Nissan Pick-ups and Pathfinder 1970-1988

Power Brake Booster

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CAUTION
Brake shoes 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.

Vacuum boosters can be found only on models equipped with power brakes.

REMOVAL & INSTALLATION



See Figure 1

  1. Remove the master cylinder as previously detailed.
  2.  
  3. Locate the clevis rod where it attaches to the brake pedal. Pull out the clip and then remove the clevis pin.
  4.  
  5. Disconnect the vacuum hose from the booster.
  6.  
  7. Loosen the four nuts and then pull out the vacuum booster, the bracket and the gasket.
  8.  

Some 4wd models may have two extra brackets that must be removed when removing the brake booster.

To install:
  1. Install the booster and tighten the mounting bolts to 6-8 ft. lbs. (0.8-1.1 Nm).
  2.  
  3. Connect the clevis rod to the brake pedal.
  4.  
  5. Install the master cylinder. Check the brake pedal adjustment and bleed the brakes.
  6.  



Click image to see an enlarged view

Fig. Fig. 1: Power brake booster

 
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