Harsh Fourth, Fifth, and Sixth Shift
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Harsh Fourth, Fifth, and Sixth Shift
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Checks
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Causes
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4-5-6 Clutch Assembly
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Inspect for leaking 4-5-6 clutch piston (433) and piston seals (430-432).
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Inspect for plugged or restricted 4-5-6 piston dam air bleed.
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Inspect for fatigued 4-5-6 clutch piston spring (434).
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Inspect for leaking 4-5-6 clutch dam seals (435).
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Inspect for improper surface finish on 4-5-6 clutch plates (439-441).
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Inspect for porous, improper surface finish, seal groove damage or plugged or restricted oil passages of the 3-5-rev/4-5-6 housing (422).
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Inspect for leaking or damaged 4-5-6 piston dam (435).
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