Installation Procedure

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: All gasket surfaces should be free of oil or other foreign material during assembly.

Fig 1: View Of Knock Sensor Oil Seals & Cover

Courtesy of GENERAL MOTORS CORP.

Lubricate the NEW knock sensor seals (1) with clean engine oil.
Install the knock sensor oil seals (1) into the engine valley cover (2).

Fig 2: View Of Engine Valley Cover, Gasket & Bolts

Courtesy of GENERAL MOTORS CORP.

NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

Install the engine valley cover and a NEW gasket onto the engine block.
Install the engine valley cover bolts.
Tighten: Tighten the bolts to 25 N.m (18 lb ft).

Fig 3: View Of Knock Sensors

Courtesy of GENERAL MOTORS CORP.

Install the knock sensors.
Tighten: Tighten the sensors to 20 N.m (15 lb ft).

Fig 4: View Of Knock Sensor Wire Harness

Courtesy of GENERAL MOTORS CORP.

Connect the knock sensor electrical connectors.
Push down on the rubber covers.
Install the intake manifold. Refer to Intake Manifold Replacement .