Avenger 2008

Brake Disc (Rotor)

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Removal & Installation



  1. Raise and support the vehicle.
  2.  
  3. Remove the wheel mounting nuts (3), then the tire and wheel assembly.
    NOTE
    In some cases, it may be necessary to retract the caliper piston in its bore a small amount in order to provide sufficient clearance between the pads and the rotor to easily remove the caliper from the knuckle. This can usually be accomplished before the guide pin bolts are removed, by grasping the inboard side of the caliper and pulling outward working with the guide pins, thus retracting the piston. Never push on the piston directly as it may get damaged.

  4.  
  5. Remove the disc brake caliper (2) lower guide pin bolt (1).
    CAUTION
    When moving rear brake caliper upward, use extreme care not to damage or overextend the flex hose. Damage may occur.



    Click image to see an enlarged view

    Fig. Remove the disc brake caliper (2) lower guide pin bolt (1)

  6.  
  7. Rotate the caliper upward hinging off the upper guide pin bolt. Rotate the caliper upward just enough to allow brake rotor removal. Hang the caliper assembly in this position using wire or a bungee cord.

    Click image to see an enlarged view

    Fig. Rotate the caliper (1) upward hinging off the upper guide pin bolt

  8.  
  9. Slide the brake rotor off the hub and bearing and remove.
  10.  

To install:

  1. Clean the hub face to remove any dirt or corrosion where the rotor mounts.
  2.  
  3. Install the brake rotor over the studs on the hub and bearing.
    CAUTION
    Use care when installing the caliper onto the adapter bracket to avoid damaging the guide pin boot.

  4.  
  5. Rotate the disc brake caliper downward over the brake rotor and lower part of caliper adapter.
  6.  
  7. Install the disc brake caliper lower guide pin bolt. Tighten the guide pin bolt to 32 ft. lbs. (43 Nm).
    NOTE
    Once the caliper is installed, inspect the outboard brake pad to make sure it is correctly positioned. The retaining clip (2) must be squarely seated in the depressed areas (1) on the caliper fingers. Also, the nubs on the pad's steel backing plate must be fully seated in the depressions formed into the inside of the caliper fingers. There should be no gap between the pad backing plate and the caliper fingers.



    Click image to see an enlarged view

    Fig. The retaining clip (2) must be squarely seated in the depressed areas (1) on the caliper fingers

  8.  
  9. Install tire and wheel assembly.
  10.  
  11. Lower the vehicle.
  12.  
  13. Pump the brake pedal several times before moving the vehicle to set the pads to the brake rotor.
  14.  
  15. Check and adjust the brake fluid level in the reservoir as necessary.
  16.  
  17. Road test the vehicle and make several stops to seat the brake pads to the rotor.
  18.  

 
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