INSTALL NO. 3 CAMSHAFT
Apply a light coat of engine oil to the No. 3 camshaft journals and camshaft housing sub-assembly LH.
Install the No. 3 camshaft to the camshaft housing sub-assembly LH.
INSTALL NO. 4 CAMSHAFT
Apply a light coat of engine oil to the No. 4 camshaft journals and camshaft housing sub-assembly LH.
Install the No. 4 camshaft to the camshaft housing sub-assembly LH.
INSTALL CAMSHAFT BEARING CAP (for Bank 2)
Apply engine oil to the camshaft bearing caps.
Make sure of the marks and numbers on the camshaft bearing caps and place them in each proper position and direction.
Temporarily tighten the 8 bolts in the order shown in the illustration.
INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY LH
Make sure that the valve rocker arm is installed as shown in the illustration.
Apply seal packing in a continuous line as shown in the illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Seal diameter |
|---|
| 3.5 to 4.5 mm (0.138 to 0.177 in.) |
Note
Remove any oil from the contact surface.
Install the camshaft housing sub-assembly LH within 3 minutes.
Do not start the engine for at least 2 hours after installing.
Install the camshaft housing sub-assembly LH and tighten the 13 bolts in the order shown in the illustration.
Note
When installing the camshaft housing sub-assembly LH, it is necessary to correctly position the camshafts as shown in the illustration. Failure to correctly position these parts may result in damage due to contact between the pistons and valves. If a camshaft is rotated with a piston at TDC, valve contact will occur.
If any of the bolts are loosened during installation, remove the camshaft housing sub-assembly LH, clean the installation surfaces, and reapply seal packing.
If the camshaft housing sub-assembly LH is removed because any of the bolts are loosened during installation, make sure that the previously applied seal packing does not enter any oil passages.
Tighten the 8 bolts in the order shown in the illustration.
INSTALL CAMSHAFT
Apply a light coat of engine oil to the camshaft journals and camshaft housing sub-assembly RH.
Install the camshaft to the camshaft housing sub-assembly RH.
INSTALL NO. 2 CAMSHAFT
Apply a light coat of engine oil to the No. 2 camshaft journals and camshaft housing sub-assembly RH.
Install the No. 2 camshaft to the camshaft housing sub-assembly RH.
INSTALL CAMSHAFT BEARING CAP (for Bank 1)
Apply engine oil to the camshaft bearing caps.
Make sure of the marks and numbers on the camshaft bearing caps and place them in each proper position and direction.
Temporarily tighten the 8 bearing cap bolts in the order shown in the illustration.
INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY RH
Make sure that the No. 1 valve rocker arm sub-assembly is installed as shown in the illustration.
Apply seal packing in a continuous line as shown in the illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Seal diameter |
|---|
| 3.5 to 4.5 mm (0.138 to 0.177 in.) |
Note
Remove any oil from the contact surface.
Install the camshaft housing sub-assembly RH within 3 minutes.
Do not start the engine for at least 2 hours after installing.
Install the camshaft housing sub-assembly RH and tighten the 12 bolts in the order shown in the illustration.
Note
When installing the camshaft housing RH, it is necessary to correctly position the camshafts as shown in the illustration.
Failure to correctly position these parts may result in damage due to contact between the pistons and valves. If a camshaft is rotated with a piston at TDC, valve contact will occur.
If any of the bolts are loosened during installation, remove the camshaft housing sub-assembly RH, clean the installation surfaces, and reapply seal packing.
If the camshaft housing sub-assembly RH is removed because any of the bolts are loosened during installation, make sure that the previously applied seal packing does not enter any oil passages.
Tighten the 8 bolts in the order shown in the illustration.
INSTALL NO. 3 CHAIN TENSIONER ASSEMBLY
Install the No. 3 chain tensioner assembly with the bolt.
While pushing in the tensioner, insert a pin of 1.0 mm (0.0394 in.) diameter into the hole to hold it.
INSTALL CAMSHAFT TIMING GEARS AND NO. 2 CHAIN (for Bank 2)
Align the mark plates (yellow) with the timing marks of the camshaft timing gear assemblies as shown in the illustration.
Apply a light coat of engine oil to the bolt threads and bolt-seating surface.
Align the knock pin of the camshaft with the pin hole of the camshaft timing gear assembly. Install the camshaft timing gear assembly and camshaft timing exhaust gear LH with the No. 2 chain sub-assembly installed.
