Brake caliper rebuild: Difference between revisions

→Procedure: Minor edits and clarifications
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Remove the anti-vibration bracket (take note of its orientation).
Remove the anti-vibration spring (take note of its orientation).


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At this point you should consider unhooking the brake line so you can relocate the caliper to a convenient flat surface, such as a workbench. This will necessitate replacing the copper banjo bolt washers, but it makes the cleaning and rebuilding process much easier.  
At this point you should consider disconnecting the brake line so you can relocate the caliper to a convenient flat surface, such as a workbench. This will necessitate replacing the copper banjo bolt washers, but it makes the cleaning and rebuilding process much easier. Do not be tempted to reuse the copper washers.


Remove all four (4) seals inside the caliper. Inspect them carefully; if they don't look perfect, replace them. Remember that all 4 are different and the front and rear calipers are also different from each other.
Remove all four (4) seals inside the caliper, using the pick or small screwdriver. Inspect them carefully; if they don't look perfect, replace them. Remember that all 4 are different and the front and rear calipers are also different from each other.


If you are reusing the old seals, clean them carefully and very thoroughly. There was a lot of dirt and unknown yucky stuff inside and behind these seals. This is why you should rebuild your caliper from time to time.
If you are reusing the old seals, clean them carefully and very thoroughly, using brake fluid. There was a lot of dirt and unknown yucky stuff inside and behind these seals. This is why you should rebuild your caliper from time to time.


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Spray tons of brake cleaner into the two caliper pin guide holes and make sure you get all of the old crud out. Then, insert a bunch of grease with your finger. The aftermath should look like so.
Spray tons of brake cleaner into the two caliper pin guide holes and make sure you get all of the old crud out. It may be worth wrapping a few layers of paper towel around the shaft of the small screwdriver and using that as a kind of brush to remove crud from inside the holes.  Then, insert a bunch of grease with your finger. The aftermath should look like so.


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Install the anti-vibration pad.
Install the anti-vibration spring.


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