9C1760 - COBB R35 GT-R Lowering Springs [Discontinued]

9C1760 - COBB R35 GT-R Lowering Springs [Discontinued]

9C1760 - COBB R35 GT-R Lowering Springs

09-12 GT-R

 

Congratulations on your purchase of the COBB Tuning GT-R Lowering Springs! The following instructions will assist you through the installation process. Please read them BEFORE beginning the install to familiarize yourself with the steps and tools needed. If you feel you cannot properly perform this installation, we HIGHLY recommend you take the vehicle to a qualified and experienced automotive technician.




 


 

Parts List

 

  • Front Progressive Spring Set

  • Rear Progressive Spring Set

Tools Needed

 

  • Phillips head screwdriver 

  • Flathead screwdriver

  • 3/8" ratchet

  • 3/8" 10mm deep socket

  • 3/8" 12mm deep socket 

  • 3/8" 14mm deep socket

  • 3/8" 17mm deep socket

  • 14mm combination wrench

  • 17mm combination wrench

  • 17mm O-ratchet or specialty "notched" Socket

  • Deadblow Hammer

  • Torque Wrench

  • Trim removal tool

  • 3/8" 12" extension

  • 3/8" 6" extension


 

Front Spring Removal

 

  1. Securely raise or lift the vehicle

  2. Remove the battery cover.



  3. Using a trim tool, remove the five plastic fasteners that hold the trim surrounding the battery.



  4. Lift the plastic surround and move it out of the way to access the electronic damper connector.



  5. Using a small flat screwdriver, carefully disconnect the damper connector making sure not to damage the clip.



  6. Remove the damper wire from the rubber grommet that holds the harnesses and damper wire in place.



  7. Proceed into the wheel-well area and remove the speed sensor wire from the shock body. (It should be held in place by five (5) rubber grommets as shown in the picture below).



  8. Next, remove the two (2) 12mm flange nuts and one (1) 12mm flange bolt that hold the brake line to the shock body brackets.



  9. Remove the cotter pin from the end of the axle and remove the 32mm axle nut.



  10. Remove the 17mm nut and 17mm bolt from the lower control arm.



  11. Remove the 14mm flange nut and flange bolt that secures the ball joint and separate the upper control arm from the upright.



  12. With the upper control arm free from the upright, start pivoting the entire assembly outwards (away from the vehicle) WHILE tapping the axle with a soft-faced mallet to free it from the hub assembly.With the upper control arm free from the upright, start pivoting the entire assembly outwards (away from the vehicle) WHILE tapping the axle with a soft faced mallet to free it from the hub assembly.

    **NOTE: Make sure not to pull or stretch the CV Boots while working on the axle as it can rip, or the joint(s) may separate internally.



  13. Now you can go back to the top of the strut (inside the engine bay) and remove the three 12mm flange nuts to completely free the strut assembly.



  14. Carefully pivot the axle out of the way and you should now be able to pull the entire shock assembly out of the vehicle.



  15. Now go ahead and repeat steps 2 through 14 for the opposite side.

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