Using SST to hold the hexagonal portion of each camshaft, tighten the bolts of the camshaft timing gear assembly and the camshaft timing exhaust gear assembly.
Remove the pin from the No. 3 chain tensioner assembly.
INSTALL NO. 2 CHAIN TENSIONER ASSEMBLY
Install the No. 2 chain tensioner assembly with the bolt.
While pushing in the No. 2 chain tensioner assembly, insert a pin of 1.0 mm (0.0394 in.) diameter into the hole to hold it.
INSTALL CAMSHAFT TIMING GEARS AND NO. 2 CHAIN (for Bank 1)
Align the mark plates (yellow) with the timing marks of the camshaft timing gear assemblies as shown in the illustration.
Apply a light coat of engine oil to the bolt threads and bolt-seating surface.
Align the knock pin of the camshaft with the pin hole of the camshaft timing gear assembly. install the camshaft timing gear assembly and camshaft timing exhaust gear assembly with the No. 2 chain sub-assembly installed.
Using SST to hold the hexagonal portion of each camshaft, tighten the bolts of the camshaft timing gear assembly and the camshaft timing exhaust gear assembly.
Remove the pin from the No. 2 chain tensioner assembly.
INSTALL IDLE SPROCKET ASSEMBLY
| *a | Knock Pin |
Apply a light coat of engine oil to the rotating surface of the No. 1 idle gear shaft.
Temporarily install the No. 1 idle gear shaft and idle sprocket assembly with the No. 2 idle gear shaft while aligning the knock pin of the No. 1 idle gear shaft with the knock pin groove of the cylinder block sub-assembly.
Note
Be careful of the idle gear installation position.
Tech Tips
Check that no foreign matter is on the No. 1 and No. 2 idle gear shafts.
Using a 10 mm hexagon wrench, tighten the No. 2 idle gear shaft.
Tech Tips
After installing the idle sprocket assembly, check that the idle sprocket assembly turns smoothly.
INSTALL CHAIN SUB-ASSEMBLY
| *a | Timing Mark |
| *b | Mark Plate |
Align the mark plates and timing marks as shown in the illustration and install the chain sub-assembly.
Tech Tips
The camshaft mark plates are orange.
Do not pass the chain sub-assembly over the crankshaft, just temporarily place it on the crankshaft.
Turn the camshaft timing gear assembly on bank 1 counterclockwise to tighten the chain sub-assembly between the banks.
Note
When the idle sprocket assembly is reused, align the chain plate with the mark where the plate had been in order to tighten the chain sub-assembly between the banks.
| *a | Mark Plate |
| *b | Timing Mark |
Align the mark plate and timing marks as shown in the illustration and install the chain sub-assembly onto the crankshaft timing sprocket.
Tech Tips
The crankshaft mark plate is yellow.
Temporarily tighten the pulley set bolt.
| *a | Center Line |
| *b | Timing Mark |
| *c | Sensor Plate |
Turn the crankshaft clockwise to set it to the RH block bore center line (TDC/compression).
INSTALL CHAIN TENSIONER SLIPPER
Install the chain tensioner slipper.
INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY
| *a | Stopper Plate |
| *b | Plunger |
Move the stopper plate upward to release the lock, and push the plunger deep into the No. 1 chain tensioner assembly.
Move the stopper plate downward to set the lock, and insert a hexagon wrench into the hole of the stopper plate.
Install the No. 1 chain tensioner assembly with the 2 bolts.
Remove the hexagon wrench from the No. 1 chain tensioner assembly.
INSPECT VALVE TIMING
Check the camshaft timing marks.
Note
Check each timing mark from a viewpoint directly in line with the center of the camshaft and the timing mark on each camshaft timing gear assembly.
If the timing marks are checked from any other viewpoint, the valve timing may appear misaligned.
Check that each camshaft timing mark is positioned as shown in the illustration.
| *a | Timing Mark | - | - |
Tech Tips
For the intake camshaft:
Be sure to check mark (A) at the point when marks (B), (C), and (D) are positioned in line. If the marks are checked from any other viewpoint, they cannot be checked correctly.
If the valve timing is misaligned, reinstall the timing chain.
Remove the pulley set bolt.
INSTALL TIMING CHAIN CASE OIL SEAL
Using SST, tap in a new oil seal until its surface is flush with the timing chain case edge.
Note
Keep the lip free from foreign matter.
Do not tap on the oil seal at an angle.
Make sure that the oil seal edge does not stick out of the timing chain case.
