Pump Assembly: Disassembly
- Remove pump-to-case seal ring. See Figure . Remove pump cover-to-pump body attaching bolts and separate cover from body. Remove stator shaft-to-overrun selective thrust washer.
- Push in on T.V. boost valve bushing, compressing pressure regulator spring. Remove retaining snap ring. Release spring tension slowly and remove valve train.
- Push in on converter clutch stop valve, compressing converter clutch valve spring. Remove snap ring. Release spring tension slowly and remove stop valve and converter clutch valve. Using a punch, remove pressure relief spring retaining pin. Remove relief spring and ball.
- If replacement of stator shaft and flange assembly is required, remove attaching screws and press stator shaft until it is removed from pump cover bore.
- Place shop towel over pump slide spring (spring is under high pressure) and using a screwdriver, remove spring from pump body. Remove pump slide, slide-to-wear plate oil seal and back-up "O" ring seal, rotor, rotor guide, 7 vanes and 2 vane rings, pump slide seal support and seal. Remove pivot slide pin and spring.