Fluid Pressure High or Low
WARNING: This page is about a different variant/trim than selected.
Fluid Pressure High or Low
| Check |
Causes |
| DEFINITION: Transmission main line pressure that is determined to be high or low. Refer to Line Pressure Check Procedure . |
| Fluid Pump Assembly |
- Pressure regulator valve stuck
- Pressure regulator valve spring
- Line boost valve spring
- Line boost valve or bushing stuck, damaged or incorrectly assembled
- Pressure relief ball not seated or damaged
- Pressure relief ball spring
- Pump slide seal out of location
- Fluid pump screen assembly plugged or damaged
- Fluid pump rotor guide omitted or misassembled
- Fluid pump rotor cracked or broken
- Porosity in fluid pump
- Fluid pump surfaces not flat
- Excessive fluid pump rotor clearance
|
| Fluid Filter |
- Intake pipe restricted.
- Cracks in fluid filter
- Fluid filter seal missing, cut or damaged
|
| Control Valve Body Accumulator Assembly |
- Manual valve scored or damaged
- Spacer plate or gaskets misassemble or damaged
- Control valve top channel plate not flat
- Control valve bottom channel plate not flat
- Feed limit valve or spring stuck in the exhaust position
|
| Pressure Control Solenoid Assembly |
- Contaminated
- O-rings cut or damaged
- Electrical connection
|
| System Voltage |
- 12 Volts not supplied to transmission
- Electrical short - pinched solenoid wire
- Solenoid not grounded
|
| Clutch Accumulator |
Leaking |
| Inspect for active transmission DTCs |
Transmission DTC default action active |