GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Suspension 🢒 Air Suspension 🢒 Spring Hanger Bracket Insulator Replacement

Removal Procedure
  1. Block the wheels of all of the axles.
  2. Support the frame using frame stands.
  3. Support the axles using jack stands.
  4. Drain the air pressure from the air springs.

    5. Object Number: 200651 Size: SH
  5. Remove the following components:
    6. • The rebound bolt (4)
    • The locknut (1)
    • The washers
    • The spacer tube (2)
    • The rebound roller (3)

    Note: The torque rods may remain in place.

  6. Apply an upward force on the cross tube or lower air spring brackets using a jack or a pry bar. The tips of the main support beams will drop away from the cam surface of the spring hanger brackets.

    7. Object Number: 200684 Size: SH
  7. Remove the following components:
    8. • The insulator fasteners (1, 2, 5, 6)
    • The reinforcement plates
    • The insulator pads (3)

Installation Procedure

    Object Number: 200684 Size: SH
  1. Place a new insulator pad on the spring hanger (4).

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

  2. Place the retainer plate over the insulator pad.

    3. Tighten
    Tighten the 10 mm (0.375 in) hex head self- tapping screws to 34 N·m (25 lb ft).

  3. Release the jack or pry bar on the cross tube or on the lower air spring brackets. Allow the main support beams to come up to the new insulator pads.

    4. Object Number: 200651 Size: SH
  4. Install the following components:
    5. • The rebound rollers (3)
    • The spacers (2)
    • The rebound bolts (4)
    • The washers
    • The locknuts (1)

    Tighten
    Tighten the rebound bolt locknuts to 82 N·m (61 lb ft).

  5. Remove the jack stands.
  6. Unblock the wheels.