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.
2008 Chevrolet Impala V6-3.5LFACTORY OEM SERVICE PROCEDURE
Vehicle Speed Sensor: Service and Repair
Vehicle Speed Sensor Replacement
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the right front tire and wheel. Refer to Tire and Wheel Removal and Installation (Service and Repair) .
3. Disconnect the vehicle speed sensor (VSS) electrical connector.
4. Remove the VSS bolt (9).
5. Remove the VSS (10) from the extension case.
6. Remove the O-ring (11) from the VSS (10).
Installation Procedure
1. Install the O-ring (11) to the VSS (10).
2. Install the VSS (10).
Notice: Refer to Fastener Notice .
3. Install the VSS bolt (9).
Tighten the bolt (9) to 12 N.m (106 lb in).
4. Connect the VSS electrical connector.
5. Install the right front tire and wheel. Refer to Tire and Wheel Removal and Installation (Service and Repair) .
6. Lower the vehicle.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.