GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Suspension 🢒 Air Suspension 🢒 Height Leveling Valve Replacement

Removal Procedure

    Object Number: 200667 Size: SH
  1. Drain all of the air from the air supply system.
  2. Mark both of the air lines to the leveling valve.
  3. Remove the valve locknut (2) that fastens the control valve link (5) to the control valve (1).

    4. Object Number: 200699 Size: SH
  4. Remove the following components:
    5. • The leveling valve locknuts (1)
    • The washers
    • The bolts (3)
  5. Remove the height leveling valve (2).
  6. Remove the brass air fittings from the height leveling valve.

Installation Procedure

    Object Number: 200699 Size: SH
  1. Install the brass air fitting on the leveling valve.
  2. Connect the leveling valve in position on the frame.

    3. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the following components:
    4. • The leveling valve locknuts (1)
    • The washers
    • The bolts (3)

    Tighten
    Tighten the leveling valve mounting locknuts to 95 N·m (70 lb ft) for models without RPO-GPG.

  4. Connect the leveling valve air lines to the correct ports on the leveling valve.

    5. Object Number: 200667 Size: SH
  5. Connect the control valve link (5) on the control valve (1).
  6. Install the locknut that connects the control valve link to the control valve.

    7. Tighten
    Tighten the locknut to 23 N·m (17 lb ft).

  7. Apply air pressure. Inspect the valve for leaks.