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)
|
- Inspect for leaking or damaged 1-2-3-4 and Low-Reverse Clutch Fluid Passage Seals (67).
- Inspect for worn or damaged case splines or retainer ring grooves.
|
Input Sun Gear (571)
| Inspect for damaged gear teeth and damaged splines.
|
Turbine Shaft (517)
| Inspect for damaged splines to the Input Shaft Sun Gear.
|
Control Valve Body Assembly
| Inspect 1-2-3-4 Clutch Regulator Valve (417) and 1-2-3-4 Clutch Boost Valve (414) for debris and stickiness.
|
Control Solenoid (w/Body and TCM) Valve Assembly
| Check 1234 PC Solenoid 5 for proper operation. Refer to Control Solenoid Valve and Transmission Control Module Assembly Solenoid Performance Test .
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