Checks
| Causes
|
4-5-6 Clutch Assembly
|
| • | Inspect for damaged, stripped or sheared splines on 4-5-6 Clutch Plates (526-528), Backing Plate (529) |
| • | Inspect for broken or fatigued 4-5-6 Clutch Waved Plate (525) |
| • | Inspect for damaged or broken 4-5-6 Clutch Piston (520) and Piston Seals (518, 519, 521) |
| • | Inspect for broken or fatigued 4-5-6 Piston Return Spring (522) |
| • | Inspect for broken or disengaged 4-5-6 Backing Plate Retainer (532) |
| • | Inspect for damaged or broken 4-5-6 Clutch Dam Piston (523) and piston seals damaged, worn or delaminating |
| • | Inspect for broken or disengaged 4-5-6 Clutch Dam Retainer (524) |
| • | Inspect for stripped or sheared splines on the Reaction Carrier Hub (531) |
| • | Inspect for stripped or sheared splines on 3-5 Rev/4-5-6 Housing to Turbine Shaft (516) |
| • | Inspect for loose, worn or damaged 3-5 Rev/4-5-6 Housing Bushing |
| • | Inspect for broken, porous or improper surface finish or plugged oil passages of the 3-5 Rev/4-5-6 Housing (516) |
|
Transmission Case Assembly
| Inspect the input shaft support (56) for missing or damaged fluid ring seals (58).
|
Control Valve Body Assembly
| Inspect the reverse and 4-5-6 regulator valve (411) and ball check valve (404) for debris and stickiness.
|
Control Solenoid (w/Body and TCM) Valve Assembly
| Check the pressure control solenoid 3 (R1/456) for proper operation. Refer to Control Solenoid Valve and Transmission Control Module Assembly Solenoid Performance Test .
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