sub-assembly.
INSTALL NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
Apply clean engine oil to the valve lash adjuster assembly tips and valve stem cap surfaces.
| *1 | No. 1 Valve Rocker Arm Sub-assembly |
| *2 | Valve Lash Adjuster Assembly |
| *3 | Valve Stem Cap |
| *a | INCORRECT |
| *b | CORRECT |
Install the 16 No. 1 valve rocker arm sub-assemblies as shown in the illustration.
Note
Install the valve stem cap, valve lash adjuster assembly and No. 1 valve rocker arm sub-assembly to the same places they were removed from.
INSTALL CAMSHAFTS
Tech Tips
Perform "Inspection After Repairs" after replacing the camshaft or No. 2 camshaft Click here.
Apply clean engine oil to the camshaft cams and cylinder head journals.
Position the camshaft and No. 2 camshaft as shown in the illustration.
| *1 | No. 1 Valve Rocker Arm Sub-assembly |
| *2 | Valve Lash Adjuster Assembly |
| *3 | Valve Stem Cap |
| *a | INCORRECT |
| *b | CORRECT |
Make sure that the No. 1 valve rocker arm sub-assemblies are installed as shown in the illustration.
INSTALL CAMSHAFT BEARING CAP
Temporarily install the No. 1 camshaft bearing cap.
Confirm the location for each No. 2 camshaft bearing cap and install each one to the proper location.
Uniformly temporarily install the 20 bolts while keeping the camshaft level.
Tighten the 20 bolts in the order shown in the illustration.
INSTALL OIL JET
Install a new gasket and oil jet with the bolt.
INSTALL CRANKSHAFT PULLEY SET KEY
Install the 2 crankshaft pulley set keys to the crankshaft.
INSTALL CRANK POSITION SENSOR ROTOR
| *1 | Crankshaft Pulley Set Key |
| *a | Front Mark |
| *b | Key Groove |
Install the crankshaft position sensor rotor with the front mark facing forward.
INSTALL NO. 1 CHAIN VIBRATION DAMPER
Install the No. 1 chain vibration damper with the 2 bolts.
INSTALL CHAIN SUB-ASSEMBLY
| *1 | Key |
| *a | Timing Mark |
| *b | Mark Plate (Yellow) |
| *c | Mark Plate (Pink) |
| *d | Approximately 13° |
| *e | Approximately 30° |
As shown in the illustration, install the chain sub-assembly to the camshaft timing exhaust gear assembly and camshaft timing gear assembly with the mark plates aligned with the timing marks on the camshaft timing exhaust gear assembly and camshaft timing gear assembly.
Tech Tips
The camshaft mark plate is yellow.
The crankshaft mark plate is pink.
Use a rope to secure the chain sub-assembly of the crankshaft timing gear or sprocket. Tie the rope near the crankshaft timing gear or sprocket.
Note
After the No. 1 chain tensioner assembly has been installed, the rope must be removed.
Tech Tips
The rope is used to prevent the chain sub-assembly from jumping a tooth.
INSTALL CHAIN TENSIONER SLIPPER
Install the chain tensioner slipper with the bolt.
INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY
Install a new gasket and the No. 1 chain tensioner assembly with the bolt and nut.
Note
Remove the hexagon wrench after installing the timing chain guide.
INSTALL TIMING CHAIN GUIDE
| *1 | O-ring |
Install a new O-ring and the timing chain guide with the 2 bolts.
CHECK NO. 1 CYLINDER TO TDC/COMPRESSION
Check that the No. 1 cylinder is set to TDC/compression.
| *1 | Key |
| *a | Timing Mark |
| *b | Approximately 13° |
| *c | Approximately 30° |
Rotate the crankshaft two full rotations, and then check that all timing marks are in the position shown in the illustration.
If the timing marks do not match, set the chain sub-assembly again.
INSTALL CYLINDER HEAD COVER CONNECTOR SUB-ASSEMBLY
Install a new No. 2 camshaft bearing cap oil hole gasket and 3 new No. 3 camshaft bearing cap oil hole gaskets to the camshaft bearing cap.
Install the cylinder head cover connector sub-assembly with the 2 bolts.
