Sierra, Silverado 2006-2007

Coil Springs

Print

Removal & Installation



Except Classic

Refer to the Shock Absorber removal procedure to replace the coil spring.

Incl. Classic Models
  1. Raise and support the vehicle.
  2.  
  3. Remove or disconnect the following:

    Engine protection shield
     
    Frame cross bar (2500 series only)
     
    Tire and wheel assembly
     
    Shock absorber
     
    Front stabilizer shaft link
     

  4.  
  5. Install tool J23028-15 using the outboard locating tab (1500 series), or, the inboard locating tab (2500 series).

    Click image to see an enlarged view

    Fig. Position the coil spring so the bottom end of the spring covers only one drain hole-the other hole must remain open



    Click image to see an enlarged view

    Fig. Installing tool J23028

  6.  
  7. Attach the retaining hook to the control arm. Tighten the wing nut until free-play is eliminated.

    Click image to see an enlarged view

    Fig. Retaining hook installation



    Click image to see an enlarged view

    Fig. Tool attached to a jack

  8.  
  9. Securely attach tool J23028-01 to a suitable transmission jack. Raise the jack until the yokes of tool J23028-01 line up with the notches in J23028-15.
  10.  
  11. Using the tools and the transmission jack, relieve the spring tension from the lower control arm pivot bolts.
  12.  
  13. Remove or disconnect the following:

    Lower control arm pivot bolt nuts
     
    Rear pivot bolt
     
    Front pivot bolt

    Click image to see an enlarged view

    Fig. Lower control arm removal

     

  14.  
  15. Slowly lower the transmission jack in order to unload the front coil spring. It may be necessary to use a pry bar in order to guide the lower control arm out of position.
  16.  
  17. Remove the coil spring and the insulator.
  18.  

To install:

  1. Install the coil spring and the insulator to the lower control arm.
  2.  
  3. Raise the transmission jack in order to compress the front coil spring. It may be necessary to use a pry bar in order to guide the lower control arm into position.
  4.  
  5. Install or connect the following:

    Front pivot bolt
     
    Rear pivot bolt
     
    Lower control arm pivot nuts. Tighten the pivot bolt nuts to 107 ft. lbs. (145 Nm).
     

  6.  
  7. Lower the jack. Remove the tool from the control arm.

    Front stabilizer shaft link
     
    Shock absorber
     
    Tire and wheel assembly
     
    Frame cross bar (2500 series only). Tighten the nuts to 74 ft. lbs. (100 Nm).
     

  8.  
  9. Install the engine protection shield.
  10.  
  11. Remove the safety stands. Lower the vehicle.
  12.  

 
label.common.footer.alt.autozoneLogo