GM Service Manual Online
For 1990-2009 cars only

Tools Required

EN 46337 Timing Belt Alignment Kit

Removal Procedure

  1. Remove the powertrain control module (PCM). Refer to Powertrain Control Module Replacement .
  2. Remove the timing belt. Refer to Timing Belt Replacement .

  3. Object Number: 897127  Size: SH
  4. Use the EN 46337 to retain the camshaft sprocket.
  5. Remove the camshaft bolt and sprocket.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 897127  Size: SH
  1. Use the EN 46337 to retain the camshaft sprocket.
  2. Tighten
    Tighten the camshaft sprocket bolt to 90 N·m (67 lb ft) .

  3. Install and adjust the timing belt. Refer to Timing Belt Replacement .