How to Replace a VVT Solenoid on a GM 2.4L
Step by step instructions of how to replace a variable valve timing solenoid on a GM 2.4LHow to Replace a VVT Solenoid on a GM 2.4L
Recommended Parts
Intake VVT Solenoid | Exhaust VVT Solenoid |
Remove VVT Solenoid
- Remove the air cleaner outlet duct by loosening the two hose clamps with a flat head screwdriver and removing the breather tube from the engine - Watch

- Remove the oil fill cap and pull upwards to remove lower engine cover - Watch
Tip: Re-install the oil fill cap to avoid contaminates getting into engine

- Using a shop vac or compressed air thoroughly clean the area around the VVT solenoid - Watch
- Locate the VVT solenoid being replaced and gently pry up on the grey connector locking tab to put it in the release position - Watch
Tip: Exhaust VVT solenoid (Black connector) is located toward rear of the engine and Intake VVT (Grey connector) is located towards the front of the engine

- Depress release button on connector and pull up to remove connector from solenoid - Watch

- Using a 10mm socket remove the bolt holding the VVT solenoid to the cylinder head - Watch

- Remove VVT solenoid from cylinder head - Watch

Inspect VVT Solenoid
- Inspect the VVT solenoid for missing screens and/or O-ring. If any pieces are missing, locate and remove them from the engine before installing the new solenoid - Watch
Tip: Debris can get stuck in oil passages and cause VVT system failure and possibly damage the engine

VVT Solenoid Installation
- Lube the O-ring on the NEW VVT solenoid with clean engine oil - Watch
- Install the VVT solenoid into the cylinder head and push down to seat the VVT solenoid and its sealing O-ring - Watch

- Tighten the VVT solenoid hold down bolt. (89-inch pounds) - Watch
- Reinstall the electrical connector and locking tab - Watch

- Re-install air cleaner outlet duct leaving off lower engine cover - Watch
- Start vehicle and inspect the VVT solenoid oil for leaks - Watch
- Re-install the engine cover and outlet duct
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