Section 13 · Pages 145–183 (39 pages)

Hydra-Matic Drive

From the 1949 Cadillac Shop Manual

The longest section: the Hydra-Matic Drive, optional on all 1949 series, with its new single-rod throttle linkage. On-car notes cover fluid level and changes, manual and throttle linkage adjustment, front and rear band adjustment, towing, pump pressure and leaks. The overhaul part covers removal, disassembly, front and rear units, reverse unit and output shaft, servos, front and rear oil pumps and governor, valve body, assembly with internal band adjustment and torus member installation, manual controls, and the Cadillac Hydra-Matic diagnosis guide.

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What this section covers

  • Fluid level and fluid changes
  • Throttle and manual linkage adjustment
  • Front and rear band adjustment
  • Transmission removal and disassembly
  • Front, rear and reverse unit overhaul
  • Servos, oil pumps and governor
  • Valve body overhaul
  • Hydra-Matic diagnosis guide
Year
1949
Make
Cadillac
Vehicle
Passenger Cars
Type
Service Manual
Models
Series 49-61, 62, 60S, 75 and 86 Commercial Chassis
Pages
229

What’s inside

Service sections

  1. 1General InformationForeword, how the manual is arranged, and car identification: the nine-digit engine serial number and its locations, engine unit numbers for standard and Hydra-Matic cars, the body plate, and a table of the five 1949 series with bore and stroke, 331 cu. in. displacement, wheelbase and starting engine numbers.pp. 5–6
  2. 2Lubrication and Preventive Maintenancepp. 7–13
  3. 3Bodypp. 14–33
  4. 4FrameThe X-type frame used on 1949 cars and the heavier commercial frame: checking frame dimensions and twist, replacing the front cross member, and a frame dimension chart.pp. 34–35
  5. 5Chassis Suspensionpp. 36–54
  6. 6Rear Axlepp. 55–61
  7. 7Brakespp. 62–69
  8. 8Engine Mechanicalpp. 70–95
  9. 9Engine Electricalpp. 96–112
  10. 10Engine Fuel and Exhaustpp. 113–127
  11. 11Engine Coolingpp. 128–134
  12. 12Clutch and Standard Transmissionpp. 135–144
  13. 13Hydra-Matic Drivepp. 145–183
  14. 14Steering Gearpp. 184–187
  15. 15Chassis Sheet Metalpp. 188–192
  16. 16Chassis Electricalpp. 193–202

Specifications and reference

  1. 17Specificationspp. 203–212
  2. 18Torque Tightnessespp. 213–216
  3. 19Special Tool ListSpecial service tools by J-number and description, with the model years each fits, including Hydra-Matic tools and torque wrenches.pp. 217–218
  4. 20IndexAlphabetical index giving the section, note and page number for each subject.pp. 219–229

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