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 MANUALSCHEVROLET2008HHR L4-2.4LREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLANTILOCK BRAKES / TRACTION CONTROL SYSTEMSWHEEL SPEED SENSORSERVICE AND REPAIR
2008 Chevrolet HHR L4-2.4L
Wheel Speed Sensor: Service and Repair
2008 Chevrolet HHR L4-2.4LSECTION Service and Repair
Front Wheel Speed Sensor Replacement
Removal Procedure
1. Remove the left front wheel. Refer to Tire and Wheel Removal and Installation (Service and Repair) .
2. Disconnect the vehicle speed sensor (VSS) electrical connector (2).
3. Remove the retainer bolt.
4. Remove the retainer.
5. Remove the VSS.
6. Remove and discard the O-ring.
Installation Procedure
1. Lubricate a new O-ring with transmission fluid. Refer to Lubrication Specifications (Lubrication Specifications) .
2. Install the new O-ring.
3. Install the VSS assembly.
Notice: Refer to Fastener Notice (Fastener Notice) .
4. Install the VSS retainer bolt.
Tighten the bolt to 9 N.m (80 lb in).
5. Connect the VSS connector to the VSS (2).
6. Install the left front wheel. Refer to Tire and Wheel Removal and Installation (Service and Repair) .
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.