Pages 149–178 (30 pages)

4-Speed: Disassembly, Inspection and Assembly of Units

From the 1961 Pontiac Hydra-Matic Manual (3-Speed and 4-Speed)

Year
1961
Models
1961 Pontiac; 3-speed P-61, PE-61, PA-61, PB-61; 4-speed PS-61, PES-61, PAS-61, PBS-61
Pages
210

Bench overhaul of each part with exploded views and inspection checks: case, Lo band, parking brake and levers, case support, neutral clutch and rear unit, pump and overrun clutch, front unit coupling, reverse clutch piston housing, governor, servo and accumulator, control valve assembly with its clutch, shift and manual valve bodies, flywheel housing oil seal, pressure regulator and the driven torus check valve.

What this section covers

  • Case, Lo band and parking brake
  • Case support, neutral clutch and rear unit
  • Pump and overrun clutch
  • Front unit coupling
  • Governor, servo and accumulator
  • Control valve bodies
  • Pressure regulator and torus check valve
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