GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 734913  Size: SH
  1. Drain air supply reservoir Refer to: Draining Reservoirs .
  2. Remove the air lines.
  3. Remove the pin (2) from the park control valve knob (1).
  4. Remove the park control valve knob (1).
  5. Remove the park control valve mounting nut.
  6. Remove the park control valve mounting washer.
  7. Remove the park control valve (4).

Installation Procedure


    Object Number: 734913  Size: SH
  1. Install the park control valve (4).
  2. Install the park control valve mounting washer.
  3. Install the park control valve mounting nut.
  4. Install the park control valve knob (1).
  5. Install the pin (2) into the park control valve knob (1).
  6. Install the air lines.
  7. Charge air system and check for leaks.