Harsh First and Reverse Shift
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Harsh First and Reverse Shift
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Checks
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Causes
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Case Cover Assembly (403)
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Inspect for plugged or improperly positioned low and reverse piston (408) air bleed.
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Low and Reverse Clutch
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Inspect for improper surface finish on low and reverse clutch plates (449-453).
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Inspect for damaged or worn low and reverse clutch plates (452).
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Inspect for damaged low and reverse clutch backing plate (453).
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Inspect for worn splines on backing plate (453).
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Inspect for damaged low and reverse clutch piston assembly (408), spring (409), and spring retaining ring (410).
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Inspect for fatigued or binding low and reverse clutch piston return spring (409).
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Inspect for broken low and reverse clutch wave plate (449).
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Lower Valve Body
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Inspect for stuck 4-5-6 clutch boost valve.
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