INSTALL TIMING CHAIN COVER SUB-ASSEMBLY
Apply seal packing in a continuous line to the engine unit as shown in the following illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Seal diameter |
|---|
| 3.0 mm (0.118 in.) |
Note
Be sure to clean and degrease the contact surfaces, especially the surfaces indicated by C in the illustration.
When the contact surfaces are wet, wipe them with an oil-free cloth before applying seal packing.
Install the chain cover within 3 minutes.
Do not start the engine for at least 2 hours after installing.
Apply seal packing in a continuous line to the timing chain cover as shown in the following illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Toyota Genuine Seal Packing 1282B, Three Bond 1282B or equivalent |
Note
When the contact surfaces are wet, wipe them with an oil-free cloth before applying seal packing.
Install the chain cover within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
Do not start the engine for at least 2 hours after installing it.
| Seal Packing Chart | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Install a new gasket.
Align the oil pump drive rotor spline and the crankshaft as shown in the illustration. Install the spline and chain cover to the crankshaft.
Type X:
Temporarily tighten the timing chain cover with the 23 bolts and 2 nuts.
| Item | Length |
|---|---|
| Bolt A | 40 mm (1.57 in.) |
| Bolt B | 55 mm (2.17 in.) |
| Bolt C | 25 mm (0.984 in.) |
Note
Make sure that there is no oil on the bolt threads.
Type Y:
Temporarily tighten the timing chain cover with the 23 bolts and 2 nuts.
| Item | Length |
|---|---|
| Bolt A | 40 mm (1.57 in.) |
| Bolt B | 55 mm (2.17 in.) |
| Bolt C | 28 mm (1.102 in.) |
Note
Make sure that there is no oil on the bolt threads.
Fully tighten the bolts in Area 1 and Area 2.
Fully tighten the bolts and nuts in Area 3.
Tech Tips
Tighten the bolts and nuts from top to bottom as shown in the illustration.
Fully tighten the bolts in Area 4.
Tech Tips
Tighten the bolts from bottom to top as shown in the illustration.
INSTALL WATER INLET HOUSING
Install 2 new O-rings.
Tech Tips
Apply a small amount of water or soapy water to O-ring (A) shown in the illustration before installation.
Install the 2 stud bolts.
| *1 | Drain Cock Plug |
| *2 | Drain Cock Assembly |
| *a | Bolt |
| *b | Nut |
Install the water inlet housing with the 2 bolts and nut.
Note
Be careful that the O-ring does not get caught between the parts.
Connect the No. 1 water by-pass hose to the water inlet housing.
Apply adhesive around the drain cock assembly.
| Adhesive |
|---|
| Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent |
Install the drain cock assembly to the water inlet housing.
Install the drain cock plug to the drain cock assembly.
Install a new gasket to the thermostat.
Align the thermostat jiggle valve with the upper stud bolt, and insert the thermostat in the water inlet housing.
Tech Tips
The jiggle valve may be set within 10° of either side of the prescribed position.
Install the water inlet with the 2 nuts.
INSTALL NO. 1 FRONT ENGINE MOUNTING BRACKET LH
Using an E8 "TORX" socket wrench, install the 2 stud bolts.
Using an 8 mm socket wrench, install the 2 stud bolts.
Install the No. 1 front engine mounting bracket LH with the 6 bolts.
Note
Install the water inlet and No. 1 front engine mounting bracket LH within 15 minutes after installing the timing chain cover assembly.
Do not start the engine for at least 2 hours after installation.
INSTALL OIL PAN SUB-ASSEMBLY
Using an E8 "TORX" socket wrench, install the 2 stud bolts.
Install 2 new O-rings.
Apply seal packing in a continuous line as shown in the illustration.
| Seal Packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Seal Diameter |
|---|
| 3.0 to 4.0 mm (0.118 to 0.157 in.) |
Note
Remove any oil from the contact surfaces.
Install the oil pan sub-assembly within 3 minutes after applying seal packing.
Do not start the engine for at least 2 hours after installing.
| *a | Nut |
Install the oil pan sub-assembly with the 16 bolts and 2 nuts.
INSTALL OIL STRAINER SUB-ASSEMBLY
Using an E6 "TORX" socket wrench, install the 2 stud bolts as shown in the illustration.
| *a | Bolt |
| *b | Nut |
Install a new gasket and the oil strainer sub-assembly with the bolt and 2 nuts.
INSTALL NO. 2 OIL PAN SUB-ASSEMBLY
Using an E6 "TORX" socket wrench, install the 2 stud bolts as shown in the illustration.
