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

Brake Pads

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Removal & Installation



CTS
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove 2 / 3 of the brake fluid from the master cylinder reservoir.
  4.  
  5. Remove the front wheel.
  6.  
  7. Remove the caliper mounting bolts.
  8.  
  9. Remove the caliper from the steering knuckle without disconnecting the brake hose.
  10.  
  11. Suspend the caliper from the coil spring with wire. Do not let the caliper hang from the brake hose.
  12.  
  13. Remove brake pads from anchor bracket.
  14.  

To install:

  1. Fully seat the caliper piston into the bore using a large C-clamp.
  2.  
  3. Lubricate the brake caliper mounting surfaces.
  4.  
  5. Install the brake pads onto the anchor bracket using new shims and clips.
  6.  
  7. Place the caliper onto the anchor bracket and install the mounting bolts.
  8.  
  9. Torque the mounting bolts to 44 ft. lbs. (60 Nm).
  10.  
  11. Install the wheel and tire assembly and torque to specification.
  12.  
  13. Lower the vehicle.
  14.  
  15. Pump the brake pedal several times to seat the brake pads.
  16.  
  17. Check the fluid level in the master cylinder and fill as necessary.
  18.  
  19. Road test the vehicle for proper brake operation.
  20.  

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. Holding the lower end of the retainer down and using a hammer and punch carefully tap the lower caliper guide pin inward out of the caliper.
  10.  
  11. Rotate the brake pad retainer upward and remove the retainer.
  12.  
  13. Using a hammer and punch tap the upper caliper to brake pad mounting pin inward out of the caliper.
  14.  
  15. Carefully insert a plastic flat-bladed trim tool between the rotor and inboard brake pad.
  16.  
  17. Carefully apply pressure to the inboard brake pad until both caliper inner pistons are fully compressed into the caliper piston bores.
  18.  
  19. Carefully insert a plastic flat-bladed trim tool between the rotor and outboard brake pad.
  20.  
  21. Carefully apply pressure to the outboard brake pad until both caliper outer pistons are fully compressed into the bores.
  22.  
  23. Remove the brake pads from the caliper.
  24.  

To install:

  1. Install the brake pads to the caliper.
  2.  
  3. Install the upper caliper guide pin through the caliper, inner and outer brake pads.
  4.  
  5. Using a hammer and punch seat the upper guide pin to the outer caliper half. Ensure that the caliper guide pin is seated into the outer caliper pin seat.
  6.  
  7. Install the brake pad retainer under the upper caliper pin assembly.
  8.  
  9. Rotate brake pad retainer down.
  10.  
  11. Carefully apply pressure downward on the lower end of the brake pad retainer.
  12.  
  13. Carefully install the lower caliper guide pin through the caliper, inner and outer brake pads.
  14.  
  15. Using a hammer and punch seat the upper guide pin to the outer caliper half. Ensure that the caliper guide pin is seated into the outer caliper pin seat. Ensure that the brake pad retainer is centered retaining both brake pads.
  16.  
  17. Install the front wheel.
  18.  
  19. Pump the brake pedal several times to seat the brake pads.
  20.  
  21. Check the fluid level in the master cylinder and fill as necessary.
  22.  
  23. Road test the vehicle for proper brake operation.
  24.  

J55 Brake System
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Inspect the fluid level in the brake master cylinder reservoir.
  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. Raise the vehicle.
  8.  
  9. Remove the tire and wheel.
  10.  
  11. Remove the guide pin bolts.
  12.  
  13. Rotate the brake caliper upward and secure with heavy mechanics wire or equivalent.
  14.  
  15. Remove the spring clips. DO NOT use the old spring clip with new brake pads, replace with new.
  16.  
  17. Fully seat the caliper piston into the bore using a large C-clamp.
  18.  
  19. Remove the inboard and outboard brake pads.

    Click image to see an enlarged view

    Fig. Rear brake pad removal on (J55) brake system

  20.  

To install:

  1. Install the new inboard and outboard brake pads.
  2.  
  3. Install new spring clips.
  4.  
  5. Remove mechanics wire and rotate the brake caliper into position
  6.  
  7. Install the guide pin bolts. Tighten the bolts to 46 ft. lbs. (63 Nm).
  8.  
  9. Lower the vehicle.
  10.  
  11. With the engine OFF , gradually apply the brake pedal to approximately 2 / 3 of its travel distance.
  12.  
  13. Slowly release the brake pedal.
  14.  
  15. Wait 15 seconds, then repeat steps 9-10 until a firm brake pedal apply is obtained; this will properly seat the brake caliper pistons and brake pads.
  16.  
  17. Check the fluid level in the master cylinder and fill as necessary.
  18.  
  19. Road test the vehicle for proper brake operation.
  20.  

Jl9 Brake System
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Inspect the fluid level in the brake master cylinder reservoir.
  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. Raise the vehicle.
  8.  
  9. Remove the tire and wheel.
  10.  
  11. Remove the guide pin bolts.
  12.  
  13. Remove the park brake cables from the retainers on the lower control arms.
  14.  
  15. Remove the spring clips. DO NOT use the old spring clip with new brake pads, replace with new.
  16.  
  17. Fully seat the caliper piston into the bore using a large C-clamp.
  18.  
  19. Remove the inboard and outboard brake pads.

    Click image to see an enlarged view

    Fig. Rear brake pad removal on (JL9) brake system

  20.  

To install:


NOTE
When replacing the brakes pads, ensure that the wear indicators are on the inside pad on the bottom.

  1. Install the new inboard and outboard brake pads.
  2.  
  3. Install new spring clips.
  4.  
  5. Remove mechanics wire and install brake caliper into position
  6.  
  7. Install the guide pin bolts. Tighten the bolts to 25 ft. lbs. (34 Nm).
  8.  
  9. Install the park brake cables to the retainers on the lower control arms.
  10.  
  11. Lower the vehicle.
  12.  
  13. With the engine OFF , gradually apply the brake pedal to approximately 2 / 3 of its travel distance.
  14.  
  15. Slowly release the brake pedal.
  16.  
  17. Wait 15 seconds, then repeat steps 9-10 until a firm brake pedal apply is obtained; this will properly seat the brake caliper pistons and brake pads.
  18.  
  19. Check the fluid level in the master cylinder and fill as necessary.
  20.  
  21. Road test the vehicle for proper brake operation.
  22.  

 
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