GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Enclave - AWD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Knock Sensor Replacement - Bank 2

Removal Procedure

    Object Number: 1860484 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the engine oil filter. Refer to Engine Oil and Oil Filter Replacement.
  3. Lower the vehicle.
  4. Disconnect the engine wiring harness electrical connector (2) from the bank 2 knock sensor (3).

    5. Object Number: 860802 Size: SH
  5. Loosen the knock sensor bolt and remove the knock sensor.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 860802 Size: SH
  1. Position the knock sensor and tighten the knock sensor bolt.

    2. Tighten
    Tighten the bolt to 23 N·m (17 lb ft).


    Object Number: 1860484 Size: SH
  2. Connect the engine wiring harness electrical connector (2) to the bank 2 knock sensor (3).
  3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
  4. Install a NEW engine oil filter. Refer to Engine Oil and Oil Filter Replacement.
  5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.