Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 442 (ENGINE CONTROLS AND FUEL - 3.6L - INTRODUCTION)REPAIR INSTRUCTIONSKNOCK SENSOR REPLACEMENT - BANK 1INSTALLATION PROCEDURE

2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Right Knock Sensor & Bolt

Courtesy of GENERAL MOTORS CORP.

Install the KS.

CAUTION: Refer to Fastener Caution .

Install the KS bolt and tighten to 23 N.m (17 lb ft).

Fig 2: View Of Right Knock Sensor And Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Install the KS electrical connector.
Install the wiring harness heat shield to the original position.
Lower the vehicle.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.