CAUTION / NOTICE / HINT
Tech Tips
Perform "Inspection After Repair" after replacing the camshaft, No. 2 camshaft, camshaft timing gear assembly or camshaft timing exhaust gear assembly.
PROCEDURE
SET NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
| *1 | No. 1 Valve Rocker Arm Sub-assembly |
| *2 | Valve Lash Adjuster Assembly |
| *3 | Valve Stem Cap |
| *a | Correct |
| *b | Incorrect |
Make sure that the No. 1 valve rocker arm sub-assemblies are installed as shown in the illustration.
INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY
| *a | 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 |
| Seal Packing Diameter |
|---|
| 3.5 to 4.0 mm (0.138 to 0.157 in.) |
Note
Remove any oil from the contact surface.
Install the camshaft housing sub-assembly within 3 minutes and tighten the bolts within 15 minutes of applying seal packing.
Do not start the engine for at least 2 hours after installation.
Set the camshaft housing sub-assembly to the cylinder head sub-assembly.
Tighten the 4 bolts in the order shown in the illustration.
INSTALL OIL CONTROL VALVE FILTER
INSTALL NO. 2 CAMSHAFT
Clean the No. 2 camshaft journals.
Apply a light coat of engine oil to the No. 2 camshaft journals and camshaft housing sub-assembly.
Install the No. 2 camshaft to the camshaft housing sub-assembly.
INSTALL CAMSHAFT
Clean the camshaft journals.
Apply a light coat of engine oil to the camshaft journals and camshaft housing sub-assembly.
Install the camshaft to the camshaft housing sub-assembly.
INSTALL CAMSHAFT BEARING CAP
INSTALL WATER VALVE
INSTALL CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY
INSTALL CAMSHAFT TIMING GEAR ASSEMBLY
SET NO. 1 CYLINDER TO TDC/COMPRESSION
INSTALL CHAIN SUB-ASSEMBLY
Tech Tips
Be sure to install the chain sub-assembly with the mark plates facing away from the engine assembly.
Pass the chain sub-assembly through the timing chain guide.
Temporarily install the crankshaft pulley set bolt.
Install the timing chain guide with the 2 bolts to the cylinder head sub-assembly and cylinder block sub-assembly.
Align the mark plates (gold) with the timing marks as shown in the illustration and install the chain sub-assembly.
| *a | Mark Plate (Gold) | *b | Timing Mark |
Tech Tips
Do not pass the chain sub-assembly around the sprocket of the camshaft timing gear assembly. Only place it on the sprocket.
Hold the hexagonal portion of the camshaft with a wrench and turn the camshaft timing gear assembly clockwise.
Tech Tips
To tension the chain sub-assembly, slowly turn the camshaft timing gear assembly clockwise to prevent the chain sub-assembly from being misaligned.
| *a | Timing Mark |
| *b | Mark Plate (Gold) |
Align the mark plate (gold) and timing mark and install the chain sub-assembly to the crankshaft timing sprocket.
Note
The mark for the crankshaft spans 3 outer links. Use the center mark plate for the alignment.
Remove the crankshaft pulley set bolt from the crankshaft.
INSTALL CHAIN TENSIONER SLIPPER
INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY
CHECK NO. 1 CYLINDER TDC/COMPRESSION
INSTALL WATER INLET PIPE
INSTALL TIMING CHAIN COVER OIL SEAL
INSTALL TIMING CHAIN COVER ASSEMBLY
INSTALL CRANKSHAFT PULLEY
INSTALL SPARK PLUG TUBE GASKET
INSTALL CYLINDER HEAD COVER GASKET
ADD ENGINE OIL
INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY
INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side)
INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side)
INSTALL VACUUM PUMP ASSEMBLY
INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE
INSTALL WATER BY-PASS PIPE SUB-ASSEMBLY
INSTALL FUEL VAPOR FEED PIPE
INSTALL NO. 1 IGNITION COIL
INSTALL FUEL PUMP ASSEMBLY
INSTALL FUEL INJECTOR ASSEMBLY
INSTALL TURBOCHARGER SUB-ASSEMBLY
INSTALL ENGINE HANGERS
REMOVE ENGINE ASSEMBLY FROM ENGINE STAND