Front Control Valve Body Inspection
Courtesy of GENERAL MOTORS CORP.
- Inspect the front control valve body (340) for the following conditions:
- Damaged or porous casting
- Damaged sealing surfaces
- Debris in fluid passages
- Use a small pick or screwdriver, before disassembly, to inspect the front control valve body (340) components for the following conditions:
- Valves binding or sticking in their bores or bushings
- Broken missing or damaged springs
- Missing or damaged retainers
- Damaged solenoid valves
- Debris in valve line ups or solenoid valves
- During disassembly, inspect the front control valve body for the following conditions:
- Worn or damaged valves, valve bores or bushings
- Broken, missing or damaged springs
- Missing or damaged retainers
- Damaged solenoid valves
- Debris in valve line ups or solenoid valve