Oil Leakage

It is difficult to accurately determine the precise position of a oil leak, since the surrounding area also becomes wet with oil. The places where oil seals and gaskets are used are as follows:





1. Jointing portion of the case.
- Transmission case and oil pump housing jointing portion.
- Torque converter clutch case and oil pump housing jointing portion.
- Transmission case and extension case jointing portion.





2. Torque converter clutch case.
- Engine crankshaft oil seal.
- Torque converter clutch impeller sleeve oil seal.
- ATF cooler pipe connector.
- Torque converter clutch.
- Torque converter clutch case.
- Axle shaft oil seal.
- O-ring on the outside diameter of axle shaft oil seal holder.
- O-ring on the differential oil gauge.
- Differential oil drain plug.
- Speedometer cable mounting portion Location of steel balls.





3. Oil pump housing.
- Oil pump housing (Defective casting).
- O-ring on the test plugs.
- Checking blind plugs.
- Differential gear breather.





4. Automatic transmission case.
- Transmission case (Defective casting).
- Mating surface of oil pan.
- O-ring on the test plugs.
- Checking blind plugs (Steel balls).
- Oil supply pipe connector.
- ATF cooler pipe connector and gasket.
- Oil pan drain plug.
- O-ring on the transmission harness holder.
- Oil pump plugs.
- ATF breather.
- Shift lever oil seal.





5. Extension case.
- Extension case (Defective casting).
- O-ring on the vehicle speed sensor.
- Rear drive shaft oil seal.
- Checking blind plugs (Steel ball).
- O-ring on the test plugs.