View Full Version : Question about brake caliper painting - what parts not to paint
eljay
03-30-2016, 10:06 AM
I have a set of used stock B7 calipers off the car. I will be cleaning them up and then I plan to paint them black with a Duplicolor brush-on kit.
Should I only paint the outer half of the caliper or also the aluminum half that houses the piston? If only half, do I need to disassemble it into the halves?
Also, is it OK to paint the inside of the caliper where the pads sit or should that be avoided because the pads need to slide on those surfaces?
Thanks!
Never take it apart. You can paint everything but the piston/dust boot/bleed nipples.
eljay
03-30-2016, 12:08 PM
Well, I want to replace piston seals and dust boots as part of the rebuild anyway, so I'm just wondering if I should take the two halves apart and paint just one. It will be tough to paint around the screws without taking them out.
Well, I want to replace piston seals and dust boots as part of the rebuild anyway, so I'm just wondering if I should take the two halves apart and paint just one. It will be tough to paint around the screws without taking them out.
You dont need, nor should you take them apart for a rebuild.
rongeur
03-30-2016, 12:40 PM
I took mine apart for powder coating, shouldn't be a huge deal. I would use new bolt and make sure to torque them down correctly, consider blue or red loctite.
I did a full rebuild for some s4 calipers, fronts and rears and they were pretty grungy.
vwnobby
03-30-2016, 12:42 PM
Not disagreeing with Axis, but I media blasted mine, then cleaned them up, took them apart, had them powder coated and put back together. complete rebuild. No issues since.
If I were to do it again though, I would keep them together and just paint them.
http://www.audizine.com/forum/showthread.php/472672-What-Did-You-Do-To-Your-B7-Today?p=7845742&viewfull=1#post7845742
I was only saying that because ate states that these should not be taken apart. I know it can be done, I've done it myself in the past.
Edit : Here I linked your images :P
http://i13.photobucket.com/albums/a273/vwnobby/IMG_20120804_113545.jpg
http://i13.photobucket.com/albums/a273/vwnobby/IMG_20120804_113834.jpg
I had a set powder coated without taking them apart (Potato quality)
http://images.tapatalk-cdn.com/15/12/18/cd645bd0d1180a3402dc38cdabc7636c.jpg
vwnobby
03-30-2016, 01:11 PM
Edit : Here I linked your images :P
Thanks [:D]
I couldn't find the proper torque specs for the bolts afterwards so it's tough to judge how much to tighten them.
Again, if I were to do it again, I'd keep them together. Only added benefit (not a huge one) was that I was able to paint the bolts silver. You know, the bolts that are on the back side that no one will ever see once the caliper is mounted. :P
Thanks [:D]
I couldn't find the proper torque specs for the bolts afterwards so it's tough to judge how much to tighten them.
Again, if I were to do it again, I'd keep them together. Only added benefit (not a huge one) was that I was able to paint the bolts silver. You know, the bolts that are on the back side that no one will ever see once the caliper is mounted. :P
There's no torque specs available from ATE hence why you didnt find them ;) I powder coated those bolts lol F.it.
I just emptied them, removed piston, dust boot and piston seal. Sandblasted to a smooth finish (you can almost see the mirror finish on my picture taken with a potato) and powder coated piano black.
Diagnastociator had a great post somewhere with the reasosn why these should'nt be slit in halves but I cant find it
eljay
03-30-2016, 01:30 PM
Thanks guys! I'm not looking to invent extra work if it's not needed. I just saw some folks painting only the outer half and then I saw this DIY (http://www.audizine.com/forum/showthread.php/250754-20-Steps-To-B7-Brakes) with the half removed.
I will paint the whole thing as I want to keep it from getting nasty again.
Any issues with painting the insides where the pads slide? How are your surfaces holding up there?
vvenom800tt
03-30-2016, 01:39 PM
Dont use a brush on kit, its a pain in the ass, ask me how i know.
