Timing Component Alignment Marks: Locations

Primary Camshaft Drive Chain and Sprocket Alignment





1. Align the timing marks of the camshaft intermediate and crankshaft sprockets. The marks should be aligned vertically in the installed position.

2. Install the primary camshaft drive chain on the drive sprockets.

3. Make sure that the number 1 piston is at top dead center (TDC) and the crankshaft keyway is approximately at the 1 o'clock position.





4. Use the J 39946 to align the crankshaft key (1) with the drive sprocket.




5. Ensure the primary timing marks (1) are aligned vertically.