GM Service Manual Online
For 1990-2009 cars only

    Object Number: 954012  Size: SH
  1. Install the timing chain tensioner.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the timing chain tensioner bolts. Tighten the timing chain tensioner bolts to 25 N·m (18 lb ft).

  4. Object Number: 637585  Size: SH
  5. Install the timing chain tensioner guide.
  6. Install the timing chain tensioner guide bolts. Tighten the timing chain tensioner guide bolts to 22 N·m (16 lb ft).

  7. Object Number: 637584  Size: SH
  8. Install the timing chain tensioner shoe.
  9. Install the timing chain tensioner shoe bolt. Tighten the timing chain tension shoe bolt to 25 N·m (18 lb ft).

  10. Object Number: 748324  Size: SH
  11. Install the cylinder head access hole plugs. Tighten the cylinder head access hole plugs to 5 N·m (44 lb in).