gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Manifold Absolute Pressure (MAP) Sensor <--> [Manifold Pressure/Vacuum Sensor] > < Knock Sensor (KS) Sensor|Page 4348
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Knock Sensor: Service and Repair

REMOVAL PROCEDURE

CAUTION:  Refer to Battery Disconnect Caution in Cautions and Notices.

1. Disconnect the negative battery cable.
2. Remove the wiring harness connector from knock sensor.
3. Remove the knock sensor from the engine block.

INSTALLATION PROCEDURE

NOTE:  Refer to Fastener Notice in Cautions and Notices.

1. Install the Knock Sensor into the engine block.

Tighten
Tighten to 19 N.m (14 lb ft).

2. Connect the negative battery cable.

Manifold Absolute Pressure (MAP) Sensor <--> [Manifold Pressure/Vacuum Sensor] > < Knock Sensor (KS) Sensor|Page 4348