GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1997 🢒 Catera 🢒 Engine 🢒 Engine Controls - 3.0L 🢒 Camshaft Position Sensor Replacement

Removal Procedure

    Object Number: 21681 Size: SH
  1. Disconnect the wiring harness from the Camshaft Position (CMP) sensor (1).
  2. Remove the A/C Low Pressure line bracket.
  3. Remove the fastening bolt for the CMP sensor.
  4. Remove the CMP sensor and the O-ring seal from the camshaft cover.

Installation Procedure

    Object Number: 21681 Size: SH
  1. Thoroughly clean the mating surfaces of the CMP sensor (1) and the camshaft cover.
  2. Install the CMP sensor with a new O-ring seal into the camshaft cover.

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the fastening bolt for the CMP sensor.

    4. Tighten
    Tighten the bolt to 8 N·m (6 lb ft).

  4. Install the A/C Low Pressure line bracket.
  5. Connect the wiring harness to the CMP sensor. Ensure the correct cable routing.