GM Service Manual Online
For 1990-2009 cars only

Tools Required

EN 46337 Camshaft Sprocket/Crankshaft Balancer Holder

Removal Procedure

  1. Remove the drive belt. Refer to Drive Belt Replacement .
  2. Remove the right front wheel. Refer to Tire and Wheel Removal and Installation .

  3. Object Number: 1350395  Size: SH

    Important: If the timing belt is to be removed, the crankshaft balancer must be rotated to position number 1 piston at top dead center (TDC) of compression stroke to avoid valve-to-piston contact.

  4. Turn the crankshaft so its white mark (1) lines up with the pointer (2).

  5. Object Number: 897041  Size: SH
  6. Inspect for cylinder number 1 piston at TDC. The pointer on the upper cover (2) will be aligned with the number 1 cylinder TDC mark (1) on the camshaft pulley.

  7. Object Number: 1226516  Size: SH
  8. Use the EN 46337 and a breaker bar in order to retain the balancer.

  9. Object Number: 897037  Size: SH
  10. Remove the bolt (227), balancer (228) and guide (236).

Installation Procedure


    Object Number: 897037  Size: SH
  1. Clean all oil from the balancer (228), guide (236), bolt (227) and crankshaft.
  2. Lubricate the threads of the bolt (227) with clean engine oil.
  3. Install the guide (236), balancer (228) and bolt (227). Install the guide with the concave surface facing the balancer.

  4. Object Number: 1226516  Size: SH
  5. Use the EN 46337 and a breaker bar in order to retain the crankshaft balancer.
  6. Notice: Refer to Fastener Notice in the Preface section.

  7. Tighten the balancer bolt.
  8. Tighten
    Tighten the bolt to 245 N·m (181 lb ft).

  9. Install the right front wheel. Refer to Tire and Wheel Removal and Installation .
  10. Install the drive belt. Refer to Drive Belt Replacement .