Toyota Pick-ups/Land Cruiser/4Runner 1989-1996

Adjustments

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DISC BRAKES



All disc brakes are inherently self-adjusting. No periodic adjustment is either necessary or possible.

DRUM BRAKES



See Figure 1

Toyota trucks utilize self-adjusting brakes. The following procedure is necessary only after the brake shoes have been changed.

  1. Place blocks under the front wheels so that the truck will not roll forward when it is jacked up at the rear.
  2.  
  3. Fully release the emergency brake.
  4.  
  5. Raise the rear of the truck and support the differential housing with jackstands.
  6.  


WARNING
Brake pads and shoes 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 brake surfaces. When cleaning brakes, use commercially available brake cleaning fluids.

  1. Remove the plug from the adjusting hole at the bottom of the backing plate.
  2.  
  3. Turn the adjusting starwheel to expand the shoes fully. While doing this, have a friend step on the brake pedal occasionally to center the shoes.
  4.  



Click image to see an enlarged view

Fig. Fig. 1: A special tool used to turn the adjuster wheel is available

  1. Tighten the shoes until the wheel will not turn when the pedal is released.
  2.  
  3. From this position back off the adjuster until the wheel turns with just a slight drag.
  4.  
  5. Back off the adjuster an additional five notches. The wheel should turn smoothly. If it does not, back off another two or three notches. Should this fail, check for worn or defective parts.
  6.  
  7. Adjust the other wheel in the same manner.
  8.  

BRAKE PEDAL



Pedal Height

See Figure 2

  1. Measure the distance between the center (upper surface) of the pedal pad and the floor pad, not the carpet.
  2.  
  3. If out of specifications, loosen the brake light switch.
  4.  



Click image to see an enlarged view

Fig. Fig. 2: Pedal height is measured from the floor pad, not the carpet

  1. Loosen the locknut, then turn the pedal pushrod until the pedal height is within specifications:

    2WD Pick-Up-5.83 inches (148mm)
     
    4WD Pick-Up-5.71 inches (145mm)
     
    Tacoma-6.283-6.677 inches (159.6-169.6mm)
     
    1989-95 4Runner-5.71-5.91 inches (145-150mm)
     
    1996 4Runner-6.224-6.618 inches (158.1-168.1mm)
     
    T100 (Extra cab 4WD)-5.776-6.196 inches (146.7-156.7mm)
     
    T100 (Except extra cab 4WD)-5.894-6.287 inches (149.7-159.7mm)
     
    1989-90 Land Cruiser-6.34-6.73 inches (161-171mm)
     
    1991-93 Land Cruiser-7.09 inches (180mm)
     
    1994-96 Land Cruiser-6.59-6.99 inches (167.5-177.5mm)
     

  2.  
  3. Tighten the pushrod locknut to 19 ft. lbs. (25 Nm).
  4.  
  5. Move the brake light switch until the plunger is just touching the pedal stopper. Tighten the switch.
  6.  
  7. Check the brake pedal free-play.
  8.  

Free-Play

See Figure 3

  1. With the engine turned off, depress the brake pedal several times until there is no vacuum left in the brake booster.
  2.  
  3. Push the pedal down until resistance is first felt. Measure this distance; it should be 0.12-0.24 inches (3-6mm).
  4.  
  5. Adjust the free-play by turning the pedal pushrod.
  6.  



Click image to see an enlarged view

Fig. Fig. 3: Pedal free-play is the amount of motion before the brakes are applied

  1. Start the engine and recheck the free-play.
  2.  
  3. Recheck the pedal height.
  4.  

 
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