Pages 193–200 (8 pages)

4-Speed: Testing and Diagnosis

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

Year
1961
Make
Pontiac
Vehicle
Components and Systems, Hydra-Matic, Passenger Cars, Transmissions
Type
Overhaul & Unit Repair, Service Manual
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

Oil pressure test and road test, a lettered diagnosis guide of causes for slipping, missed or rough shifts, lock-up, no reverse, high or low upshifts and noises, and an oil leak guide. Pressure should be 90 to 100 psi in DR right at about 25 mph, 60 to 70 psi in fourth with DR left, and 150 to 200 lb. in reverse. It also explains torus drain back, when the car will not drive for a few seconds after starting.

What this section covers

  • Oil pressure test
  • Road test
  • Diagnosis guide
  • Noise diagnosis
  • Oil leaks
  • Torus drain back
Read from page 193
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