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.
Oil Pressure Sensor: Service and Repair
2011 Chevrolet HHR L4-2.2LSECTION Service and Repair
Engine Oil Pressure Switch Replacement
Removal Procedure
1. Remove the starter. Refer to Starter Replacement (Service and Repair).
2. Disconnect the engine wiring harness electrical connector (2) from the oil pressure switch.
3. Remove the engine oil pressure switch.
Installation Procedure
Caution: Refer to Fastener Caution (Fastener Caution).
1. Install the engine oil pressure switch. Tighten the switch to 22 Nm (16 lb ft).
2. Connect the engine wiring harness electrical connector (2) to the oil pressure switch.
3. Install the starter. Refer to Starter Replacement (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.