Sentra 2008

Brake Shoes

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Removal & Installation





Click image to see an enlarged view

Fig. Rear drum brakes-exploded view


NOTE
Clean dust on drum and back plate with a vacuum dust collector. Do not blow with compressed air.


NOTE
Make sure parking brake lever is released completely.


NOTE
Clean dust with a vacuum dust collector to minimize the hazard of air borne particles or other materials.


NOTE
While removing brake shoes, do not depress brake pedal because wheel cylinder pistons will pop out.


NOTE
It is not necessary to disconnect brake tube except for disassembly or replacement of wheel cylinder assembly.


NOTE
Keep drum free from brake fluid.

  1. Remove rear wheels and tires using power tools.
  2.  
  3. With the parking brake lever released, remove the brake drum. If it is difficult to remove the brake drum, use the following procedure.
    1. Remove the plug from the back plate.
    2.  
    3. Press up adjuster lever with a suitable tool from the plug hole (at the side of wheel cylinder) on the back plate as shown. Turn the frame of the adjuster assembly using a suitable tool in the direction that narrows the expanded brake shoes.

      Click image to see an enlarged view

      Fig. Press up adjuster lever with a suitable tool from the plug hole (at the side of wheel cylinder) on the back plate as shown. Turn the frame of the adjuster assembly using a suitable tool in the direction that narrows the expanded brake shoes.

    4.  

  4.  
  5. While pushing and rotating the retainers, pull out the shoe hold pins, and remove the brake shoe assembly, retainers and springs.
    NOTE
    Do not damage the wheel cylinder boot.

  6.  
  7. Disconnect the parking brake rear cable from the operating lever.
    NOTE
    Do not bend the parking brake cable.

  8.  
  9. Disassemble the brake shoe assembly (brake shoes, springs, adjuster and adjuster lever).
  10.  
  11. Remove the retainer ring with a suitable tool to separate the operating lever from brake shoe.

    Contact point
     
    Pin

    Click image to see an enlarged view

    Fig. Install the operating lever (C) using the following procedure. Position operating lever (C) on brake shoe. Install retainer ring (A) on operating lever (C), and crimp them until their contact points (B) are met. Pin (D)

     

  12.  

To install:

  1. Install the operating lever using the following procedure.
    1. Position operating lever on brake shoe.
    2.  
    3. Install retainer ring on operating lever, and crimp them until their contact points are met.
    4.  

  2.  
  3. Apply NISSAN brake grease (KRF00 00005) to brake shoes sliding surfaces (the shaded areas) and other parts on the back plate as indicated by arrows.
  4.  
  5. Apply NISSAN brake grease (KRF00 00005) to screw and confirm the difference between right and left wheel for assembling when disassembled.
    1. Right rear wheel thread cutting direction: right-hand screw.
    2.  
    3. Left rear wheel thread cutting direction: left-hand screw.
    4.  

  6.  
  7. Assemble the shoe, adjuster, adjuster lever and springs on the shoe assembly.
  8.  
  9. Connect the parking brake rear cable to the operating lever.
  10.  
  11. Install the shoe assembly, shoe hold down pins, springs and retainers. After installation be sure that each part is installed properly.
    WARNING
    Do not damage the wheel cylinder piston boot.

  12.  
  13. Install the brake drum.
  14.  
  15. Depress brake pedal approximately 2 to 3 times.
  16.  
  17. Adjust the clearance of brake shoe.
  18.  
  19. Install rear wheels and tires.
  20.  

 
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