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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (Front Suspension) >> Repair Instructions >> Front Spring Replacement (without C7I) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM5153314Courtesy of GENERAL MOTORS COMPANY

    If installing a new front coil spring (1), make a mark using a grease pencil at location (a) on the new front coil spring (1) using the mark on the old front coil spring (1) as a reference.

  2. If installing a new front coil spring (1), slide the front coil spring insulator (2) onto the new front coil spring (1) up to the mark made at location (a).
  3. GM4921999Courtesy of GENERAL MOTORS COMPANY

    Install the CH-52078-2  upper compressor plate (1) and the CH-52078-2  lower compressor plate (2) onto the new coil spring in approximately the same position they were in during removal (measurement (a) in removal step 20).

    Make sure the thinner lip of each compressor plate is closest to the outside of the coil spring so the plates have the least offset possible from parallel.

  4. Install the CH-52078-1  threaded rod assembly, 579454  thrust bearing (not shown), 280962  washer (not shown), and CH-52078-3  drive nut (4).
  5. GM4922535Courtesy of GENERAL MOTORS COMPANY

    Compress the new coil spring until the compressed length (b) matches the previously recorded measurement.

    Do NOT exceed more than 50 mm (2 in.) of spring compression.

  6. GM4922463Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The flat end of the front coil spring and the front spring insulator goes into the front shock absorber tower and the pointed end of the front coil spring goes on the front lower control arm.

    Front Spring Insulator (3) - Install

  7. Install the front coil spring (2) so that the lower spring end is aligned with and seated in the pocket of the front lower control arm (1).
  8. Using the jack, raise the front lower control arm (1) into position.
  9. GM4922264Courtesy of GENERAL MOTORS COMPANY

    Front Lower Control Arm Bolt (3) - Install [2x]

  10. Front Lower Control Arm Washer (2) - Install [2x]
    11. CAUTION:

    Refer to Fastener Caution .

  11. Front Lower Control Arm Nut (1) - Install and tighten [2x] 155 N.m (114 lb ft)
  12. GM4922645Courtesy of GENERAL MOTORS COMPANY

    Loosen the CH-52078  Coil Spring Compressor (2)releasing tension on the front coil spring (1).

    13. NOTE:
    • Each time the CH-52078  coil spring compressor is used, ALL components MUST be inspected for damage and replaced, as necessary, before storing.
    • Each time the CH-52078  coil spring compressor is used, the CH-52078-1  threaded rod assembly MUST be cleaned and lightly lubricated with the 280934  extreme pressure threaded lube before storing.
  13. Remove the CH-52078  Coil Spring Compressor (2)from the front coil spring (1).
  14. Remove the jack from underneath the front lower control arm.
  15. Front Stabilizer Shaft Link - Install - Stabilizer Shaft Replacement 
  16. GM4914914Courtesy of GENERAL MOTORS COMPANY

    Front Shock Absorber (2) - Install - Shock Absorber Replacement 

  17. Install the front tire and wheel assembly. Tire and Wheel Removal and Installation (Without Dual Rear Wheels) , or Tire and Wheel Removal and Installation (With Dual Rear Wheels)
  18. Remove the support and lower the vehicle.
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