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 MANUALSCHEVROLET2008EXPRESS 2500 V8-4.8LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSSENSORS AND SWITCHES - COMPUTERS AND CONTROL SYSTEMSVEHICLE SPEED SENSORSERVICE AND REPAIR
2008 Chevrolet Express 2500 V8-4.8L
Vehicle Speed Sensor: Service and Repair
2008 Chevrolet Express 2500 V8-4.8LSECTION Service and Repair
Vehicle Speed Sensor Replacement
Removal Procedure
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the electrical connector from the speed sensor.
3. Remove the bolt.
4. Remove the speed sensor and the O-ring seal.
5. Inspect the seal and the transmission case. Replace the seal, if necessary.
Installation Procedure
1. Install the speed sensor and the O-ring seal into the transmission.
Notice: Refer to Fastener Notice .
2. Install the bolt.
Tighten the bolt to 11 N.m (97 lb in).
3. Install the electrical connector to the speed sensor.
4. 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.