INSTALL TIMING CHAIN CASE OIL SEAL
Using SST and a hammer, tap in a new timing chain case oil seal until its surface is flush with the edge of the timing chain or belt cover sub-assembly.
Note
Keep the lip free from foreign matter.
Do not tap the timing chain case oil seal at an angle.
Apply MP grease to the lip of the timing chain case oil seal.
INSTALL ENGINE WATER PUMP ASSEMBLY
Install a new gasket and the engine water pump assembly with the 8 bolts.
INSTALL TIMING CHAIN OR BELT COVER SUB-ASSEMBLY
Remove any old packing (FIPG material) and be careful not to drop any oil on the contact surfaces of the timing chain or belt cover sub-assembly, cylinder head sub-assembly and cylinder block sub-assembly.
Install 3 new O-rings to the timing chain or belt cover sub-assembly.
Align the width of the joint portion of the oil pump drive rotor and the crankshaft timing gear, and then install the timing chain or belt cover sub-assembly.
Apply seal packing as shown in the illustration.
| *1 | Cylinder Head Sub-assembly | *2 | Cylinder Block Sub-assembly |
| *a | 2.0 mm (0.0787 in.) | *b | 2.5 mm (0.0984 in.) |
| *c | 3.0 mm (0.118 in.) | *d | 5.0 mm (0.197 in.) |
| *e | 6.0 mm (0.236 in.) | *f | 7.0 mm (0.276 in.) |
| *g | 8.0 mm (0.315 in.) or more | *h | 20 mm (0.787 in.) |
| *i | 42 mm (1.65 in.) | *j | 43 mm (1.69 in.) |
| *k | 56.5 mm (2.22 in.) | *l | 2.5 to 4.0 mm (0.0984 to 0.157 in.) |
| *m | 5.0 to 6.0 mm (0.197 to 0.236 in.) | *n | 9.0 to 13 mm (0.354 to 0.512 in.) |
| *o | 10 to 14 mm (0.394 to 0.551 in.) | *p | 12 to 16 mm (0.472 to 0.630 in.) |
| *q | Seal Packing | - | - |
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
Note
When the contact surfaces are wet, wipe them with an oil-free cloth before applying seal packing.
Install the timing chain or belt cover sub-assembly within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
Do not add the engine oil for at least 4 hours after the installation.
Do not start the engine for at least 4 hours after the installation.
Install the timing chain or belt cover sub-assembly with the 16 bolts and nut, and tighten the 16 bolts and nut in the sequence shown in the illustration.
| *a | Types of nut and bolt | *b | Tightening Order |
|
Bolt | |
Nut |
| Bolt Length | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Remove the seal packing from the 2 bolt holes for the No. 1 compressor mounting bracket.
Note
Do not use any cleaners to remove the seal packing.
INSTALL OIL STRAINER SUB-ASSEMBLY
Install the oil strainer sub-assembly with the 6 bolts, and tighten the 6 bolts in the sequence shown in the illustration.
INSTALL OIL PAN SUB-ASSEMBLY
Install the stud bolt.
| *a | 9.0 mm (0.354 in.) |
| *b | 19.0 mm (0.748 in.) |
Using an E6 "torx" socket wrench, install the stud bolts.
Remove any old packing (FIPG material) and be careful not to drop any oil on the contact surfaces of the cylinder block sub-assembly and oil pan sub-assembly.
| *a | 8.0 mm (0.315 in.) |
| *b | 6.5 mm (0.256 in.) |
| *c | Seal Packing |
Apply seal packing as shown in the illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Standard seal diameter |
|---|
| 2.0 to 3.0 mm (0.0787 to 0.118 in.) |
Note
Install the oil pan sub-assembly within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
Do not add the engine oil for at least 4 hours after the installation.
Do not start the engine for at least 4 hours after the installation.
Install a new gasket to the oil strainer sub-assembly.
