GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 STS 🢒 Engine 🢒 Engine Mechanical - 4.4L 🢒 Engine Front Cover Installation

    Object Number: 1674306 Size: SH

    Important: Ensure the proper friction washer is installed in the correct position.

  1. Select the oil pump drive to crankshaft balancer friction washer (3). The outer diameter is 45.5 mm (1.7913 in) and an inner diameter of 35.25 mm (1.3878 in).

    2. Object Number: 1674308 Size: SH
  2. Install the oil pump drive to crankshaft balancer friction washer.

    3. Object Number: 1651529 Size: SH
  3. Place a small amount of sealant GM P/N 12378521 (Canadian P/N 88901148) or equivalent at the split line of the upper and lower crankcases (1).

    4. Object Number: 1651530 Size: SH
  4. Place the NEW engine front cover gasket over the crankcase dowel pins.

    5. Object Number: 1651531 Size: SH
  5. Place a small amount of sealant GM P/N 12378521 (Canadian P/N 88901148) or equivalent at the engine front cover gasket pad area located on top of the split line of the upper and lower crankcases (1).

    6. Object Number: 1651532 Size: SH
  6. Place the engine front cover in position on the crankcase.
  7. Apply the thread locking compound GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the threads of the engine front cover bolts.
  8. Install the engine front cover bolts.

    9. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1651534 Size: SH
  9. Tighten the engine front cover bolts in the sequence shown.

    10. Tighten
    Tighten the engine front cover bolts in proper sequence to 15 N·m (11 lb ft).


    Object Number: 1651536 Size: SH
  10. Install the water pump pulley.
  11. Install the water pump pulley bolts.

    12. Tighten
    Tighten the water pump pulley bolt to 10 N·m (89 lb in).