FixVault

Knock Sensor Replacement

Fig 1: Knock Sensor
GM4231230Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (without KL9)Battery Negative Cable Disconnection and Connection (with KL9)
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
1 Knock Sensor Bolt
CAUTION: Refer to Fastener Caution .

Tighten 
25 N.m (18 lb ft)
2 Knock Sensor
Procedure 
Disconnect the electrical connector.