GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1241526  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the timing belt. Refer to Timing Belt Replacement .
  3. Remove the valve cover bolts.
  4. Remove the valve cover.
  5. Caution: Refer to Safety Glasses Caution in the Preface section.


    Object Number: 1241557  Size: SH

    Important: Take extreme care to prevent any scratches, nicks, or damage to the camshaft. Such damage can impair vehicle operation.

  6. While holding the camshaft firmly in place, remove the camshaft gear bolt.
  7. Remove the camshaft gear.

Installation Procedure


    Object Number: 1241557  Size: SH

    Important: Take extreme care to prevent any scratches, nicks, or damage to the camshaft. Such damage can impair vehicle operation.

  1. Install the camshaft gear.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. While holding the camshaft firmly in place, install the camshaft gear bolt.
  4. Tighten
    Tighten the camshaft gear bolt to 45 N·m (33 lb ft).


    Object Number: 1241526  Size: SH
  5. Install the valve cover.
  6. Install the valve cover bolts.
  7. Tighten
    Tighten the valve cover bolts to 9 N·m (80 lb in).

  8. Install the timing belt. Refer to Timing Belt Replacement .
  9. Connect the negative battery cable.