For 1990-2009 cars only
- Clean the control valve body thoroughly in clean solvent.
- Move the valves with a pick or a small screwdriver in order to dislodge any dirt or debris.
- Use an air nozzle in order to dry the control valve body and to blow out all of the passages.
- Gently probe the small passages with a piece of identification tag wire or the equivalent.
Note: Do not use solvent in order to clean the solenoid valves or the neoprene seals.
Note: In the following steps, handle the parts carefully in order to avoid nicks and scratches.
