Hi All
just stripped the calipers off the mini project and have decided to refurbish them myself, have ordered the new seals and the clips for holding in the shoes.
my question is this, as it is my first go at this is there anything i should be aware of when dismantling the calipers and should i also replace the "CALIPER PISTON 2" dia FOR 8.4"DISC 12"WHEEL CALIPER "
heres a couple of photos of the rusty calipers
Mini mayfair 1993
1275
Nikral
Front Brake
Started by
Nikral
, Sep 13 2010 04:35 PM
3 replies to this topic
#2
tommi_balls
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- Noobies
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- 13 posts
Learner Driver
Posted 14 September 2010 - 04:25 PM
not sure on the wording of your question, cant quite work out what your saying :S
if your replacing the seals replace the pistons too. make sure everything is perfectly clean inside and out so then u wont contaminate anything with grubby fingers. the new seals will be tight so lube up the new pistons with new brake fluid and be gentle untill they have gone through the seals. make sure u push them in square or the new selas will get damaged.
before any of this check the bleed nipples are free and unblocked. always worth renewing and using a bit of copper slip
if your replacing the seals replace the pistons too. make sure everything is perfectly clean inside and out so then u wont contaminate anything with grubby fingers. the new seals will be tight so lube up the new pistons with new brake fluid and be gentle untill they have gone through the seals. make sure u push them in square or the new selas will get damaged.
before any of this check the bleed nipples are free and unblocked. always worth renewing and using a bit of copper slip
#3
Carlzilla
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- Banned
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- 1,907 posts
Camshaft & Stage Two Head
- Location: Stourbridge(ish)
- Local Club: Splinters Mini Club
Posted 14 September 2010 - 05:03 PM
to completely refurb the standard 8.4" calipers, you will need:
2 caliper seal kits (one for each caliper)
4 pistons ( i used stainless steel )
Bleed nipples if you feel the need.
2 sets of pad retaining clips
4 split pins to hold the pad retaining clips in place
and of course brake pads
When youre removing the existing pistons, youre best off doing them still connected to the braking system, push both pistons out as far as possible before you pop them out, much easier this way. I also believe you can use a footpump or track pump to push the pistons out, although as ive never done this myself i cant comment on how effective it would be or if its safe to do.
Hope this helps
2 caliper seal kits (one for each caliper)
4 pistons ( i used stainless steel )
Bleed nipples if you feel the need.
2 sets of pad retaining clips
4 split pins to hold the pad retaining clips in place
and of course brake pads
When youre removing the existing pistons, youre best off doing them still connected to the braking system, push both pistons out as far as possible before you pop them out, much easier this way. I also believe you can use a footpump or track pump to push the pistons out, although as ive never done this myself i cant comment on how effective it would be or if its safe to do.
Hope this helps
Edited by Carlzilla, 14 September 2010 - 05:04 PM.
#4
Nikral
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- Members
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- 274 posts
Mini Mad
Posted 14 September 2010 - 05:55 PM
thanks for the answer guys,
have ordered the parts and have split the calipers to make the job easier, have just read a few posts and there are two trains of thought on splitting the calipers, some say you can do it without detrement to the calipers and some say DON'T do it.
As i am doing one side at a time i will find out just how difficult it is to do, i will post a few more photos as i do the task when the new parts turn up.
cheers
Nikral
have ordered the parts and have split the calipers to make the job easier, have just read a few posts and there are two trains of thought on splitting the calipers, some say you can do it without detrement to the calipers and some say DON'T do it.
As i am doing one side at a time i will find out just how difficult it is to do, i will post a few more photos as i do the task when the new parts turn up.
cheers
Nikral
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