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Home >> Chevrolet >> 2008 >> Express 1500 AWD V8-5.3L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Service and Repair >> Overhaul >> 4L80-E/4L85-E Automatic Transmission >> Assemble, Disassemble, and Installation >> Control Valve Body Cleaning and Inspection

Control Valve Body Cleaning and Inspection



Control Valve Body Cleaning and Inspection






Notice: Do not reuse cleaning solvents. Previously used solvents may deposit sediment which may damage the component.

1. Clean the control valve body (301) in clean solvent.
2. Dry the control valve body (301) using compressed air.
3. Inspect the control valve body casting for the following conditions:

* Porosity
* Cracks
* Interconnected passages
* Damaged machined surfaces