GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 44219 Engine Cover Alignment Pins


    Object Number: 637777  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the engine front cover spacer bolt.
  2. Tighten
    Tighten the engine front cover spacer bolt to 10 N·m (89 lb in).

  3. Install the crankshaft balancer friction washer GM P/N 12573950 over the crankshaft snout, up against the crankshaft gear.

  4. Object Number: 748331  Size: SH
  5. Install J 44219 .

  6. Object Number: 637780  Size: SH

    Important: The engine front cover must be installed within 10 minutes from when the sealer was applied.

  7. Apply a 3 mm (0.12 in) bead of sealer GM P/N United States 12378521, GM P/N Canada 88901148 to the back side of the engine front cover (1).

  8. Object Number: 637779  Size: SH
  9. Align the oil pump to the crankshaft sprocket splines.
  10. Install the engine front cover.
  11. Remove J 44219 .
  12. Install the engine front cover bolts.
  13. Tighten

    1. Tighten the engine front cover bolts to 10 N·m (89 lb in).
    2. Tighten the small center bolt (1) last to 10 N·m (89 lb in).