Century V6-3100 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 (115 ft. lbs.).
7. Hold the camshaft sprocket with the chain hanging down, and install the chain to the crankshaft gear.
