SECTION 4-E 1951 BUICK DYNAFLOW REMOVAL AND INSTALLATION, DISASSEMBLY AND ASSEMBLY

4-27 REMOVAL OF 1951 BUICK DYNAFLOW TRANSMISSION

  1. Raise right side of hood and remove bell housing dowel bolt located to rear of cranking motor solenoid, using a suitable offset brass drift. This bolt cannot be removed from under the car.
  2. Hoist front and rear of car and rest it solidly on stands placed under frame. Frame side rail should be at least 20″ above floor.
  3. Disconnect torque tube from torque ball and move rear axle back to disengage propeller shaft from universal joint.
  4. Remove bell housing cover and bell housing hand hole cover. See figure 4-70.
    1951 Buick Right Side of Dynaflow Transmission Installation

    1951 Buick Right Side of Dynaflow Transmission Installation

  5. Turn flywheel, using Turning Tool J 4420, until one converter drain plug can be loosened sufficiently to provide an air vent, then turn flywheel until opposite drain plug is straight down. Remove this plug and allow oil to drain from converter.
  6. Remove plug from oil pan to drain oil from transmission.
  7. Disconnect hoses from oil cooler and disconnect oil filler pipe at rubber hose.
  8. Disconnect transmission shift rod at both ends and remove. Disconnect speedometer cable.
  9. Disconnect rubber thrust pad from transmission support by removing three nuts and plate, then lift out shims located between support and thrust pad. Remove two bolts and plate which attach transmission mounting pad to the support. See figure 4-71.