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 LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEIGNITION SWITCH/STEERING LOCKWIRING SYSTEMS AND POWER MANAGEMENT - SERVICE, TROUBLESHOOTING & DIAGNOSISIGNITION CAN/CANNOT BE TURNED OFF WITH TRANSMISSION IN ANY GEARCOMPONENT TESTING
2008 Chevrolet HHR LT, 2.4 P, Automatic
Component Testing
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Component Testing
Park Switch
- Ignition OFF, disconnect the harness connector at the park switch.
- Test for infinite resistance between terminal A and terminal B with the switch in the open position.
- If less than the specified value, replace the park switch.
- Test for less than 2 ohms between terminal A and terminal B with the switch in the closed position.
- If greater than the specified range, replace the park switch.
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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.