GM Service Manual Online
For 1990-2009 cars only

    Object Number: 831215  Size: SH
  1. Apply a continuous bead of GM P/N 12346240 (Canadian P/N 10953493) or an equivalent to the timing chain cover mating surface.

  2. Object Number: 831218  Size: SH
  3. Apply GM P/N 12346240 (Canadian P/N 10953493) or an equivalent to the cylinder block (1).
  4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 831224  Size: SH
  5. Install the timing chain cover.
  6. Secure the cover using 19 bolts:
  7. • Tighten the timing chain cover bolts (1) to 21 N·m (15 lb ft).
    • Tighten the timing chain cover bolts (2) to 11 N·m (8 lb ft)
    • Tighten the timing chain cover bolts (3) to 9 N·m (80 lb in).
    • Tighten the timing chain cover bolts (4) to 9 N·m (80 lb in).