Just spray them
eljay
03-30-2016, 01:46 PM
I know spray would be better, but from my experience, unless you build a spray booth, it goes EVERYWHERE even if you don't see it. And I don't want to be covering everything in the garage nor do I want to spray outside and have the wind take it to my siding and windows.
vwnobby
03-30-2016, 01:51 PM
Any issues with painting the insides where the pads slide? How are your surfaces holding up there?
Mine are holding up, but I think since I went with a matte finish powder coat all the brake dust has built up on the textured surface so it doesn't look as nice as it used to. I have my old set that I'm thinking about painting. Still have a G2 caliper paint kit sitting in my garage and I may try that.
eljay
03-30-2016, 02:43 PM
Did you clearcoat the matte black?
Also, since I have all the caliper rebuild gurus here, which brand of seals did you use? Centric kits are $5 at Rock Auto, while Ate kits are $25.
vwnobby
03-30-2016, 04:46 PM
Did you clearcoat the matte black?
Also, since I have all the caliper rebuild gurus here, which brand of seals did you use? Centric kits are $5 at Rock Auto, while Ate kits are $25.
Nah, I didn't clear coat. Didn't think of it since it was powder coated.
I used OEM seals since I had a friend who worked at the dealer. I also decided to go with the Tyrol stiffening kit while I had everything apart.
Denio24
03-30-2016, 06:51 PM
@Axis Any idea why these calipers shouldn't be rebuilt.....not just b/c ATE says so? And... do you have references to where you found that out?
@Axis Any idea why these calipers shouldn't be rebuilt.....not just b/c ATE says so? And... do you have references to where you found that out?
I never mentionned they should'nt be rebuilt. I rebuilt two sets with news seal and dust boot.
I said they should'nt be slit in half.
eljay
03-30-2016, 07:14 PM
Nah, I didn't clear coat. Didn't think of it since it was powder coated.
I used OEM seals since I had a friend who worked at the dealer. I also decided to go with the Tyrol stiffening kit while I had everything apart.
I would love to get the Tyrolsport kit too. I cannot find it anywhere in Canada. :( And with the current exchange rate and who knows how much for shipping, it will be close to CAD$160. I'm sure they are worth it, but I find that a bit too much for a set of bushings and pins. I'll have to decide... I'll probably bite the bullet in the end.
rongeur
03-30-2016, 08:24 PM
Did you clearcoat the matte black?
Also, since I have all the caliper rebuild gurus here, which brand of seals did you use? Centric kits are $5 at Rock Auto, while Ate kits are $25.
I used Centric. If they fail, I will go Ate but centric makes most blanks for other name brand companies (rotor wise) so I assume the similar goes for other parts. I have no official evidence to back that up but I have had three sets of centric rotors and they have all been better excellent.
Mister W
03-31-2016, 06:09 AM
Have to paint mine soon. I was about to spray them on the car but it would do a better job to remove them. But i dont know how to disconnect the caliper from the line and how do you do to not lose the oil. Do you have to bleed them after?
thx
Denio24
03-31-2016, 06:12 AM
Get a flare wrench and when removing the fitting apply pb blaster. Sometimes the line gets fused to the nut so slowly work the nut back and forth. Just apply a cap to the line so the master cylinder doesnt go empty. The brakes will have to be bled.
Sent from my SM-G920P using Tapatalk
@Denio24 : I found the link where John mentions they should'nt be split in halves : Clicky Click (http://www.audizine.com/forum/showthread.php/667492-s4-caliper-rebuild)
The B6 S4 and B7 A4 front calipers should not be fully disassembled. Do not seprate the alumimum section from the iron part of the caliper.
There is no reason to break the caliperes down that far. Use a 6" 2 X 4 to block the piston when removing with compressed air.
