Sentra 2008

Brake Pads

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Removal & Installation




CAUTION
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of air borne particles or other materials.


NOTE
While removing caliper, do not depress brake pedal because piston will pop out.


NOTE
It is not necessary to remove bolts on torque member and brake hose except for disassembly or replacement of caliper assembly. In this case, hang caliper with a wire so as not to stretch brake hose.


WARNING
Do not damage piston boot.


WARNING
If any shim is subject to serious corrosion, replace it with a new one.


NOTE
Always replace shim and shim cover as a set when replacing brake pads.


NOTE
Keep rotor and pads free from brake fluid and grease.


NOTE
Burnish the brake pads and disc rotor mutually contacting surfaces, after refinishing or replacing rotors, after replacing pads, or if a soft pedal occurs at very low mileage.

  1. Remove rear wheels and tires using power tool.
  2.  
  3. Remove lower sliding pin.

    Click image to see an enlarged view

    Fig. Remove lower sliding pin

  4.  
  5. Swing cylinder body up and support cylinder body with a suitable wire as shown. Remove pads, shim, covers and pad retainers from torque member.
    WARNING
    When removing pad retainer from torque member, lift pad retainer in the direction shown by arrow, so as not to deform it.



    Click image to see an enlarged view

    Fig. Swing cylinder body up and support cylinder body with a suitable wire as shown. Remove pads, shim, covers and pad retainers from torque member



    Click image to see an enlarged view

    Fig. When removing pad retainer from torque member, lift pad retainer in the direction shown by arrow, so as not to deform it

  6.  

To install:

  1. Apply Molykote AS-880N grease to cylinder body fingers, and between the inner shim and inner shim cover. Apply Molykote AS-880N grease inside the outer cover.
  2.  
  3. Attach the inner shim and inner shim cover to the inner pad, and the outer cover to the outer pad.
  4.  
  5. Install the pad retainers and assembled pads on the torque member.
    NOTE
    When installing pad retainer, attach it firmly so that it is not lifted up from torque member.



    Click image to see an enlarged view

    Fig. Install the pad retainers and assembled pads on the torque member. When installing pad retainer, attach it firmly so that it is not lifted up from torque member, as shown.

  6.  
  7. Install the cylinder body to the torque member.
    1. Press the piston into the cylinder body using a suitable tool.
      NOTE
      Check the brake fluid level in the reservoir tank because brake fluid returns to master cylinder reservoir tank when pressing piston in.

    2.  

  8.  
  9. Install the lower sliding pin and tighten to the following specified torque.
    1. Tighten the lower sliding pin to 32 ft. lbs. (43.15 Nm).
    2.  

  10.  
  11. Check rear brakes for drag.
  12.  
  13. Install rear wheels and tires.
  14.  

 
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