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 MANUALSCHEVROLET2001CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 571 (TRANSFER CASE - STEYR)REPAIR INSTRUCTIONSSPEED SENSOR REPLACEMENTINSTALLATION PROCEDURE

2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 F

Installation Procedure

2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Locating Speed Sensor

Courtesy of GENERAL MOTORS CORP.

Install the O-ring to the speed sensor, if removed.
Install the speed sensor (1) to the transfer case.

Fig 2: View Of Transfer Case Hose/Clamp Assembly, Vent Hose, Bracket & Bolt

Courtesy of GENERAL MOTORS CORP.

Position the pinion housing vent hose (2) and mounting bracket to the speed sensor bolt boss.

NOTE: Refer to Fastener Notice .

Install the speed sensor bolt (3) to the transfer case.
Tighten: Tighten the bolt to 30 N.m (22 lb ft).
Connect the electrical connector to the speed sensor.
Install the right front tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
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.