For 1990-2009 cars

Checks | Causes
--- | ---
1-2-3-4 Clutch Assembly |

• | Inspect for damaged, stripped or sheared splines on 1-2-3-4 Clutch Plates (557-559), Backing Plate (560)

• | Inspect for damaged or broken 1-2-3-4 Clutch Piston (552) and Piston Seals damaged, worn or delaminating

• | Inspect for broken or fatigued 1-2-3-4 Clutch Piston Return Spring (553)

• | Inspect for broken or disengaged 1-2-3-4 Clutch Piston Return Spring Retainer (554)

• | Inspect for broken or fatigued 1-2-3-4 Clutch Waved Plate (557)

• | Inspect for disengaged or broken 1-2-3-4 Clutch Backing Plate Retainer (561)

• | Inspect for broken, porous or improper surface finish or plugged oil passages of the Low-Reverse/1-2-3-4 Clutch Housing (551)

• | Inspect for worn or damaged Low-Reverse/ 1-2-3-4 Clutch Housing (551) splines

Output Sun Gear Assembly (555) | Inspect for stripped or sheared splines on the Output Sun Gear shell
Reaction Carrier Assembly (567) |

• | Inspect for stripped or sheared splines on the Input Ring Gear

• | Inspect for disengaged or broken Input Ring Gear Retainer

Output Carrier Assembly (574) |

• | Low/Reverse Clutch Assembly (OWC) (543) splines stripped or sheared

• | Inspect for disengaged or broken Reaction Ring Gear Retainer

Case Assembly (50) |

1. Inspect for leaking or loose fitting Fluid Check Valve (55)
2. Inspect for leaking or damaged 1-2-3-4 and Low-Reverse Clutch Fluid Passage Seals (67)
3. Inspect for worn or damaged case splines or retainer ring grooves