Transmission Overheats
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Transmission Overheats
| Checks | Cause |
|---|---|
| TCC Circuit | Blockage during apply or release |
| TCC Valve Spring (224) | The spring is broken. |
| Pump Cover (206) | Cross channel leakage |
| Pressure Regulator Valve (231) | The valve is stuck in a high demand position. |
| Oil Cooler | The cooler or the cooler lines are blocked. |
| Gasket (6) | The gasket is damaged. |
| Retainer Pin (211) | The pin is broken. |
| Turbine Shaft O-ring (2) | The O-ring is damaged. |
| Turbine Shaft Seals (503) | The seals are damaged. |
| Stator Shaft Bushing (233) | The bushing is worn or damaged. |
| Oil Transfer Hole Cup Plug | The plug is leaking. |
| Fluid | The fluid level is low. |
| Radiator | Air flow is restricted. |