GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the timing belt cover. Refer to Timing Belt Cover Replacement .

  2. Object Number: 897044  Size: SH
  3. Remove the timing belt (235). Refer to Timing Belt Removal .

Installation Procedure

    Important: The powertrain control module (PCM) has to perform the idle learn procedure under the following conditions:

       • Any operation or repair involving the crankshaft, the crankshaft position (CKP) sensor, or the CKP sensor-to-reluctor wheel gap relationship
       • Timing belt removal or replacement
       • PCM replacement
       • Throttle body removal or replacement
       • Engine assembly replacement


    Object Number: 897044  Size: SH
  1. Install the timing belt (235). Refer to Timing Belt Installation .
  2. Install the timing belt cover. Refer to Timing Belt Cover Replacement .
  3. Perform the idle learn procedure. Refer to Idle Learn .