Possible Points of Fluid Leaks
WARNING: This page is about a different car, the 2007 Cadillac DTS. 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 | Cooler Fitting, Exit |
| 2 | Line Pressure Plug |
| 3 | Extension Gasket |
| 4 | Converter Seal |
| 5 | Axle Seal, Right |
| 6 | Bottom Pan Gasket |
| 7 | Side Cover Gasket |
| 8 | Case Cover Gasket |
| 9 | 4th Servo Cover |
| 10 | Cooler Fitting, Return |
| 11 | Axle Seal, Left |
| 12 | Fluid Level Indicator Seal |
| 13 | Vehicle Speed Sensor |
| 14 | Manual Shaft Seal |