Apply seal packing in a continuous line as shown in the illustration.
| Seal Packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Seal Diameter |
|---|
| 3.0 to 4.0 mm (0.118 to 0.157 in.) |
Note
Remove any oil from the contact surface.
Install the No. 2 oil pan sub-assembly within 3 minutes after applying seal packing.
Do not start the engine for at least 2 hours after installing.
| *a | Nut |
Install the No. 2 oil pan sub-assembly with the 16 bolts and 2 nuts.
INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY (for Bank 1)
Apply seal packing as shown in the illustration.
| Seal Packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
Note
Remove any oil from the contact surface.
Install the cylinder head cover sub-assembly within 3 minutes after applying seal packing.
Do not start the engine for at least 2 hours after installation.
Install 3 new gaskets shown in the illustration.
Install a new cylinder head cover gasket to the cylinder head cover sub-assembly.
Install the cylinder head cover sub-assembly with the 12 bolts and a new seal washer.
Tech Tips
After tightening all bolts, check the tightening torque of 1 and 11. Retighten the bolt if necessary.
INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY (for Bank 2)
Apply seal packing as shown in the illustration.
| Seal Packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
Note
Remove any oil from the contact surfaces.
Install the cylinder head cover sub-assembly within 3 minutes after applying seal packing.
Do not start the engine for at least 2 hours after installing.
Install 3 new gaskets as shown in the illustration.
Install a new cylinder head cover gasket to the cylinder head cover sub-assembly.
Install the cylinder head cover sub-assembly with the 12 bolts and a new seal washer.
Tech Tips
After tightening all bolts, check the tightening torque of 1 and 11. Retighten the bolt if necessary.
INSTALL CRANKSHAFT PULLEY
Align the pulley set key with the key groove of the pulley, and slide on the pulley.
Using SST, install the pulley bolt.
INSTALL NO. 1 OIL PIPE
Make sure that there is no foreign matter on the mesh of the oil control valve filter LH.
Note
Do not touch the mesh when installing the oil control valve filter.
| *a | Oil Pipe Union |
Install a new gasket and temporarily install the oil pipe (on the cylinder head sub-assembly side) with the oil check valve bolt.
Install the oil control valve filter LH to the oil pipe union. Install new gaskets and temporarily install the oil pipe (on the cylinder head cover sub-assembly side).
Tighten the oil pipe union (on the cylinder head cover sub-assembly side).
Note
If the link that connects the gaskets is broken, remove the connecting link by using side cutters or a similar tool.
Tighten the oil pipe union (on the cylinder head cover sub-assembly side).
INSTALL OIL PIPE
Make sure that there is no foreign matter on the mesh of the oil control valve filter RH.
Note
Do not touch the mesh when installing the oil control valve filter RH.
| *a | Oil Check Valve Bolt |
Install a new gasket and temporarily install the oil pipe (on the cylinder head sub-assembly side) with the oil check valve bolt.
Install the oil control valve filter RH to the oil pipe union. Install new gaskets and temporarily install the oil pipe (on the cylinder head cover sub-assembly side).
Tighten the oil pipe union (on the cylinder head cover sub-assembly side).
Note
If the link that connects the gaskets is broken, remove the connecting link by using side cutters or a similar tool.
Tighten the oil pipe union (on the cylinder head sub-assembly side).
Install the bolt (A) to the cylinder head sub-assembly.
INSTALL CRANKSHAFT POSITION SENSOR
Apply a light coat of engine oil to the O-ring on the crank position sensor.
Install the crank position sensor with the bolt.
Connect the crank position sensor connector.
INSTALL NO. 1 VACUUM SWITCHING VALVE ASSEMBLY
Install the bolt and No. 1 vacuum switching valve.
INSTALL RADIO SETTING CONDENSER
Install the 2 bolts and 2 radio setting condensers.
INSTALL WATER PUMP PULLEY
Temporarily install the water pump pulley with the 4 bolts.
Using SST, hold the water pump pulley.
Tighten the 4 bolts.
INSTALL NO. 2 IDLER PULLEY SUB-ASSEMBLY
Install the idler pulley cover plate, No. 2 idler pulley sub-assembly and No. 2 idler pulley cover plate with the bolt.
INSTALL NO. 2 TIMING GEAR COVER
Install the No. 2 timing gear cover with the 2 bolts.
INSTALL V-RIBBED BELT TENSIONER ASSEMBLY
Temporarily install the V-ribbed belt tensioner assembly with the 5 bolts.
