For 1990-2009 cars

#### Fluid Leaks

Checks | Cause
--- | ---
DEFINITION: Automatic transmission fluid leaks that occur on the transmission.
Automatic Transmission Fluid Level | High fluid level -- causing an oil leak at the vent cap (52).
Automatic Transmission Fluid Condition |

• | Contaminated with engine coolant, engine oil, brake fluid, etc.

• | Oxidized and degraded -- causing oil foaming and an oil leak at the vent cap

Vent Cap Assembly |

• | The vent cap assembly (52) is plugged or damaged -- causing high internal pressure inside the transmission and causing oil leakage at another component.

• | Channel plate gasket (28) improperly torqued.

Bottom Pan Assembly |

• | The bottom pan bolts and screws are loose, cross-threaded, or missing.

• | The bottom pan (88) is damaged.

• | The bottom pan gasket (87) is out of position or damaged.

Oil Filter and Seal Assembly |

• | The oil filter assembly (85) is damaged.

• | The oil filter seal assembly (84) is missing or damaged -- causing oil foaming and an oil leak at the vent assembly.

Side Cover Assembly |

• | The side cover bolts and screws (3, 4, 126) are loose, cross-threaded, or missing.

• | The side cover (1) is porous or damaged.

• | The side cover gasket (5) are out of position or damaged.

• | The wiring harness assembly (11) is damaged or is leaking at the electrical connector terminals.

Front Wheel Drive Shaft Oil Seal Assemblies | The front wheel drive shaft oil seal assemblies (2, 5) are loose or damaged.
Oil Cooler Pipe Seal | The oil cooler pipe seal (49) are loose, damaged, or are missing.
Vehicle Speed Sensor Assembly |

• | The vehicle speed sensor bolt or screw (61) is loose, cross-threaded, or missing.

• | The vehicle speed sensor O-ring seal (63) is out of position or is damaged.

Line Pressure Tap Plug | The line pressure tap plug (48) is loose, cross-threaded, damaged, or is missing a sealer.
Manual Shaft and Detent Lever Assembly |

• | The manual shaft and detent lever seal assembly (809) is out of position or is damaged.

• | The manual shift shaft (807) sealing surface is damaged.

Actuator Guide Assembly |

• | The actuator guide pin (810) is loose or missing.

• | The actuator guide (812) is damaged.

• | The actuator guide O-ring seal (811) is out of position, missing, or damaged.

Torque Converter Seal Assembly | The torque converter seal assembly (54) is loose or damaged.
Drive Sprocket Support Assembly | The drive sprocket support (43) oil drain back holes are plugged or missing -- causing repeat leaks at the torque converter oil seal assembly (54).
Case Assembly | The case assembly (51) is porous or damaged.