For 1990-2009 cars only
- Clean the control valve body (301) in clean solvent.
- Dry the control valve body (301) using compressed air.
- Inspect the control valve body casting for the following conditions:
Caution: Do not reuse cleaning solvents. Previously used solvents may deposit sediment which may damage the component.
| • | Porosity |
| • | Cracks |
| • | Interconnected passages |
| • | Damaged machined surfaces |
