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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 214 (FRONT SUSPENSION SYSTEM)REPAIR INSTRUCTIONSFRONT COIL SPRINGS REPLACEMENTINSTALLATION PROCEDURE
2006 Chevrolet Suburban C1500, 5.3 Z

Installation Procedure

2006 Chevrolet Suburban C1500, 5.3 ZSECTION Installation Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the coil spring insulator to the coil spring.
  2. Install the OTC 7045-B coil spring compressor tool or equivalent to the coil spring and compress the coil spring.

    Important:  The flat end of the coil spring and the upper insulator goes up into the shock tower and the pointed end of the coil spring goes on the lower control arm. Align coil spring so that end of the coil spring is seated in the pocket in the lower control arm.

  3. Install the coil spring and insulator to the lower control arm.
  4. Raise the lower control arm into position and place a suitable safety jack under the lower control arm rear leg near the bushing.
    Fig 1: Installing the coil spring insulator to the coil spring
    G01269704Courtesy of GENERAL MOTORS CORP.
  5. Install the rear pivot bolt.
  6. Install the front pivot bolt.
    NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  7. Install the lower control arm pivot bolt retaining nuts and washers.

    Tighten 

    Tighten, the nuts to 145 N.m (107 ft lbs).

    Fig 2: Installing rear and front pivot bolt
    G01269705Courtesy of GENERAL MOTORS CORP.
  8. Remove the OTC 7045-B coil spring compressor tool or equivalent from the coil spring.
  9. Lower and remove the safety jacks.
  10. Install the front stabilizer shaft link. Refer to Stabilizer Shaft Replacement .
  11. Install the shock absorber. Refer to Shock Absorber Replacement (RWD)  or Shock Absorber Replacement (4WD) .
  12. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels .
  13. Lower the vehicle.
    Fig 3: Removing coil spring compressor tool from the coil spring
    G01269706Courtesy of GENERAL MOTORS CORP.
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:

  • • 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.