Tundra 2WD V6-4.0L (1GR-FE) (2005)
Valve Clearance: Adjustments
VALVE CLEARANCE
INSPECTION
1. DRAIN ENGINE COOLANT
2. REMOVE V-BANK COVER
3. REMOVE AIR CLEANER
4. REMOVE INTAKE AIR SURGE TANK
5. REMOVE IGNITION COIL
6. REMOVE CYLINDER HEAD COVER
7. SET NO.1 CYLINDER TO TDC/COMPRESSION
a. Turn the crankshaft pulley, and align its groove with the timing mark "0" of the timing chain cover.
b. Check that the timing marks of the camshaft timing gears are aligned with the timing marks of the bearing caps as shown in the illustration.
If not, turn the crankshaft 1 complete revolution (360°) and align the timing marks as above.