Amanti V6-3.8L (2007)
2) Check that the mark (A) of the camshaft timing sprockets are in straight line on the cylinder head surface as shown in the illustration.
If not, turn the crankshaft one revolution (360°)
NOTE:
Do not rotate engine counterclockwise
6. Inspect the valve clearance.
1) Check only the valve indicated as shown. [No. 1 cylinder: TDC/Compression] measure the valve clearance.
Measurement method.
^
Using a thickness gauge, measure the clearance between the tappet and the base circle of camshaft.
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°C [68°F]
Limit
Intake : 0.17-0.23 mm (0.0067 - 0.0090 in.)
