Toyota Camry 1983-1996 Repair Guide

Brake Drums

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REMOVAL & INSTALLATION




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 surfaces. When cleaning brake surfaces, use a commercially available brake cleaning fluid.

See Figures 1 and 2

  1. Loosen the rear wheel lug nuts slightly. Release the parking brake.
  2.  
  3. Block the front wheels, raise the rear of the car, and safely support it with jackstands.
  4.  
  5. Remove the lug nuts and the wheel.
  6.  
  7. Tap the drum lightly with a mallet to free the drum if resistance is felt. Sometimes brake drums are stubborn. If the drum is difficult to remove, perform the following:
    1. Insert the end of a bent wire (a coat hanger will do nicely) through the hole in the brake drum and hold the automatic adjusting lever away from the adjuster.
    2.  
    3. Reduce the brake shoe adjustment by turning the adjuster bolt with a brake adjuster tool. The drum should now be loose enough to remove without much effort.
    4.  

  8.  



Click image to see an enlarged view

Fig. Fig. 1: Insert a bent wire or brake tool through the hole in the drum and hold the adjuster lever away from the lever

To install:
  1. Clean the drum and inspect it as detailed in this section.
  2.  
  3. Hold the brake drum so that the hole on the drum is aligned with the large hole on the axle carrier and install the drum.
  4.  



Click image to see an enlarged view

Fig. Fig. 2: Align the adjusting hole on the drum with the largest hole in the axle carrier when installing

  1. If the adjuster was loosened to remove the drum, turn the adjuster bolt to adjust the length to the shortest possible amount.
  2.  
  3. Install the rear wheels, tighten the lug nuts and lower the vehicle.
  4.  
  5. Retighten the lug nuts and pump the brake pedal before moving the vehicle.
  6.  

INSPECTION



See Figures 3 and 4

  1. Remove the inspection hole plug from the backing plate, and with the aide of a flashlight, check the lining thickness. The minimum lining thickness is 0.039 inch (1.0mm). If the lining does not meet the minimum specification, replace the shoes.
  2.  



Click image to see an enlarged view

Fig. Fig. 3: An inspection spot is in the rear backing plate to check the brake shoe thickness

  1. Remove the brake drum and clean it thoroughly.
  2.  
  3. Inspect the drum for scoring, cracks, grooves and out-of-roundness. Replace or turn the drum, as required. Light scoring may be removed by dressing the drum with fine grit emery cloth. Heavy scoring will require the use of a brake drum lathe to turn the drum.
  4.  
  5. Using inside calipers, measure the inside diameter of the drum. The maximum allowable diameter for 1983-86 vehicles is 7.913 inch (201mm). The maximum allowable diameter for 1987-96 vehicles is 9.079 inch (230.6mm). If the drum exceeds the maximum diameter, replace it.
  6.  



Click image to see an enlarged view

Fig. Fig. 4: Measure the inner diameter of the drum

 
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