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Old 11-14-2005, 03:38 PM   #1
uber e36
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How To: Remove Calipers for Powdercoating

Hey,

Anyone removed their calipers before? I want to take mine off to get powdercoated. I know it involves bleeding the brakes, which I've never done but have been told with good instructions is relatively easy...

Thanks!

-Geoff
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Old 11-14-2005, 03:56 PM   #2
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remove the brake pad clip

remove the caliper by taking out the two torx bolts int the back...

remove the pads

open the brake bleeder valve. then disconnect the brake hose draining the brake fluid into a container. (FYI, this may be a good time to flush your brake fluid completely and put in new one)

You will need to bleed the brakes when you install them again.

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Old 11-14-2005, 07:16 PM   #3
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Here: http://www.pelicanparts.com/bmw/tech...Brake_Pads.htm

Since you'll be removing the calipers completely, remember to crack the brake line loose before you do anything. It's quite a PITA to try to do this when the caliper is hanging in mid air! Also, there's no swivel on the brake line so you will have to physically turn the caliper (which will be covered in brake fluid and very slippery by now) in order to detach the line.

I've done this more than once, so just ask if you get stuck.

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Old 11-14-2005, 07:18 PM   #4
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Quote:
Originally Posted by JazzM
remove the caliper by taking out the two torx bolts int the back...
It's a 7mm hex/allen bolt, not a torx. (I just did mine a couple weeks ago and the e34 last week)
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Old 11-14-2005, 07:58 PM   #5
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So in that writeup they just have the calipers hanging... In my case where I want to take the calipers to get powdercoated, do I have to clamp the hose carrying the fluid and then remove it from the caliper?

thinair - did you see my post in the sightings section? i think i saw you up in bradford a few weeks ago when I went to clean out my car's winter den...
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Old 11-14-2005, 08:12 PM   #6
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Quote:
Originally Posted by thinair
It's a 7mm hex/allen bolt, not a torx. (I just did mine a couple weeks ago and the e34 last week)

I saw that too. I think poor Jazz (still devastated by his loss to Revshot) was just a bit confused? Don't worry, it'll pass.

But you bring up a good point, make sure you have the 7mm allen driver before you start doing this. It's not commonly found in most tool kits so you may have to but it seperately. I think it's like $5 at CT.
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Old 11-14-2005, 08:31 PM   #7
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Quote:
Originally Posted by geoff@bmw
So in that writeup they just have the calipers hanging... In my case where I want to take the calipers to get powdercoated, do I have to clamp the hose carrying the fluid and then remove it from the caliper?
I've recently heard of someone using a golf tee to cap his brake line. I usually just wrap the end tightly in aluminum foil and put up with the drips (and it does drip). But since your calipers will be off the car for quite a while, you don't want all your fluid to drain out because it's a bit of a pain to properly bleed the system afterwards. I suggest you just wrap a rag around the line and use a small pair of Vice-Grips. Don't squeeze too much or you'll damage the line! It takes very little pressure to close off the brake line.

MP
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Old 11-14-2005, 08:43 PM   #8
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Now this begs a whole new question...

My car is currently on it's tires (high pressure with 4 layers of carpet). I've heard that if I'm going to jack my car up and take the wheels off, it should be held from under the suspension so that it's in it's "normal resting position".

Any guidance on how/what to use? Jackstands? Where exactly do I put them so that I don't damage my brakes/suspension?

Thanks.
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Old 11-14-2005, 10:09 PM   #9
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i did it without bleeding my brakes .....easy stuff
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Old 11-14-2005, 10:10 PM   #10
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just take a clamp and push the pad back .....just open your cap when u do this ...slides right on ...least ammount off work
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Old 11-14-2005, 10:42 PM   #11
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Powdercoating calipers

Hey geoff@bmw,

Where are you getting your calipers powdercoated and how much are they charging you ?
I would like to do the same to mine.

Thanks.
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Old 11-14-2005, 11:04 PM   #12
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I strongly suggest rebuilding the calipers at this point! A plase by my shop does them for $40 each...They get them sandblasted, all new seals, bleeder screws, etc...They look like brand new after. It will save you time and $$$ in the long run...since you cant powdercoat over rust anyways...
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Old 11-14-2005, 11:23 PM   #13
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Can you give me the name and number of the shop ?

Thanks
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Old 11-15-2005, 08:41 AM   #14
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Both my cars have torx... the z3 with M3 front brakes and the e30. Axxe was very suprised by that too..

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Old 11-15-2005, 08:44 AM   #15
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Quote:
Originally Posted by Eurostyle
I strongly suggest rebuilding the calipers at this point! A plase by my shop does them for $40 each...They get them sandblasted, all new seals, bleeder screws, etc...They look like brand new after. It will save you time and $$$ in the long run...since you cant powdercoat over rust anyways...
do u think they would do them for 40 for my audi also ?? if so im interested in all 4 !
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