Installation Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Installation Procedure
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Removing The Idler Arm
    GM340442Courtesy of GENERAL MOTORS CORP.
  1. Position the idler arm (2) on the frame.
  2. NOTE: Refer to Fastener Notice .
  3. Install the frame bolts (3) and the nuts (1) to the idler arm.

    Tighten:Β  Tighten the frame bolts or nuts to 99 N.m (73 lb ft).

  4. Fig 2: Steering Linkage Components
    GM340481Courtesy of GENERAL MOTORS CORP.
  5. Install the relay rod (9) to the idler arm ball stud (1).

    Ensure the seal is on the stud.

  6. Fig 3: Seating The Idler Arm Tapers
    GM689037Courtesy of GENERAL MOTORS CORP.
  7. Use the J 29193Β  in order to seat the tapers. See Special ToolsΒ .

    Tighten:Β  Tighten the J 29193Β  or the J 29194Β  to 54 N.m (40 lb ft). See Special ToolsΒ  in order to seat the tapers.

  8. Install the new idler arm ball stud prevailing torque nut to the idler arm ball stud.

    Tighten:Β  Tighten the nut to 62 N.m (46 lb ft).

  9. Install the engine protection shield, if equipped. Refer to Engine Protection Shield Replacement .
  10. Lower the vehicle.
  11. Check the wheel alignment. Refer to Measuring Wheel Alignment .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.