Chrysler Full-Size Vans 1967-1988 Repair Guide

Brake Disc (Rotor)

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REMOVAL & INSTALLATION




CAUTION
Brake shoes and 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.

See Figures 1 through 7

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Fig. Fig. 1: Remove the brake caliper and suspend it out of the way



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Fig. Fig. 2: Pry off the wheel bearing dust cap ...



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Fig. Fig. 3: ... and remove to gain access to the cotter pin



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Fig. Fig. 4: Remove the cotter pin ...



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Fig. Fig. 5: ... and the locknut ring



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Fig. Fig. 6: Remove the wheel bearing adjusting nut ...



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Fig. Fig. 7: ... then pull the rotor off of the spindle

  1. Jack up the front of the van and support it with jackstands. Remove the front wheel.
  2.  
  3. Remove the caliper assembly and support it to the frame with a piece of wire without disconnecting the brake fluid hose.
  4.  
  5. Remove the hub and rotor assembly as described in General Information & Maintenance .
  6.  
  7. Install the rotor in the reverse order of removal, and adjust the wheel bearing as outlined in General Information And Maintenance .
  8.  

INSPECTION



If the rotor is deeply scarred or has shallow cracks, it may be refinished on a disc brake rotor lathe. Also, if the lateral run-out exceeds 0.010" within a 6" radius when measured with a dial indicator, with the stylus 1" in from the edge of the rotor, the rotor should be refinished or replaced.

A maximum of 0.020" of material may be removed equally from each friction surface of the rotor. If the damage cannot be corrected when the rotor has been machined to the minimum thickness shown on the rotor, it should be replaced.

The finished braking surfaces of the rotor must be parallel within 0.007" and lateral run-out must not be more than 0.003" on the inboard surface in a 5" radius.

 
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