GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Rendezvous - AWD 🢒 Engine 🢒 Engine Controls - 3.6L (LY7) 🢒 Crankshaft Position Sensor Replacement

Removal Procedure
  1. Turn the ignition OFF.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    3. Important: The catalytic converter does not have to be removed from the vehicle, relocate to the side.

  3. Remove the catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.
  4. Disconnect the intermediate steering shaft from the steering gear. Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column.

    5. Object Number: 1388664 Size: SH
  5. Position a utility stand beneath the rear center section of the frame in order to support the powertrain.
  6. Remove the frame rear bolts.

    7. Important: Do not lower the powertrain more than 100 mm (4 in).

  7. Carefully lower the powertrain in order to provide access.

    8. Object Number: 1395482 Size: SH

    Important: Use a universal or swivel socket with a long extension in order to remove the bolts.

  8. Remove the crank sensor heat shield bolts (1, 2) and the heat shield.

    9. Important: Use a universal or swivel socket with a long extension in order to remove the bolt.


    Object Number: 1311144 Size: SH
  9. Remove the crankshaft position (CKP) sensor bolt.

    10. Important: It may be necessary to use a long flat-bladed tool in order to carefully remove the CKP sensor.

  10. Use a long flat-bladed tool in order to carefully remove the CKP sensor and harness.
  11. Disconnect the wiring harness from the CKP sensor.

Installation Procedure
  1. Connect the CKP sensor wiring harness.

    2. Object Number: 1311144 Size: SH
  2. Use a long flexible pick-up tool in order to position the CKP sensor to the engine block.

    3. Notice: Refer to Fastener Notice in the Preface section.

    Important: Use a universal or swivel socket with a long extension in order to install the bolt.

  3. Install the CKP sensor bolt.

    4. Tighten
    Tighten the CKP sensor bolt to 10 N·m (89 lb in).


    Object Number: 1395482 Size: SH

    Important: Use a universal or swivel socket with a long extension in order to install the bolts.

  4. Install the crank sensor heat shield and the heat shield bolts.

    5. Tighten

        • Tighten the upper crank sensor heat shield bolt (1) to 10 N·m (89 lb in).
        • Tighten the lower crank sensor heat shield bolt (2) to 50 N·m (37 lb in).

    Object Number: 1388664 Size: SH
  5. Raise the powertrain until the frame contacts the chassis.
  6. Install the frame rear bolts. Refer to Front Frame Replacement in Frame and Underbody.
  7. Connect the intermediate steering shaft to the steering gear. Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column.
  8. Install the catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.
  9. Lower the vehicle.