GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the oil pan. Refer to Automatic Transmission Fluid and Filter Replacement .

  2. Object Number: 7514  Size: SH
  3. Compress the following parts with a small screwdriver:
  4. • The regulator valve (216) and spring (217)
    • The isolator spring (218)
    • The boost valve (219)
    • The boost valve sleeve (220)
  5. Remove the ring (221).
  6. Slowly release the tension.
  7. Remove the following parts from the transmission oil pump cover bore:
  8. • The sleeve (220)
    • The boost valve (219)
    • The spring (218)
    • The spring (217) and regulator valve (216)
  9. Inspect the pressure regulator valve.

Installation Procedure


    Object Number: 7514  Size: SH
  1. Install the following parts to the transmission oil pump cover bore:
  2. • The regulator valve (216)
    • The springs (217, 218)
    • The boost valve (219)
    • The sleeve (220)
  3. Compress the springs with a small screwdriver.
  4. Install the ring (221).
  5. Install the oil pan. Refer to Automatic Transmission Fluid and Filter Replacement .