Knock Sensor Replacement

Fig 1: Knock Sensor

GM2191811

Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedures

Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle

1

Knock Sensor Bolt

CAUTION: Refer to Fastener Caution .

Procedure

Disconnect the electrical connector.
DO NOT mistake the knock sensor electrical connector with the generator electrical connector.

Tighten: 25 N.m (18 lb ft)

2

Knock Sensor