Install the oil pan sub-assembly with the 16 bolts and 2 nuts, and tighten the 16 bolts and 2 nuts in the sequence shown in the illustration.
| Bolt Length | ||||||
|---|---|---|---|---|---|---|
|
|
Bolt A |
|
Bolt B |
|
Nut |
INSTALL NO. 2 OIL PAN SUB-ASSEMBLY
Remove any old packing (FIPG material) and be careful not to drop any oil on the contact surfaces of the oil pan sub-assembly and No. 2 oil pan sub-assembly.
| *a | 6.0 mm (0.236 in.) |
| *b | Seal Packing |
Apply seal packing as shown in the illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Standard seal diameter |
|---|
| 3.0 to 4.0 mm (0.118 to 0.157 in.) |
Note
Install the No. 2 oil pan sub-assembly within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
Do not add the engine oil for at least 4 hours after the installation.
Do not start the engine for at least 4 hours after the installation.
Install the No. 2 oil pan sub-assembly with the 18 bolts and 2 nuts, and tighten the 18 bolts and 2 nuts in the sequence shown in the illustration.
Install a new gasket and the oil pan drain plug.
INSTALL CRANKSHAFT PULLEY
Align the key groove of the crankshaft pulley with the crankshaft pulley set key and install the crankshaft pulley.
Using SST, hold the crankshaft pulley in place and tighten a new crankshaft pulley set bolt.
Note
Do not reuse the crankshaft pulley set bolt.
INSTALL NO. 1 VENTILATION CONNECTOR
Install the No. 1 ventilation connector to the cylinder head cover sub-assembly with the 2 bolts.
INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY
INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
for Intake Side:
Apply a light coat of engine oil to the a new O-ring, and install it to the camshaft timing oil control valve assembly.
Note
Do not damage the O-ring when installing.
Tech Tips
An O-ring is already installed in a new camshaft timing oil control valve assembly. So, the O-ring only needs to be coated with engine oil when the assembly is replaced with a new one.
Install the camshaft timing oil control valve assembly to the cylinder head sub-assembly with the bolt.
Note
Replace with a new part if it is dropped or if it receives a strong impact.
Make sure that the O-ring is not cracked or jammed when installing.
Connect the camshaft timing oil control valve connector.
for Exhaust Side:
Apply a light coat of engine oil to the a new O-ring, and install it to the camshaft timing oil control valve assembly.
Note
Do not damage the O-ring when installing.
Tech Tips
An O-ring is already installed in a new camshaft timing oil control valve assembly. So, the O-ring only needs to be coated with engine oil when the assembly is replaced with a new one.
Install the camshaft timing oil control valve assembly to the cylinder head cover sub-assembly with the bolt.
Note
Replace with a new part if it is dropped or if it receives a strong impact.
Make sure that the O-ring is not cracked or jammed when installing.
Connect the camshaft timing oil control valve connector.
INSTALL CRANKSHAFT POSITION SENSOR
Apply a light coat of engine oil to the O-ring of the crankshaft position sensor.
Install the crankshaft position sensor with the bolt.
Note
When reusing the crankshaft position sensor, inspect the O-ring.
Make sure that the O-ring is not cracked or jammed when installing the crankshaft position sensor.
Connect the crankshaft position sensor connector and attach the 2 wire harness clamps.
INSTALL CAMSHAFT POSITION SENSOR
for Intake Side:
Apply a light coat of engine oil to the O-ring of the camshaft position sensor.
Install the camshaft position sensor with the bolt.
Note
When reusing the camshaft position sensor, inspect the O-ring.
Make sure that the O-ring is not cracked or jammed when installing the camshaft position sensor.
Connect the camshaft position sensor connector.
for Exhaust Side:
Apply a light coat of engine oil to the O-ring of the camshaft position sensor.
Install the camshaft position sensor with the bolt.
Note
When reusing the camshaft position sensor, inspect the O-ring.
Make sure that the O-ring is not cracked or jammed when installing the camshaft position sensor.
Connect the camshaft position sensor connector.
INSTALL PCV VALVE SUB-ASSEMBLY
| *1 | O-Ring |
Apply a light coat of engine oil to the O-ring.
Install the PCV valve sub-assembly.
Tech Tips
When reusing the PCV valve sub-assembly, inspect the O-ring.
If the O-ring has scratches or cuts, replace the PCV valve sub-assembly.
Connect the PCV hose to the PCV valve sub-assembly, and slide the clamp to secure the hose.
INSTALL OIL FILLER CAP SUB-ASSEMBLY