Automatic Transmission Overheating
WARNING: This page is about a different car, the 2004 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Automatic Transmission Overheating
| Checks |
Causes |
| 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
- 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
|
| Pressure Control Solenoid Assembly |
- Contaminated
- O-Rings cut or damaged
- Electrical connection
|
| Inspect for active transmission DTCs |
Transmission DTC default action active |