FixVault

Knock Sensor Replacement

Fig 1: Knock Sensor
GM2809919Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedure

  1. Raise and properly support the vehicle. Refer to Lifting and Jacking the Vehicle .
1 Knock Sensor Fasteners (Qty: 2)
CAUTION: Refer to Fastener Caution .

Tighten 
10 N.m (89 lb in)
2 Knock Sensors (Qty: 2)
Procedure 
Disconnect the electrical wiring harness connectors from the knock sensors.