Tech Tips
Each bolt length is as follows:
A: 70 mm (2.76 in.)
B: 33 mm (1.30 in.)
Install the V-ribbed belt tensioner assembly by tightening the bolt 1 and bolt 2 in the order shown in the illustration.
Tighten the other bolts.
INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY LH
Install a new gasket as shown in the illustration.
Install the exhaust manifold sub-assembly LH with the 6 nuts in the order shown in the illustration.
INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
Install the No. 2 exhaust manifold heat insulator with the 3 bolts.
INSTALL NO. 2 MANIFOLD STAY
Install the No. 2 manifold stay by tightening the bolt and nut in the order shown in the illustration.
INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE
Apply a light coat of engine oil to a new O-ring and install it to the engine oil level dipstick guide.
Install the engine oil level dipstick guide with the bolt.
INSTALL NO. 2 ENGINE OIL LEVEL DIPSTICK GUIDE
Install a new O-ring to the No. 2 engine oil level dipstick guide.
Apply a light coat of engine oil to the O-ring.
Push in the No. 2 engine oil level dipstick guide end into the No. 1 engine oil level dipstick guide.
Install the No. 2 engine oil level dipstick guide with the bolt.
Install the engine oil level dipstick.
INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY RH
Install a new gasket as shown in the illustration.
Install the exhaust manifold sub-assembly RH with the 6 nuts in the order shown in the illustration.
INSTALL INTAKE MANIFOLD
Note
DO NOT apply oil to the bolts listed below:
| Tightening Part | ||
|---|---|---|
| Intake Manifold and Cylinder Head Sub-assembly RH | ||
| Intake Manifold and Cylinder Head Sub-assembly LH |
Set a new gasket on each cylinder head.
Note
Align the port holes of the gasket and cylinder head.
Make sure that the gasket is installed in the correct direction.
Set the intake manifold on the cylinder heads.
Install and tighten the 6 bolts and 4 nuts uniformly in several steps.
INSTALL NO. 2 ENGINE MOUNTING STAY RH
Install the No. 2 mounting stay RH with the bolt.
INSTALL IGNITION COIL ASSEMBLY
Install the 6 ignition coils with the 6 bolts.
Connect the 6 ignition coil connectors.
Connect the 3 wire harness clamps.
INSTALL THROTTLE BODY BRACKET
Install the throttle body bracket with the bolt.
INSTALL NO. 1 SURGE TANK STAY
Install the No. 1 surge tank stay with the bolt.
INSTALL INTAKE AIR SURGE TANK ASSEMBLY
| NOTICE | ||||
|---|---|---|---|---|
| DO NOT apply oil to the bolts listed below: | ||||
|
Install 3 new air surge tank to intake manifold gaskets to the intake air surge tank.
Using a 5 mm hexagon socket wrench, install the intake air surge tank assembly with the 4 bolts and 2 nuts.
Install the throttle body bracket and No. 1 surge tank stay with the 2 bolts.
Connect the connector to the intake air control valve assembly.
Connect the 2 water by-pass hoses to the throttle body assembly.
Connect the fuel vapor feed hose to the intake air surge tank assembly.
Connect the throttle body assembly connector and wire harness clamp to the throttle body assembly.
Connect the ventilation hose.
Connect the union to connector tube hose.
INSTALL ENGINE HANGER
Install the 2 engine hangers with the 4 bolts as shown in the illustration.
| Part No. |
|---|
| No. 1 Engine hanger 12281-31120 |
| No. 2 Engine hanger 12282-31100 |
| Bolts 91671-10825 |
Attach the engine sling device and hang the engine with the chain block.
REMOVE ENGINE FROM ENGINE STAND
INSTALL DRIVE PLATE AND RING GEAR SUB-ASSEMBLY
Using SST, hold the crankshaft pulley.
Clean the 8 bolts and 8 bolt holes.
Install the front drive plate spacer.
Tech Tips
Align the pin of the front drive spacer with the pin hole of the crankshaft.
Install the drive plate and ring gear sub-assembly and rear drive plate spacer onto the crankshaft.
Apply adhesive to 2 or 3 threads of the 8 bolts.
| Adhesive |
|---|
| Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent |
In several steps, uniformly install and tighten the 8 bolts in the sequence shown in the illustration.
INSTALL AUTOMATIC TRANSAXLE ASSEMBLY
Tech Tips
See the steps from "Install Automatic Transaxle Assembly" through "Install Engine Assembly with Transaxle" Click here.