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displaying posts 1 to 15 of 15
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 clen666
Seasoned Pro  Location: Co. Durham Registered: 12 Feb 2009 Posts: 2,401 Status: Offline |
Post #1
After a bit of advice on powder coating a set of calipers (renault brembos) please.Which areas need to be masked off prior to coating? I know the threaded parts need to be but what about around the pistons? Should the whole interior face be masked off? Thanks for any advice ________________________________________ Team 'unintentional rat look' |
 Posted 12th Aug 2011 at 01:38
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cappy01
Regular  Location: appleby Registered: 16 Feb 2011 Posts: 236 Status: Offline |
Post #2
personally i would mask all the inside. your pads will rub the coating off anyway and keeps the piston and seals free from contamination. |
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Posted 12th Aug 2011 at 01:41
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owain
Seasoned Pro  Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #3
I had mine done last week, removed all the seals and the guy did a decent enough job of masking up just the right bits. Went round a couple of bits with some emery cloth afterwards, and you'll need to file down the bits either side of the pad, else the pads won't fit. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 12th Aug 2011 at 02:45
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clen666
Seasoned Pro Location: Co. Durham Registered: 12 Feb 2009 Posts: 2,401 Status: Offline |
Post #4
Owain I see on your project thread that the insides are fully coated on yours.Would you recommend just masking the whole of the inside off to save having to file bits down, or is it really not that big of a job? It does look smart having the whole lot done ________________________________________ Team 'unintentional rat look' |
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Posted 12th Aug 2011 at 14:19
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pugheaven
Seasoned Pro  Location: Fareham Registered: 17 Dec 2006 Posts: 4,602 Status: Offline |
Post #5
The problem is once they go onto the oven the seals will most likely get damaged, remove the pistons and seals then mask the inside of the galilee for extra peace of mind! |
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Posted 12th Aug 2011 at 16:12
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #6
That's exactly what I did, they won't be able to powder coat them with the pistons and seals in as the rubber would melt. Remove pistons, remove the outer AND inner seals, they should then be able to mask them up enough. My guy did a decent job of masking up the necessaries, just a bit of work to clean them up. If you have a Dremel it takes about a minute to clean up the bits where the pads need to go, if you don't then it'd be more of a mission and I'd probably mask it up beforehand. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 12th Aug 2011 at 16:46
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clen666
Seasoned Pro Location: Co. Durham Registered: 12 Feb 2009 Posts: 2,401 Status: Offline |
Post #7
yes the calipers will be fully stripped and I do own a Dremel!I didnt realise the powder coaters will mask them up for you, thought I'd need to do all the prep work myself? ________________________________________ Team 'unintentional rat look' |
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Posted 12th Aug 2011 at 17:52
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #8
They have to do it themselves, normal masking tape would burn. I roughly masked up the areas just to show him, but he removed it all and did it himself with the £30-a-roll stuff.________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 13th Aug 2011 at 00:35
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clen666
Seasoned Pro Location: Co. Durham Registered: 12 Feb 2009 Posts: 2,401 Status: Offline |
Post #9
Ah I see.I'll go and have a word with them then, I'm sure they will have done calipers before so will no doubt know what to do! Thanks for the advice chaps ________________________________________ Team 'unintentional rat look' |
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Posted 13th Aug 2011 at 00:39
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #10
Yeah, the place I went knew the score, well worth a chat first. I just put very roughly bits of masking tape so he knew which bits to avoid, then they mask it up properly for you, generally all part of the service. In fact as most of the time involved is in the setting up and masking, they did the rear pad carriers for free while they were there. They may also offer you a discount if you're willing to leave them there until they have a batch of work all in the same colour  ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 13th Aug 2011 at 02:57
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clen666
Seasoned Pro Location: Co. Durham Registered: 12 Feb 2009 Posts: 2,401 Status: Offline |
Post #11
Some good advice there owain, never thought about waiting for a batch to be done  ________________________________________ Team 'unintentional rat look' |
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Posted 13th Aug 2011 at 18:45
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coskev
Seasoned Pro  Location: Oswestry Registered: 01 Nov 2009 Posts: 3,132 Status: Offline |
Post #12
I made the mistake once of not telling a local powdercoaters I wanted threads etc masking Right pain in the arse after re-tapping them  Not all powdercoaters do it right  ________________________________________ Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........Mac1 ZR R1 kit car build in progress. |
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Posted 16th Aug 2011 at 03:18
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #13
I masked mine roughly, like *really* roughly. Check the one at the back. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 16th Aug 2011 at 03:21
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clen666
Seasoned Pro Location: Co. Durham Registered: 12 Feb 2009 Posts: 2,401 Status: Offline |
Post #14
I think I'll do similar to your masking then owain.Is pressure washing the calipers suitable? I assume so if seals are replaced? ________________________________________ Team 'unintentional rat look' |
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Posted 16th Aug 2011 at 05:39
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #15
To be honest, there's not much point. I soaked mine in decent degreaser to get rid of as much as possible, but you won't get it all no matter what you do. Luckily that doesn't matter, as the powder coating place will shotblast them for you anyway as they need them to be completely grease-free. Make sure they only use fine bead though not the big machines, else they'll completely destroy them. As long as you find a reputable place you'll be fine - as a rough guide the guy who did mine did the cleaning, shotblasting, masking and painting of the front calipers *and* the rear pad holders for £50 all-in, took about a week. I'd definitely replace the seals, mine were a b*tch to get out and I can't imagine you could guarantee you don't damage them in the process. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 16th Aug 2011 at 13:33
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