Honda Accord/Civic/Prelude 1973-1983 Repair Guide

Brake Caliper

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REMOVAL & INSTALLATION



See Figures 1, 2, 3 and 4

  1. Raise and support the front of the vehicle on jackstands. Remove the front wheels.
  2.  
  3. Loosen the brake line from the wheel cylinder.
  4.  
  5. The caliper housing is mounted to the steering knuckle with two bolts located behind the cylinder. Remove these bolts and the caliper.
  6.  

To install:
  1. Reverse the removal procedures. Be sure to inspect all parts before installing and bleed the brake system before operating the vehicle.
  2.  



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Fig. Fig. 1: Removing the caliper retaining bolts



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Fig. Fig. 2: Removing the caliper brake hose retaining bolt



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Fig. Fig. 3: Removing the caliper assembly



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Fig. Fig. 4: Do not let the caliper assembly hang on the brake hose-support it

OVERHAUL



See Figures 5 through 12

Wash all parts in brake fluid. DO NOT use cleaning solvent or gasoline.

  1. Remove the inner and outer pad springs and pin clips, then, the pins and pads.
  2.  

The springs are different, so note the location and method of installation before removing.

  1. Push the yoke toward the rear (inboard side) of the cylinder, until it is free to separate the yoke from the cylinder. You may have to tap lightly with a plastic hammer (where the mounting bolts are located) to remove the cylinder. Exercise extreme care to avoid damaging the cylinder body. If only the cylinder body moves, without the outer piston, a gentle tap on the piston should loosen it.
  2.  
  3. To dismantle the cylinder, first remove the retaining rings at both ends of the cylinder with a screwdriver, being careful not to damage the rubber boot.
  4.  
  5. Both pistons can be removed from the cylinder body either by pushing through one end with a wooden rod or by blowing compressed air into the cylinder inlet port.
  6.  

If the wheel cylinder pistons are removed for any reason, the piston seals must be replaced.

  1. Using a small pry bar, remove the piston seals, installed on the inside of the cylinder at both ends.
  2.  
  3. Inspect the caliper operation. If the lining wear differs greatly between the inner and outer pads, the caliper may be unable to move properly due to rust an dirt on the sliding surfaces. Clean the sliding part of the caliper and apply brake grease.
  4.  

All brake parts are critical items. If there is any question as to the serviceability of any brake part-replace it.

  1. Check the piston-to-cylinder clearance. The specified clearance is 0.020-0.127mm. Also check the pistons and cylinder bore for scuffing and scratching.
  2.  
  3. Check the dust covers, retaining rings, nylon retainers and all other parts for wear or damage.
  4.  
  5. To reassemble the caliper, reverse the removal procedures. Bleed the brake system.
  6.  



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Fig. Fig. 5: View of the mounting bolts or pins and related parts of brake caliper



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Fig. Fig. 6: View of the related parts of brake caliper



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Fig. Fig. 7: Removing the piston from the caliper



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Fig. Fig. 8: View of the related parts of brake caliper



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Fig. Fig. 9: Removing the caliper rubber seal



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Fig. Fig. 10: Removing the caliper piston



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Fig. Fig. 11: Removing the caliper O-ring seal



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Fig. Fig. 12: Removing the caliper mounting dust boots

 
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