pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Manifold Absolute Pressure (MAP) Sensor <--> [Manifold Pressure/Vacuum Sensor] > < Knock Sensor|Purpose|Page 1184
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Knock Sensor: Service and Repair

KNOCK SENSOR (KS) REPLACEMENT

REMOVAL PROCEDURE

1. Turn OFF the ignition.
2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
3. Disconnect the wiring harness connector from the knock sensor.
4. Remove the knock sensor from the engine block.

INSTALLATION PROCEDURE

IMPORTANT:  DO NOT apply thread sealant to the sensor threads. The sensor threads are coated at the factory and applying additional sealant
affects the sensors ability to detect detonation.

NOTE:  Refer to Fastener Notice in Service Precautions.

1. Install the knock sensor into engine block.

Tighten
Tighten the knock sensor to 19 N.m (14 lb ft).

2. Connect the knock sensor wiring harness connector to the knock sensor.
3. Lower the vehicle.

Manifold Absolute Pressure (MAP) Sensor <--> [Manifold Pressure/Vacuum Sensor] > < Knock Sensor|Purpose|Page 1184