CTS 2006-2007, CTS-V 2005-2007, DTS 2006-2007

Brake Calipers

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Removal & Installation



(J55) Brake System
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Raise the vehicle.
  4.  
  5. Remove the tire and wheel.
  6.  
  7. Remove the brake hose from the brake caliper.
  8.  
  9. Cap or plug the brake hose to prevent the brake system from becoming contaminated and fluid leakage.
  10.  
  11. Remove guide pin bolts.
  12.  
  13. Remove the brake caliper.

    Click image to see an enlarged view

    Fig. Rear brake caliper view (J55) brake system

  14.  

To install:

  1. Install the brake caliper.
  2.  
  3. Install guide pin bolts and tighten to 46 ft. lbs. (63 Nm).
  4.  
  5. Unplug the brake hose.
  6.  
  7. Install the brake hose to the brake caliper. Install new gasket and tighten to 33 ft. lbs. (45 Nm).
  8.  
  9. Install the tire and wheel.
  10.  
  11. Lower the vehicle.
  12.  
  13. Refill the master cylinder and bleed the brake system.
  14.  
  15. Road test the vehicle for proper brake system operation.
  16.  

(Jl9) Brake System
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Raise the vehicle.
  4.  
  5. Remove the tire and wheel.
  6.  
  7. Remove the brake hose from the caliper.
  8.  
  9. Cap or plug the brake hose to prevent the brake system from becoming contaminated and fluid leakage.
  10.  
  11. Disconnect the park brake cable from the caliper.
  12.  
  13. Remove guide pin bolts.
  14.  
  15. Remove the brake caliper.

    Click image to see an enlarged view

    Fig. View of (JL9) rear brake caliper

  16.  

To install:

  1. Remove the brake caliper.
  2.  
  3. Install guide pin bolts and tighten to 25 ft. lbs. (34 Nm).
  4.  
  5. Reconnect the park brake cable from the caliper.
  6.  
  7. Unplug the brake hose.
  8.  
  9. Install the brake hose to the caliper. Install new gasket and tighten to 30 ft. lbs. (40 Nm).
  10.  
  11. Install the tire and wheel.
  12.  
  13. Lower the vehicle.
  14.  
  15. Refill the master cylinder and bleed the brake system.
  16.  
  17. Road test the vehicle for proper brake system operation.
  18.  

CTS
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove 2 / 3 of the brake fluid from the master cylinder.
  4.  
  5. Remove the rear wheel.
  6.  
  7. Install 2 wheel nuts to keep the rotor in place.
  8.  
  9. Using a large C-clamp against the inboard pad, compress the caliper piston into the caliper to provide clearance during removal.
  10.  
  11. Place a catch pan under the caliper.
  12.  
  13. Disconnect the brake hose from the caliper. Cap the line to prevent excessive fluid loss or contamination.
  14.  
  15. Remove the caliper mounting bolts and remove the caliper from the vehicle.
  16.  
  17. Inspect the mounting bolts; sleeves and boots for wear and/or damage. Replace parts as necessary.
  18.  

To install:

  1. Before installing the caliper, make sure the piston is fully seated in the bore and the brake pads are properly seated.
  2.  
  3. Lubricate the mounting bolt shafts and inner diameter of the sleeves with silicone grease.
  4.  
  5. Install the caliper in the caliper mounting bracket and install the mounting bolts. Torque the mounting bolts to 46 ft. lbs. (63 Nm).
  6.  
  7. Connect the brake hose with the bolt and new gaskets. Torque the brake hose bolt to 37 ft. lbs. (50 Nm).
  8.  
  9. Refill the master cylinder and bleed the brake system.
  10.  
  11. Remove the 2 wheel nuts securing the rotor.
  12.  
  13. Install the rear wheel.
  14.  
  15. Road test the vehicle for proper brake system operation.
  16.  

CTS-V
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. If the brake fluid level is midway between the maximum-full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  4.  
  5. If the brake fluid level is higher than midway between the maximum-full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  6.  
  7. Remove the front wheel.
  8.  
  9. Carefully insert a plastic flat-bladed trim tool between the rotor and inboard brake pad.
  10.  
  11. Carefully apply pressure to the inboard brake pad until both caliper inner pistons are compressed into the caliper piston bores.
  12.  
  13. Carefully insert a plastic flat-bladed trim tool between the rotor and outboard brake pad.
  14.  
  15. Carefully apply pressure to the outboard brake pad until both caliper outer pistons are compressed into the bores.
  16.  
  17. Remove the brake hose and copper gaskets from the brake caliper. Cap the line to prevent excessive fluid loss or contamination.
  18.  
  19. Remove the caliper-to-knuckle mounting bolts.
  20.  
  21. Remove the brake caliper.
  22.  

To install:

  1. Apply threadlocker to two-thirds of the threaded length of the caliper to knuckle mounting bolts.
  2.  
  3. Apply a thin coat of high temperature silicone brake lubricant to the brake caliper pin.
  4.  
  5. Install the brake caliper. Tighten the mounting bolts to 88 ft. lbs. (120 Nm).
  6.  
  7. Connect the brake hose with the bolt and new gaskets. Tighten the bolt to 25 ft. lbs. (34 Nm).
  8.  
  9. Refill the master cylinder and bleed the brake system.
  10.  
  11. Install the wheel.
  12.  
  13. Road test the vehicle for proper brake system operation.
  14.  

 
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