Control Valve Body Cleaning and Inspection
WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
- 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:
- Porosity
- Cracks
- Interconnected passages
- Damaged machined surfaces
NOTE:
Do not reuse cleaning solvents. Previously used solvents may deposit sediment which may damage the component.