1984 Chevrolet Chevette CS, 2D Hatchback, 1.6 C, Standard, MB4FACTORY OEM SERVICE PROCEDURE

External Parts: Notes

  1. Mount transmission in holding fixture and remove torque converter by pulling straight out. Remove oil pan and discard gasket. Remove oil screen and discard gasket.
    NOTE: The 2 oil screen attaching bolts are about 3/8" (10 mm) longer than valve body attaching bolts, and they are not interchangeable.
  2. On Diesel models, remove governor pressure switch lead wire from switch and wire clips. Remove pressure switch using a 1 1/16" oil sending unit socket. See Fig 1 .
    Fig 1: Removing Governor Pressure Switch
    G96E15838Courtesy of GENERAL MOTORS CORP.
  3. On all models, remove throttle lever and bracket assembly, using care not to bend throttle lever link. T.V. exhaust valve lifter and spring may separate from lever and bracket assembly.
  4. Remove manual detent roller and spring assembly and remaining valve body attaching bolts. Holding manual valve with finger, remove valve body assembly, spacer plate, and gaskets together, to prevent dropping the 4 check balls located in valve body.
  5. Remove 1-2 accumulator spring. Remove fifth check ball from bore in transmission case. Using a small screwdriver, remove governor cover retaining ring, then remove cover using pliers and discard cover seal rings. Remove governor assembly and governor-to-case washer.
    NOTE: It may be necessary to rotate output shaft counterclockwise while removing governor. DO NOT  use any type of pliers to remove governor.
  6. Remove lead wire from case electrical connector and solenoid wire clip, then compress fingers on connector sleeve and withdraw connector.
  7. Depress intermediate servo cover and remove retaining ring. Using pliers, pull servo cover from case and discard cover seal ring. Remove intermediate servo piston and band apply pin assembly.
NOTE: Before continuing with transmission disassembly, check for proper intermediate band apply pin as follows.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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