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Home >> Honda >> 1983 >> Prelude Automatic >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Diagnosis & Overhaul - AK >> Trouble Shooting >> Harsh Upshift >> "D3"-"D4"

Harsh Upshift: "D3"-"D4"

Defective throttle shift valve. Defective 4th accumulator. Defective 4th clutch assembly. No 4th ball check valve.