ENGINE UNIT REASSEMBLY
PROCEDURE
INSTALL STIFFENING CRANKCASE RING PIN
*1
Protrusion Height
*2
Width
*3
Height
Note:It is not necessary to remove a ring pin unless it is being replaced.
Using a plastic-faced hammer, tap in 2 new ring pins until they stop.
Standard Ring Pin
Protrusion Height
Height
Width
3.0 mm (0.118 in.)
11 mm (0.433 in.)
8.0 mm (0.315 in.)
Tip:The amount of protrusion may vary, but 3.0 mm (0.118 in.) is typical.
INSTALL STUD BOLT
Note:If a stud bolt is deformed or the threads are damaged, replace it.
-
*a
23 mm (0.906 in.)
*b
9.0 mm (0.354 in.)
Using an E6 "TORX" socket wrench, install the stud bolts as shown in the illustration.
5.0 N*m
51 kgf*cm
44 in.*lbf
-
*a
21 mm (0.827 in.)
*b
9.0 mm (0.354 in.)
*c
34 mm (1.34 in.)
Using an E6 "TORX" socket wrench, install the stud bolts as shown in the illustration.
5.0 N*m
51 kgf*cm
44 in.*lbf
-
*a
12 mm (0.472 in.)
*b
9.0 mm (0.354 in.)
*c
23 mm (0.906 in.)
Using an E5 "TORX" socket wrench, install the stud bolts as shown in the illustration.
5.0 N*m
51 kgf*cm
44 in.*lbf
-
INSTALL STIFFENING CRANKCASE ASSEMBLY
-
*1
Seal Packing
Apply seal packing in a continuous line as shown in the illustration.
Seal packing
Toyota Genuine Seal Packing Black, Three bond 1207B or equivalent
Standard Seal Diameter
Area
Specified Condition
except Area A
2.0 to 3.0 mm (0.0787 to 0.118 in.)
for Area A
4.5 to 5.5 mm (0.177 to 0.217 in.)
Application Length A
56 mm (2.20 in.)
Note:Remove any oil from the contact surfaces.
Install the crankcase 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 the stiffening crankcase assembly.
-
Install the stiffening crankcase with the 11 bolts in the sequence shown in the illustration.
21 N*m
214 kgf*cm
15 ft.*lbf
Bolt Length
Item
Specified Condition
Bolt A
138 mm (5.43 in.)
Bolt B
35 mm (1.38 in.)
Bolt C
70 mm (2.76 in.)
Recheck the torque for bolts 1 and 2.
21 N*m
214 kgf*cm
15 ft.*lbf
Wipe off any excess seal packing with a clean piece of cloth.
-
INSTALL OIL PUMP ASSEMBLY
INSTALL NO. 2 OIL PAN SUB-ASSEMBLY
INSTALL OIL PAN DRAIN PLUG
Install a new gasket and the oil pan drain plug.
37 N*m
377 kgf*cm
27 ft.*lbf
INSTALL ENGINE REAR OIL SEAL
INSTALL NO. 1 TAPER SCREW PLUG
Clean the No. 1 taper screw plug and plug hole.
Apply adhesive to 2 or 3 threads of the No. 1 taper screw plug. Then install the No. 1 taper screw plug.
Adhesive
Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent
25 N*m
255 kgf*cm
18 ft.*lbf
Note:Install the plug within 3 minutes of applying adhesive.
Do not start the engine within 1 hour of installing the plug.
INSTALL PCV VALVE SUB-ASSEMBLY
INSTALL CYLINDER HEAD GASKET
INSTALL CYLINDER HEAD SUB-ASSEMBLY
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.
Note:Do not drop the valve stem caps into the cylinder head.
INSTALL VALVE LASH ADJUSTER ASSEMBLY
Inspect each valve lash adjuster before installing it.
Install the 16 valve lash adjuster assemblies to the cylinder head.
Note:Install the valve lash adjuster to the same place it was removed from.
INSTALL NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
-
*1
Valve Rocker Arm
*2
Lash Adjuster
*3
Valve Stem
*4
Valve Stem Cap
Apply engine oil to the valve lash adjuster tips and valve stem cap ends.
