Possible Leak Points
Possible Points of Fluid LeaksTransmission 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
^ 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
Possible Fluid Leak Points
3 - Bolt and Seal Assembly, A/Trans O/Pump
5 - Seal, A/Trans Oil Pump
8 - Connector, Transmission Oil Cooler Pipe
9 - Pipe, Vent
15 - Seal, Case Extension
20 - Seal Asm., Prop Shaft Front Slip Yoke Oil
22 - Sensor Assembly, A/T Input Speed and 2WD Output Speed (4WD Plug)
24 - Plug, Line Pressure Test Hole
27 - Bolt, Oil Pan
29 - Seal, Transmission Oil Pan
34 - Harness Assembly, A/Trans Wiring
201 - Seal Asm., Torque Converter Oil
707 - Seal, Manual Shift Shaft