Possible Points of Fluid Leaks

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 shift seal.
- Loose or damaged oil cooler connector fittings.
- Worn or damaged propeller shaft oil seal.
- Loose line pressure pipe plug.
- 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.