Grand Prix V6-191 3.1L VIN M SFI (1998)
3. Install the crankshaft sprocket using the J 38612.
4. Remove the J 38612.
5. Apply Engine Oil Supplement (EOS) GM P/N 1052367 or equivalent to the sprocket thrust surface.
6. Install the timing chain dampener to the block.
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Tighten the timing chain dampener bolts to 21 Nm (15 ft. lbs.).
7. Install the timing chain onto the camshaft gear.
