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 143 (ENGINE CONTROLS AND FUEL - 3.5L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSCAMSHAFT POSITION SENSOR REPLACEMENTINSTALLATION 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 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of CMP Sensor

Courtesy of GENERAL MOTORS CORP.

Replace the O-ring seal if damaged, lubricate the NEW O-ring with clean engine oil.
Install the CMP sensor.

NOTE: Refer to Fastener Notice .

Install the CMP sensor bolt.
Tighten: Tighten the bolt to 10 N.m (89 lb in).

Fig 2: View Of Fuel Injector Wiring Harness Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Connect the fuel injector wiring harness electrical connector to the CMP sensor.
Install the power steering pump, if required. Refer to Power Steering Pump Replacement .
Install the intake manifold cover. if required. Refer to Intake Manifold Cover Replacement .

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.