hummer Workshop Repair Guides

Hummer Workshop Service and Repair Manuals

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Knock Sensor 1 Replacement|Page 5638 > < Knock Sensor 1 Replacement|Page 5636

H3 V8-5.3L (2008)

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Knock Sensor: Service and Repair
Knock Sensor 2 Replacement

Knock Sensor 2 Replacement

Removal Procedure

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle  (See: Maintenance/Vehicle Lifting/Service and Repair) .
2. Disconnect the engine wiring harness electrical connector (3) from the knock sensor.

3. Remove the knock sensor bolt (739) and sensor (718).

Installation Procedure

Knock Sensor 1 Replacement|Page 5638 > < Knock Sensor 1 Replacement|Page 5636