GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 785859  Size: SH
  1. Disconnect the electrical connector from the camshaft position (CMP) sensor pigtail.
  2. Remove the knock sensor (KS) pigtail retaining clip from the CMP sensor.
  3. Remove the bolt securing the CMP sensor to the camshaft bearing cap.
  4. Remove the CMP sensor from the camshaft bearing cap.

Installation Procedure


    Object Number: 785859  Size: SH
  1. Thoroughly clean the mating surfaces of the CMP sensor and the camshaft bearing cap.
  2. Install the CMP sensor into the camshaft bearing cap.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the bolt securing the CMP sensor to the camshaft bearing cap.
  5. Tighten
    Tighten the CMP sensor bolt to 8 N·m (71 lb in).

  6. Attach the KS pigtail retaining clip to the CMP sensor.
  7. Connect the electrical connector to the CMP sensor pigtail.