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| Caliper refurb https://www.ausmini.com/forums/viewtopic.php?f=2&t=79341 |
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| Author: | womble99 [ Tue Nov 27, 2012 6:43 pm ] |
| Post subject: | Caliper refurb |
I have a set of kits to put through my calipers before I put the 8.4's back onto my mini, however before I do that i was thinking they could do with a clean up and a paint. What is the best method to clean em up? Good scrub in the parts washer, bead blast em???? is there anything I shouldn't do? Never played with brakes before (other than pad change) so I don't want to stuff em up 
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| Author: | drmini in aust [ Tue Nov 27, 2012 8:33 pm ] |
| Post subject: | |
I wire brushed mine (S brakes), washed with metho, fitted new seal kits, THEN painted them with VHT yellow caliper paint. They look good but the paint is very thin, not much solids in it, needs lots of coats. Red or black cover much better. 
Note the 2x bent bits of 1/8" welding electrode, much stronger then the POS Chinese 3mm split pins everybody sells now (see sample sitting below). I lost a pad once because the damned pins broke/wore through. |
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| Author: | womble99 [ Tue Nov 27, 2012 8:36 pm ] |
| Post subject: | |
Yep the VHT red is the plan, if i can ever find someone with it in stock.......... |
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| Author: | Convertible Mini [ Wed Nov 28, 2012 12:48 pm ] |
| Post subject: | Being yellow... |
Being painted Yellow does the Car stop better ? |
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| Author: | drmini in aust [ Wed Nov 28, 2012 1:17 pm ] |
| Post subject: | Re: Being yellow... |
Convertible Mini wrote: Being painted Yellow does the Car stop better ?
Ask Evan, (cooper matrikon) they are on Barney. 
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| Author: | danny_ [ Wed Nov 28, 2012 7:59 pm ] |
| Post subject: | Re: Being yellow... |
Convertible Mini wrote: Being painted Yellow does the Car stop better ?
I have yellow calipers and they give me an extra 25kw atw. 
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| Author: | womble99 [ Thu Dec 06, 2012 8:22 pm ] |
| Post subject: | |
ok next really dumb question about brakes. I have been looking at YouTube for vids on pulling calipers apart etc for refurb but all calipers i see are singles? (piston on one side only) What do you call the ones we have with two pistons? Standing by for probably an obvious answer 
Cheers, CJ |
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| Author: | The Duckmeister [ Thu Dec 06, 2012 8:30 pm ] |
| Post subject: | |
You'd never guess, but hey, they're twin-piston calipers! 
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| Author: | womble99 [ Thu Dec 06, 2012 8:50 pm ] |
| Post subject: | |
The Duckmeister wrote: You'd never guess, but hey, they're twin-piston calipers!
See i told ya I was expecting an obvious answer  pity it didn't help with the YouTube search though  still only finding single piston jobbies.
Can't see there could be much difference in the refurb between the two though? One way to find out 
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| Author: | 1071 S [ Thu Dec 06, 2012 9:20 pm ] |
| Post subject: | |
I've been told - but not done it myself...... I'm told that you should not split the callipers. The fluid flow from one half to the other is sealed by an unusual square sectioned O ring. Scuttlebutt is that these are somewhat rare (never looked myself). Cheers, Ian |
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| Author: | drmini in aust [ Thu Dec 06, 2012 9:44 pm ] |
| Post subject: | |
Cooper and cooper S calipers are also sealed by a `square section O-ring'. Only the size of it varies. IMO only masochists would rebuild calipers without splitting them..
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| Author: | Rob1970 [ Fri Dec 07, 2012 2:20 am ] |
| Post subject: | |
http://www.minis.com.au/minis/catalog/product_info.php?cPath=31&products_id=604 Caliper seals are available new for $5. Worth it i'd say. |
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| Author: | womble99 [ Sun Dec 09, 2012 7:23 pm ] |
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Hmm well i have cleaned and repainted the calipers, next to pull the pistons out and fit the new kit. Slight problem, I can't get the pistons to budge 
Looking on the web the recommendation is to apply air to blow them out, only problem is I don't have a compressor. best I could find was 50psi from a tyre inflator but it didn't budge em. Is there another way to get them out without connecting it to the car? |
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| Author: | drmini in aust [ Sun Dec 09, 2012 7:34 pm ] |
| Post subject: | |
Grease gun... way more pressure than an airline. 
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| Author: | womble99 [ Sun Dec 09, 2012 8:02 pm ] |
| Post subject: | |
drmini in aust wrote: Grease gun... way more pressure than an airline.
lol, then you just have to clean the grease out
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