Nissan Sentra/Pulsar/NX 1982-1996 Repair Guide

Brake Pads

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CAUTION
Brake pads may contain asbestos, which has been determined to be a cancer causing agent. Never clean brake surfaces with compressed air! Avoid inhaling any dust from any brake surfaces! When cleaning brake surfaces, use a commercially available brake cleaning fluid.

See Figures 1, 2 and 3



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Fig. Fig. 1: Front disc brake components-1982-91 models with gasoline engines



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Fig. Fig. 2: Front disc brake components-1991-96 models equipped with CL22VD & CL22VE brake systems



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Fig. Fig. 3: Front disc brake components-1991-96 models equipped with AD18VE brake systems

REMOVAL & INSTALLATION



See Figures 4, 5, 6, 7, 8, 9, 10, 11 and 12



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Fig. Fig. 4: Front disc brake components-1983-87 models with diesel engines



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Fig. Fig. 5: Use a large C-clamp as shown to retract the caliper piston



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Fig. Fig. 6: Remove excess fluid from the master cylinder reservoir using a syringe



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Fig. Fig. 7: Remove the lower caliper mounting bolt and swing the caliper assembly upward



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Fig. Fig. 8: With the lower caliper mounting bolt removed, swing the caliper upward to access the brake pads



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Fig. Fig. 9: Support the brake caliper using a piece of wire (hanger) and remove the brake pads



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Fig. Fig. 10: Remove the brake pads from the caliper holder



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Fig. Fig. 11: Remove the brake pad shims from the old brake pads



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Fig. Fig. 12: Remove the anti-rattle clips from the caliper holder


CAUTION
Brake pads may contain asbestos, which has been determined to be a cancer causing agent. Never clean the brake surfaces with compressed air! Avoid inhaling any dust from any brake surface! When cleaning brake surfaces, use a commercially available brake cleaning fluid.

  1. Remove the reservoir cap from the master cylinder.
  2.  

When the caliper pistons are retracted into the caliper the brake fluid level will rise. Therefore, it may be necessary to remove some brake fluid from the master cylinder reservoir.

  1. Check the level of fluid in the master cylinder. If the fluid is near the maximum level, use a clean syringe to remove fluid until the level is down well below the lip of the reservoir.
  2.  
  3. Raise and support the front of the vehicle on jackstands, then remove the wheels.
  4.  
  5. Using a large C-clamp, push the caliper piston into the caliper bore.
  6.  
  7. Remove the bottom guide pin from the caliper and swing the caliper cylinder body upward as hang by a wire.
  8.  
  9. Remove the brake pad retainers and the pads.
  10.  


WARNING
Do not depress the brake pedal at any time with the caliper removed.

To install:
  1. Inspect the following items for signs of wear or deterioration. Repair or replace any problem items, before continuing.

    All brake hardware (mounting pins, shims, clips, etc.)
     
    Brake rotor
     
    Brake caliper
     

  2.  

  1. Clean and lubricate caliper slide pins and brake pad mounting surfaces.
  2.  

Wheel bearing grease or an anti-seize compound can be used to lubricate contact points.

  1. Install the brake pads and caliper assembly. Torque the guide pin to 23 ft. lbs. (31 Nm).
  2.  
  3. Install the wheels and lower the vehicle to the ground.
  4.  
  5. Apply the brakes a few times to seat the pads.
  6.  
  7. Check the master cylinder and add fluid if necessary. Bleed the brakes, if necessary.
  8.  

INSPECTION



You should be able to check the pad lining thickness without removing the pads. Check the Brake Specifications chart at the end of this section to find the manufacturer's pad wear limit. However, this measurement may disagree with your state inspection laws. When replacing pads, always check the surface of the rotors for scoring, hard spots (black discolorations), and/or wear. Also check that the rotors are within specifications for thickness, parallelism and run-out. If any problems exist with the brake rotor the rotor must be resurfaced or discarded.

 
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