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 MANUALSCHEVROLET2010COBALT L4-2.2LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINEACTUATORS AND SOLENOIDS - ENGINEVARIABLE VALVE TIMING SOLENOIDSERVICE AND REPAIR
2010 Chevrolet Cobalt L4-2.2L
Variable Valve Timing Solenoid: Service and Repair
2010 Chevrolet Cobalt L4-2.2LSECTION Service and Repair
Camshaft Position Actuator Solenoid Valve Replacement
Removal Procedure
1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement (Intake Manifold Cover Replacement).
2. Disconnect the intake (3) or exhaust (2) camshaft position actuator solenoid valve electrical connector, as required.
3. Remove the exhaust (1) camshaft position (CMP) actuator solenoid valve bolt and valve, as required.
4. Remove the intake (2) CMP actuator solenoid valve bolt and valve, as required.
5. Inspect the solenoid valve O-ring seals from damage, replace as necessary.
Installation Procedure
1. Lubricate the solenoid valve O-ring seals with clean engine oil.
Caution: Refer to Fastener Caution (Fastener Caution).
2. Install the intake (2) CMP actuator solenoid valve and bolt, as required and tighten the bolt to 10 Nm (89 lb in).
3. Install the exhaust (1) CMP actuator solenoid valve and bolt, as required and tighten the bolt to 10 Nm (89 lb in).
4. Connect the intake (3) or exhaust (2) camshaft position actuator solenoid valve electrical connector, as required.
5. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement (Intake Manifold Cover Replacement).
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.