For 1990-2009 cars

#### Slips in Drive or No Drive

Checks | Cause
--- | ---
DEFINITION: A large engine RPM increase is noted with little or no vehicle forward speed increase during the following conditions:

• | The engine is running.

• | The transmission is in Drive range.

• | The vehicle is stopped or moving slowly.

• | The vehicle brakes are not applied.

• | The throttle is opened 25 percent or greater.

Automatic Transmission Fluid Level | Low fluid level
Transmission Main Line Pressure | Low transmission main line pressure
Manual Linkage | Misadjusted
Oil Filter Assembly |

• | The oil filter assembly (100) is missing, plugged, or damaged.

• | The oil filter seal assembly (101) is missing or damaged.

Accumulator and Manual 2-1 Band Servo Assembly |

• | A loose or damaged forward band servo oil pipe (124).

• | Loose manual 2-1 band servo cover or accumulator cover bolts (103, 131).

• | Missing or damaged manual 2-1 servo cover gasket (105).

• | A damaged accumulator cover spacer plate assembly (134).

Forward Band Servo Assembly |

• | A servo piston oil seal ring (18) is missing or is damaged.

• | A servo piston (16) is damaged or is stuck in the servo cover (13).

• | The servo piston cushion spring (19) or the retainer (20) is missing or damaged.

• | The servo piston pin (21) is not engaged to the forward band assembly (688).

• | The forward band assembly (688) is worn or burned.

• | The forward band assembly (688) is disengaged from the anchor pin (117A).

• | The anchor pin (117A) is loose or missing.

Control Valve Body Assembly | The #3 Ball check valve (372) is missing.
Torque Converter Assembly |

• | The torque converter assembly (1) stator clutch is not holding

• | The torque converter assembly (1) blades are broken or damaged

Drive Link Assembly |

• | The drive link assembly (507) is broken.

• | The drive/driven sprockets (516/506) are damaged.

Input Clutch Assembly |

• | The input clutch sprag assembly (722) is damaged or misassembled.

• | The input clutch housing oil seal rings (628) are missing or are damaged.

• | The input clutch housing ball check valve assembly (633) is missing or is damaged.

• | The input clutch piston inner/outer seals (634/635) are missing or are damaged.

• | The input clutch piston (636) is damaged.

• | The input clutch plates (654-658) are worn.

1-2 Clutch Roller Assembly | The 1-2 clutch roller assembly (683) is damaged.
Input and Reaction Carrier Assemblies | The input carrier assembly (672) or the reaction carrier assembly (675) components are damaged.
Differential Carrier Assembly |

• | The park pawl assembly (694) is broken or damaged.

• | The sun gear shaft (689), the internal gear assembly (693), or the carrier assembly (700) components are damaged.

Forward Band Servo | Forward band servo piston apply pin (21) nicked or scratched