Mazda 323/626/929/GLC/MX-6/RX-7 1978-1989

Disc Brake Calipers

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REMOVAL & INSTALLATION



See Figures 1, 2 and 3

  1. Unfasten the bolts and/or pins which secure the caliper to the support, then remove the caliper.
  2.  
  3. Remove the disc brake pads, as detailed earlier in this section.
  4.  
  5. Clean the area around the brake hose fitting, then detach the hydraulic line from the caliper. Plug the end of the line to prevent the entrance of dirt or the loss of fluid.
  6.  



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Fig. Fig. 1: Brush away any dirt before disconnecting the brake hose from the caliper



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Fig. Fig. 2: Use a socket wrench to loosen the fitting ...



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Fig. Fig. 3: ... then disconnect the brake hose from the caliper

To install:
  1. Installation is the reverse of removal. Bleed the hydraulic system after completing installation.
  2.  

OVERHAUL



See Figures 4, 5, 6, 7 and 8

  1. Thoroughly clean the outside of the caliper.
  2.  
  3. Remove the dust boot retainer and the boot.
  4.  
  5. Place a piece of hardwood in front of the piston.
  6.  
  7. Gradually apply compressed air through the hydraulic line fitting and withdraw the piston.
  8.  


WARNING
Blow the air in a little at a time; the piston will be pushed out forcefully if air is blown in too suddenly.



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Fig. Fig. 4: With a piece of hardwood over the bore, gradually apply compressed air through the hydr