Azera V6-3.3L (2007)
6. Inspect the valve clearance.
1) Check only the valve indicated as shown. [No. 1 cylinder: TDC/Compression] measure the valve clearance.
Measurement method.
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Using a thickness gauge, measure the clearance between the tappet and the base circle of camshaft.
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Record the out-of-specification valve clearance measurements. They will be used later to determine the required replacement adjusting
tappet.
Valve clearance
Specification
Engine coolant temperature: 20 degrees C (68 degrees F)
Limit
Intake: 0.10-0.30 mm (0.0039-0.0118 in.)
Exhaust: 0.20-0.40 mm (0.0079-0.0157 in.)
2) Turn the crankshaft pulley one revolution (360°) and align the groove with timing mark "T" of the lower timing chain cover.
NOTE: Do not rotate engine counterclockwise
3) Check only valves indicated as shown. [NO. 4 cylinder: TDC/compress ion]. Measure the valve clearance.