Section Three · Pages 27–68 (42 pages)

On-the-Car Service and Adjustment Instructions

From the 1946–1955 General Motors Hydra-Matic On-the-Car Adjustment Service Manual

Step-by-step on-car procedures. External front and rear band adjustment uses the J 2681-C servo band adjuster and a tachometer at 700 rpm; internal front and rear band adjustment with the pan off uses the J 1693-B front servo gauge and J 5071 rear servo gauge. Further procedures cover rear bearing oil seal replacement with pullers and installers, draining and refilling with Hydra-Matic or Type A fluid, throttle lever alignment, throttle and selector lever linkage adjustment, push starting and towing.

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What this section covers

  • External front and rear band adjustment (J 2681-C)
  • Internal front and rear band adjustment (J 1693-B, J 5071)
  • Rear bearing oil seal replacement
  • Draining and filling the transmission
  • Throttle lever alignment
  • Throttle and selector lever linkage adjustment
  • Starting by pushing and towing
Year
1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955
Make
Cadillac, Chevrolet, General Motors, GMC, Hudson, Kaiser, Lincoln, Nash, Oldsmobile, Pontiac, Willys
Vehicle
Components and Systems, Hydra-Matic, Light Duty Trucks, Passenger Cars, Transmissions, Trucks
Type
Service Manual
Models
Hydra-Matic transmissions 1946–1955; Chevrolet and GMC 1/2–1 ton trucks
Publication
J 6372
Pages
76

What’s inside

Manual

  1. Contents and ForewordCover, table of contents with ordering details for manual J 6372, and a foreword explaining that the procedures use Kent-Moore special tools and cover about 75% of Hydra-Matic service.pp. 1–4
  2. OneFundamentals of Operationpp. 5–14
  3. TwoChecking and Diagnosispp. 15–26
  4. ThreeOn-the-Car Service and Adjustment Instructionspp. 27–68
  5. FourReference Chartspp. 69–76

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