Leak at the Vent Pipe
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Cadillac Escalade EXT. 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 |