Variable Valve Timing Solenoid: Service and Repair

2009 Pontiac Solstice L4-2.0L TurboSECTION Service and Repair



Camshaft Position Actuator Solenoid Valve Replacement

Removal Procedure




1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair).
2. Disconnect the engine wiring harness electrical connector from either the intake (2) or exhaust (1) camshaft position actuator solenoid valve, as required.




3. Remove the exhaust (1) camshaft position actuator solenoid valve bolt and valve, as required.
4. Remove the intake (2) camshaft position (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 to 10 Nm (89 lb in).
3. Install the exhaust (1) CMP actuator solenoid valve and bolt, as required, and tighten to 10 Nm (89 lb in).




4. Connect the engine wiring harness electrical connector to the intake (1) or exhaust (2) camshaft position actuator solenoid valve, as required.
5. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair).

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.