Leak at the Vent Pipe
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Overfilled system
- Water or coolant in the fluid; The fluid will appear milky
- Transmission case porous
- Incorrect fluid level indicator
- Plugged vent
- Drain-back holes plugged
- Mispositioned oil pump to case gasket, if equipped
| Callout | Component Name |
|---|---|
| 1 | Automatic Transmission Electrical Connector Passage Sleeve |
| 2 | Line Pressure Test Hole Plug |
| 3 | Converter Housing to Case Joint |
| 4 | Trans Fluid Cooler Pipe Fitting Seals |
| 5 | Manual Shift Shaft Seal |
| 6 | Automatic Transmission Vent Pipe |
| 7 | Transmission Case Assembly |
| 8 | A/Trans Case Extension Seal - 2WD Models |
| 9 | Prop Shaft Front Slip Yoke Oil Seal - 2WD Models |
| 10 | A/Trans Fluid Pan Gasket |
| 11 | Torque Converter Fluid Seal Assembly |
| 12 | Torque Converter Assembly |
| 13 | Case Extension to Case Joint |
| 14 | Output Shaft Seal Assembly - 4WD Models |