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Intermediate Servo Assembly: Notes

  1. Remove all, except 2, oil pan bolts. Leave these 2 bolts finger tight. Tap oil pan loose with rubber mallet. Remove oil pan and oil strainer. Discard oil strainer "O" ring.
    NOTE: DO NOT  remove servo piston oil seals unless servo piston is to be replaced.
  2. Remove reverse oil pipe retaining bracket-to-servo cover bolt. Remove remaining servo cover bolts. Lift off intermediate servo cover and gasket. Remove intermediate servo assembly. See Fig 1.
  3. If necessary, detach snap ring, and remove intermediate band apply pin from intermediate servo piston. Discard oil seals. Remove 3rd accumulator exhaust valve and spring. See Fig 1. Inspect spring and exhaust valve for wear or damage. See Fig 2.
Fig 1: Removing Intermediate Servo Assembly
G92D12669Courtesy of GENERAL MOTORS CORP.
Fig 2: Removing 3rd Accumulator Exhaust Valve & Spring
G92G12670Courtesy of GENERAL MOTORS CORP.
NOTE: Perform BAND APPLY PIN SELECTION CHECK to determine correct pin to be used during reassembly.