Harsh Fourth, Fifth, and Sixth Shift
Checks
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Causes
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4-5-6 Clutch Assembly
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| • |
Inspect for leaking or damaged 4-5-6 Clutch Piston
(520) and Piston Seals (518, 519, 521) |
| • |
Inspect for plugged or restricted 4-5-6 Piston Dam
air bleed |
| • |
Inspect for leaking or damaged 4-5-6 Clutch Dam
(523) |
| • |
Inspect for plugged or restricted Dam oil feed
hole in the 4-5-6 Piston (520) |
| • |
Inspect for fatiqued 4-5-6 Clutch Piston Spring
(522) |
| • |
Inspect for leaking 4-5-6 Clutch Dam Seals
(523) |
| • |
Inspect for improper surface finish on 4-5-6
Clutch Plates (525-528) |
| • |
Inspect for fatigued 4-5-6 Clutch Waved Plate
(525) |
| • |
Inspect for porous, improper surface finish, seal
groove damage or plugged or restricted oil passages of the 3-5
Rev/4-5-6 Housing (516) |
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