Knock Sensor Replacement

Fig 1: Knock Sensor

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Remove the intake manifold. Refer to Intake Manifold Replacement (Except Hybrid)Intake Manifold Replacement (Hybrid) .
1	Knock Sensor Fasteners (Qty: 2) CAUTION: Refer to Fastener Caution . Tighten 25 N.m (18 lb ft)
2	Knock Sensors (Qty: 2) Procedure Disconnect the electrical wiring harness connectors from the knock sensors.