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Home >> Buick >> 1987 >> Electra Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul - 200-4R >> Component Disassembly & Reassembly >> Pump Assembly >> Reassembly

Pump Assembly: Reassembly

  1. Turn pump body so that pump pocket side is up. Install slide "O" ring and slide-to-wear plate oil seal in slide and retain with petroleum jelly. Install slide into pump pocket with seal side down. Install slide seal support and pump slide seal. Retain with petroleum jelly. Install pivot pin and spring into bore in pump body (opposite pivot pin and spring).
  2. Install a vane ring in pump pocket. Install rotor guide in pump rotor. Install rotor into pump pocket. Center and seat rotor on guide so rotor is flush with pump slide. Install 7 vanes into pump. Ensure vane pattern is installed against vane ring. Install top vane ring. Install pump slide spring.
  3. If stator shaft and flange assembly was removed from pump cover, install as follows: Align dowel pin of stator shaft with hole in pump cover. Using a press, press stator shaft into cover until fully seated on cover. Install stator shaft and flange assembly attaching bolts.
  4. Install all valve trains in reverse order of removal. See Figure . Assemble pump cover to pump body and install attaching bolts finger tight. Align cover to body using Alignment Strap (J-25015). Tighten attaching bolts. Install pump-to-case seal ring, chamfered side out, making sure seal is not twisted. Install stator shaft-to-overrun clutch selective thrust washer and retain with petroleum jelly.