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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 498 (STEERING LINKAGE (NON-RACK & PINION))REPAIR INSTRUCTIONSIDLER ARM REPLACEMENT (4WD)REMOVAL PROCEDURE
1999 GMC Forward Control 5.7 R, Automatic

Removal Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal Procedure
WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and suitably support the vehicle with safety stands. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  2. Remove steering linkage shield. Refer to STEERING LINKAGE SHIELD REPLACEMENT .
  3. Remove differential carrier shield mounting bolts.
  4. Remove differential carrier shield.
    Fig 1: Differential Carrier Shield Mounting Bolts
    G01467341Courtesy of GENERAL MOTORS CORP.
  5. Remove the idler arm mounting bolts and nuts from the frame.

    Important:  Use the proper tool in order to separate all ball joints.

  6. Remove the idler arm ball stud nut.
    Fig 2: Removing Idler Arm Mounting Bolts & Nuts From Frame
    G01467342Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the relay rod from the idler arm using J24319-B. 
  8. Remove the idler arm.
  9. Inspect the ball stud threads for damage.
  10. Inspect the ball stud seal for cuts or other damage.
  11. Clean the threaded ball stud.
  12. Clean the threads on the ball stud nut.
    Fig 3: Disconnecting Relay Rod From Idler Arm
    G01467343Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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