Toyota Previa 1991-1997 Repair Information

Brake Shoes

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REMOVAL & INSTALLATION



See Figures 1 through 15

Some of the parking brake assembly springs are color coded green, blue, white. The remainder of the springs have no color. Make sure that all springs are installed in their proper locations.

  1. Loosen the rear wheel lugs slightly and raise the rear of the vehicle and support it safely. Remove the rear wheels.
  2.  



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Fig. Fig. 1: Exploded view of the parking brake assembly on rear disc brake models

  1. Remove the two mounting bolts and disconnect the rear disc brake assembly. Suspend the disc with wire from the strut spring or a convenient location on the body.
  2.  
  3. Place matchmarks on the axle hub and disc, then pull the disc from the hub. If the disc is stubborn, return the shoe adjuster until the wheel spins freely, and remove the disc.
  4.  



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Fig. Fig. 2: Remove the rubber plug hiding the adjuster



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Fig. Fig. 3: Place a suitable brake tool, in the hole and adjust the brakes to allow the wheel to spin freely

  1. Using a suitable spring tool, remove the return springs.
  2.  



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Fig. Fig. 4: The two top springs are the return springs



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Fig. Fig. 5: Remove the return springs with a special type brake tool



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Fig. Fig. 6: A special flatbladed brake tool can remove the springs from the pin

  1. Remove the hold-down spring, cups and pin on each side.
  2.  



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Fig. Fig. 7: The hold-down spring and cups are located on the side of each shoe



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Fig. Fig. 8: A pair of needle nose pliers are used to remove the pin retaining the hold-down spring and cups

  1. Remove the shoe strut with the adjuster spring.
  2.  



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Fig. Fig. 9: Remove the brake shoe strut with spring attached, then ...

  1. Slide the front shoe out and remove the adjuster. Unhook the tension spring and remove the front shoe.
  2.  



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Fig. Fig. 10: Grab both shoes and extract them out from the bottom



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Fig. Fig. 11: Slip the adjuster out from between each shoe

  1. Slide the rear shoe out and remove the tension spring. Disconnect the parking brake cable from the lever..
  2.  



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Fig. Fig. 12: The tension spring should be attached to the bottom of the shoes, remove it

To install:
  1. Lubricate all shoe sliding surfaces of the backing plate and the threads and head of the adjuster with a high temperature Lithium grease or equivalent.
  2.  



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Fig. Fig. 13: Clean the backing plate mating areas where the lubricant is placed



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Fig. Fig. 14: coat the mating areas with Lithium grease

  1. Connect the parking brake cable to the to the rear shoe lever. Install the shoe hold down springs, cups and pins.
  2.  
  3. Slide the rear shoe in between the hold down spring cup and the backing plate.
  4.  


CAUTION
Do not allow the brake shoe rubbing surface to come in contact with the grease on the backing plate.

  1. Hook the one end of the tension spring to the rear shoe and connect the front shoe to the other end of the spring. Install the adjuster between the front and rear shoes. Slide the front shoe in between the hold down spring cup and the backing plate.
  2.  
  3. Install the strut so that the spring end is forward.
  4.  
  5. Install the front and then the rear return springs using the removal tool.
  6.  



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Fig. Fig. 15: Assemble the parking brake components in the correct direction

  1. Before installing the disc, lightly polish the disc and shoe surfaces with a fine grit emery cloth. Position the rotor disc onto the axle hub so that the hole on the rear axle shaft is aligned with the service hole on the disc.
  2.  
  3. Adjust the parking brake shoe clearance, then settle the parking brake shoes and disc.
  4.  
  5. Attach the disc brake assembly to the backing plate and tighten the bolt to 34 ft. lbs. (47 Nm).
  6.  
  7. Install the rear wheels and lower the vehicle.
  8.  

ADJUSTMENTS



After the brake disc is installed, the parking brake shoe clearance must be adjusted.

  1. Temporarily install the lug nuts.
  2.  
  3. Remove the adjuster hole plug.
  4.  
  5. Using a brake tool, turn the adjuster and expand the shoes until the disc locks.
  6.  
  7. Return the adjuster eight notches.
  8.  
  9. Install the hole plug.
  10.  
  11. Install the rear brake caliper assembly, remove the lugnuts.
  12.  
  13. Install the rear wheel.
  14.  
  15. Settle the parking brake shoes and disc as follows:
    1. Drive the vehicle at about 321 mph (50 km) on a safe, level and dry road.
    2.  
    3. With the parking brake release button pushed in, pull on the lever with 20 lb. (88N) of force.
    4.  
    5. Drive the vehicle for about 1 / 4 miles (400 meters) in this condition.
    6.  
    7. Repeate the procedure 2 or 3 times.
    8.  

  16.  
  17. Recheck and adjust the parking brake lever travel.
  18.  

 
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