Make sure that the No. 1 valve rocker arm assemblies are installed as shown in the illustration.
-
INSTALL CAMSHAFT HOUSING STRAIGHT PIN
*1
Protrusion Height
*2
Height
*3
Width
Note:It is not necessary to remove a straight pin unless it is being replaced.
Using a plastic-faced hammer, tap in a new straight pin to the specified protrusion height.
Standard Straight Pin
Protrusion Height
Height
Width
6.5 to 7.5 mm (0.256 to 0.295 in.)
14 mm (0.551 in.)
6.0 mm (0.236 in.)
INSTALL NO. 1 CAMSHAFT BEARING
INSTALL OIL CONTROL VALVE FILTER
Check that no foreign matter is on the mesh part of the oil control valve filter.
Install the oil control valve filter.
Note:Do not touch the mesh when installing the oil control valve filter.
INSTALL NO. 2 CAMSHAFT BEARING
INSTALL NO. 2 CAMSHAFT
INSTALL CAMSHAFT
INSTALL CAMSHAFT BEARING CAP
INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY
INSTALL CAMSHAFT TIMING GEAR ASSEMBLY
INSTALL CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY
INSTALL CRANKSHAFT TIMING GEAR KEY
-
Using a plastic-faced hammer, tap in the 2 crankshaft timing gear keys.
Tip:Tap in the crankshaft timing gear keys until they contact the crankshaft as shown in the illustration.
-
INSTALL NO. 1 CRANKSHAFT POSITION SENSOR PLATE
-
Install the sensor plate with the "F" mark facing forward.
-
INSTALL NO. 2 CHAIN SUB-ASSEMBLY
INSTALL CRANKSHAFT TIMING SPROCKET
INSTALL NO. 1 CHAIN VIBRATION DAMPER
Install the No. 1 chain vibration damper with the 2 bolts.
21 N*m
214 kgf*cm
15 ft.*lbf
INSTALL NO. 2 CHAIN VIBRATION DAMPER
SET NO. 1 CYLINDER TO TDC/COMPRESSION
Temporarily install the crankshaft pulley bolt.
-
*1
Timing Gear Key
Turn the crankshaft counterclockwise to position the timing gear key at the top.
-
*1
Timing Mark
Check that the timing marks on the camshaft timing gear and camshaft timing exhaust gear assembly are aligned as shown in the illustration.
Remove the crankshaft pulley bolt.
INSTALL CHAIN SUB-ASSEMBLY
-
*1
Mark Plate (Orange)
*2
Timing Mark
*a
Place the Chain on the Sprocket
*b
Pass the Chain through the Damper
Align the mark plate (orange) with the timing mark as shown in the illustration and install the chain sub-assembly.
Tip:Be sure to position the mark plate at the front of the engine.
The mark plate on the camshaft side is colored orange.
Do not engage the chain with the sprocket of the camshaft timing gear. Only place it on the camshaft timing gear.
Pass the chain through the No. 1 vibration damper.
-
Place the chain on the crankshaft without passing it around the shaft.
Hold the hexagonal portion of the camshaft with a wrench and turn the camshaft timing gear counterclockwise to align the mark plates (orange) and timing mark, and then install the chain sub-assembly.
*1
Mark Plate (Orange)
*2
Timing Mark
*a
Apply Tension to the Chain
*b
Turn
Tip:To apply tension to the chain, slowly turn the camshaft timing gear assembly and camshaft timing exhaust gear assembly clockwise to prevent the chain sub-assembly from being misaligned.
-
*1
Timing Mark
*2
Mark Plate (Yellow)
Align the mark plate (yellow) and timing marks and install the chain sub-assembly to the crankshaft timing sprocket.
-
INSTALL CHAIN TENSIONER SLIPPER
CHECK NO. 1 CYLINDER TO TDC/COMPRESSION
Check each timing mark with the No. 1 cylinder at TDC/compression.
