GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1839728  Size: SH
  1. Remove the exhaust manifold lower heat shield. Refer to Exhaust Manifold Lower Heat Shield Replacement.
  2. Disconnect the engine wiring harness electrical connector (2) from the crankshaft position (CKP) sensor.

  3. Object Number: 1311144  Size: SH
  4. Remove the crankshaft sensor bolt.
  5. Remove the crankshaft sensor.

Installation Procedure


    Object Number: 1311144  Size: SH
  1. Install the crankshaft position sensor.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the crankshaft position sensor bolt and tighten to 10 N·m (89 lb in).

  4. Object Number: 1839728  Size: SH
  5. Connect the engine wiring harness electrical connector (2) to the CKP sensor.
  6. Install the exhaust manifold lower heat shield. Refer to Exhaust Manifold Lower Heat Shield Replacement.
  7. Perform the Crankshaft Position System Variation Learn procedure. Refer to Crankshaft Position System Variation Learn.