Envoy 4WD V8-5.3L VIN M (2005)
Knock Sensor: Service and Repair
Knock Sensor (KS) Replacement (Left Side)
KNOCK SENSOR (KS) REPLACEMENT (LEFT SIDE)
REMOVAL PROCEDURE
1. Remove the mounting bolt for the knock sensor 1.
2. Disconnect the electrical connector of the knock sensor from the engine harness (3).
3. Remove the knock sensor (2) from the engine block (4).
INSTALLATION PROCEDURE
1. Reconnect the engine harness (3) and the knock sensor (2) electrical connectors.
2. Position the knock sensor 2 on the engine block (4).
3. Install the mounting bolt (1) for the knock sensor 2.
4. Tighten the knock sensor mounting bolt (1).
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten the knock sensor mounting bolt to 20 N.m (15 lb ft).
