For 1990-2009 cars

### Removal Procedure

1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
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

Caution: Refer to Fastener Caution in the Preface section.

1. Lubricate the solenoid valve O-ring seals with clean engine oil.
2. Install the intake (2) CMP actuator solenoid valve and bolt, as required, and tighten to 10 N·m (89 lb in).
3. Install the exhaust (1) CMP actuator solenoid valve and bolt, as required, and tighten to 10 N·m (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.