Possible Points of Fluid Leaks
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Transmission Oil Pan
- Incorrectly tightened oil pan bolts
- Improperly installed or damaged oil pan gasket
- Damaged oil pan or mounting face
- Incorrect oil pan gasket
Case Leak
- Damaged or missing fill tube seal
- Mislocated fill tube bracket
- Damaged vehicle speed sensor seal
- Damaged manual shaft seal
- Loose or damaged oil cooler connector fittings
- Worn or damaged propeller shaft oil seal
- Loose line pressure pipe plug
- Warped
- Distorted torque converter housing
- Porous casting
Leak at the Torque Converter End
- Converter leak in the weld area
- Converter seal lip cut. Check the converter hub for damage
- Converter seal bushing moved forward and damaged
- Converter seal garter spring missing from the seal
- Porous casting of the transmission case or the oil pump
Leak at the Vent Pipe or the Fluid Fill Tube
- 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 | Actuator Guide Seal |
| 2 | Case |
| 3 | Cooler Pipe Seals |
| 4 | Line Pressure Tap Plug |
| 5 | Axle Oil Seal (Case) and Stub Shaft Sleeve |
| 6 | Manual Shaft Seal |
| 7 | Pass-Thru Connector Seal |
| 8 | Converter Seal |
| 9 | Torque Converter Assembly |
| 10 | Oil Level Control Plug |
| 11 | Output Speed Sensor O-Ring Seal |
| 12 | Fill and Vent Cap Seal |
| 13 | Axle Oil Seal (Side Cover) and Output Shaft Sleeve |
| 14 | Side Cover Gaskets |
| 15 | Bottom Pan Gasket |