GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 33163 Valve Tray Set
    • J 43773 Valve Spring Compressor

    Object Number: 795161  Size: SH

    Important: To prevent confusing parts during assembly, the removed valves, springs, and stops are stored in J 33163 .

  1. Install the exhaust pressure regulator valve (1) and spring (2).

  2. Object Number: 795159  Size: SH
  3. Compress the spring with J 43773  (2).
  4. Install the retaining clip (1).
  5. Make sure the retaining clip is below the valve body surface.

  6. Object Number: 795156  Size: SH
  7. Install the control relief valve (1) and spring (2).

  8. Object Number: 795154  Size: SH
  9. Compress the spring with J 43773  (2).
  10. Install the retaining clip (1).
  11. Make sure the retaining clip is below the valve body surface.