Section 4-7 · Pages 192–203 (12 pages)

Overrun Clutch and Front Pump

From the 1956–1957 GM Controlled Coupling Hydra-Matic Transmission Service Manual

Year
1956, 1957
Make
Cadillac, General Motors, Hudson, Nash, Oldsmobile, Pontiac
Vehicle
Components and Systems, Hydra-Matic, Transmissions
Type
Overhaul & Unit Repair, Service Manual
Models
1956–1957 Cadillac, Oldsmobile (Jetaway), Pontiac (Strato-Flight), Nash and Hudson (Flashaway)
Publication
A-3755
Pages
267

Front pump disassembly with spiralox ring, priming springs, sprag and overrun clutch piston, inspection of the slide, vanes, rotor, bushing wear limit and passages, assembly with the vane rings, and installation of the pump and overrun clutch plate.

What this section covers

  • Front pump disassembly
  • Inspection of slide, vanes, rotor and bushing
  • Overrun clutch piston and seals
  • Front pump assembly and vane clearance
  • Installation of front pump and overrun clutch
Read from page 192
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