*1
Timing Mark
*2
Mark Plate (Orange)
*3
Mark Plate (Yellow)
-
-
INSTALL NO. 1 GENERATOR BRACKET
Install the No. 1 generator bracket with the 4 bolts.
24 N*m
245 kgf*cm
18 ft.*lbf
INSTALL WATER INLET HOUSING
Install a new gasket and the water inlet housing with the 3 bolts.
21 N*m
214 kgf*cm
15 ft.*lbf
INSTALL TIMING CHAIN COVER SUB-ASSEMBLY
INSTALL TIMING CHAIN COVER OIL SEAL
INSTALL ENGINE MOUNTING BRACKET STUD BOLT
Note:If a stud bolt is deformed or the threads are damaged, replace it.
Install the stud bolt.
10 N*m
102 kgf*cm
7 ft.*lbf
INSTALL CRANKSHAFT PULLEY
INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY
-
*1
Cam
*2
Hook
*3
Pin
*a
CORRECT
*b
INCORRECT
*c
Push
*d
Raise
Release the ratchet pawl. Then fully push in the plunger and attach the hook to the pin so that the plunger is in the position shown in the illustration.
Note:Make sure that the cam engages with the first tooth of the plunger to allow the hook to pass over the pin.
-
Install a new gasket, the bracket and the No. 1 chain tensioner with the 2 nuts.
12 N*m
122 kgf*cm
9 ft.*lbf
Note:If the hook becomes detached from the plunger while the chain tensioner is being installed, attach the hook again.
-
*1
Pin
*2
Hook
*a
Release
*b
Turn
Turn the crankshaft counterclockwise slightly and check that the hook is released.
-
*1
Plunger
*a
Plunger Extended
*b
Turn
Turn the crankshaft clockwise and check that the plunger is extended.
-
INSTALL OIL FILTER CAP ASSEMBLY
INSTALL SPARK PLUG TUBE GASKET
-
*a
Before Cutting
*b
After Cutting

Area to be Cut Off
Using a cutter knife, cut off the seal part of the removed spark plug tube gasket.
-
*1
Spark Plug Tube Gasket without Sealing Part
*2
New Plug Plug Tube Gasket
*3
Claw
Using a hammer and the removed spark plug tube gasket which has had the sealing part cut off, uniformly tap in a new spark plug tube gasket all the way.
Note:Keep the lip free of foreign matter.
Do not tap in the spark plug tube gasket at an angle.
Tip:If a spark plug tube gasket that will be used to install a new spark plug tube gasket is deformed and cannot be positioned on a new spark plug tube gasket, correct the deformation using pliers.
Return the claws of the ventilation baffle plate to their original positions.
-
INSTALL CYLINDER HEAD COVER GASKET
Install a new cylinder head cover gasket to the cylinder head cover.
Note:Remove any oil from the contact surfaces.
INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY
Install 3 new gaskets to the camshaft bearing cap.
-
Apply seal packing as shown in the illustration.
Seal packing
Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
Standard diameter
4.0 mm (0.157 in.)
Note:Remove any oil from the contact surfaces.
Install the cylinder head cover sub-assembly within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
Install the cylinder head cover with a new seal washer and the 13 bolts.
10 N*m
102 kgf*cm
7 ft.*lbf
Note:Do not start the engine for at least 2 hours after the installation.
INSTALL ENGINE OIL PRESSURE SWITCH ASSEMBLY
INSTALL ENGINE COOLANT TEMPERATURE SENSOR
INSTALL KNOCK SENSOR
INSTALL CRANKSHAFT POSITION SENSOR
INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Intake Side)
INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Exhaust Side)
INSTALL CAMSHAFT POSITION SENSOR (for Intake Side)
INSTALL CAMSHAFT POSITION SENSOR (for Exhaust Side)
INSTALL SPARK PLUG
INSTALL ENGINE COVER JOINT
Install the 2 engine cover joints.
10 N*m
102 kgf*cm
7 ft.*lbf
INSTALL OIL FILLER CAP GASKET
Install the gasket to the oil filler cap.
INSTALL OIL FILLER CAP SUB-ASSEMBLY
Install the oil filler cap sub-assembly.