The calipers are assemblies of aluminum and iron. The two parts are bolted together, do not unbolt and seperate the two main caliper components. To rebuild and powder coat, disassemble the piston from the caliper cylinder, revome the piston seals, and mounting hardware. Avoid glass beading the caliper parts.
http://www.audizine.com/gallery/data/500/573.JPG
Do not remove the bolts on the side, and seperate the aluminum part fro the iron black colored part.
The manufacturer, Ate, advises that seperating the two main caliper parts is not allowed. I don't know the details about why this is the case. I am sure there are technical reasons for this.
From Audi: "With the exception of "replacing brake pads" Brake Pads, FNR- G 60 (Front Brakes) , and "Servicing front brake caliper" , no repairs may be performed on the brake caliper."
None of the service procedures show the caliper disassembled, and there is no torque specification provided for the four large torx bolt holding the caliper together.
There are a few special tools shown for reassembling the piston into the caliper cylinder, with specific details about correctly installing the new seal and dust boot.
Since Audi does not provide any re tightening specs for the four torx bolts holding the caliper aluminum and iron parts together, and states that no repairs to the caliper itself are allowed, those two facts are consistent with the manufacturers information from Ate (Ahh-Tay, originally Allen Tevis, ) saying the caliper is not supposed to be disassembled.
Charles.waite
03-31-2016, 08:40 AM
It's drives me nuts that that stupid DIY hasn't been edited or removed. So so dumb...
rongeur
03-31-2016, 12:55 PM
I agree with Axis and not trying to keep the argument / discussion going, but there are plenty of things that we disassemble on our cars that we do anyway...
Diverter valve disassembly to install GFB internals..
Any HPFP unit to install aftermarket internals...
Definitely not advertising that everyone should split their calipers apart, but we shouldn't be fearful to do so if we have a reason to do so. Being mechanically inclined and using good common sense is always a must, especially with brakes.
Google searching for ATE brake rebuilds (other platforms) will advise between 20-30N/m torque for the bolts. Protect yourself with some loctite and double check the torques after bedding in new pads should be more than sufficient to ensure a good seating of the halves. Anything you do to your car outside of manufacturer design is taking a risk in some form or another.
Charles.waite
03-31-2016, 12:57 PM
I agree with Axis and not trying to keep the argument / discussion going, but there are plenty of things that we disassemble on our cars that we do anyway...
Diverter valve disassembly to install GFB internals..
Any HPFP unit to install aftermarket internals...
Definitely not advertising that everyone should split their calipers apart, but we shouldn't be fearful to do so if we have a reason to do so. Being mechanically inclined and using good common sense is always a must, especially with brakes.
Google searching for ATE brake rebuilds (other platforms) will advise between 20-30N/m torque for the bolts. Protect yourself with some loctite and double check the torques after bedding in new pads should be more than sufficient to ensure a good seating of the halves. Anything you do to your car outside of manufacturer design is taking a risk in some form or another.
Oh absolutely. But recommending the random person googling a brake pad replacement DIY to separate the caliper halves is idiotic.
I agree with Axis and not trying to keep the argument / discussion going, but there are plenty of things that we disassemble on our cars that we do anyway...
Diverter valve disassembly to install GFB internals..
Any HPFP unit to install aftermarket internals...
Definitely not advertising that everyone should split their calipers apart, but we shouldn't be fearful to do so if we have a reason to do so. Being mechanically inclined and using good common sense is always a must, especially with brakes.
Google searching for ATE brake rebuilds (other platforms) will advise between 20-30N/m torque for the bolts. Protect yourself with some loctite and double check the torques after bedding in new pads should be more than sufficient to ensure a good seating of the halves. Anything you do to your car outside of manufacturer design is taking a risk in some form or another.
I agree, I was just mentionning it wasnt necessary to split them to paint them or even to powder coat them. As mentionend earlier I split some ATE caliper down myself, looked everywhere for torque specs and ended on the thread I linked above. I did like you did, used red loctite and might of torque them to a bit more then 30N/m lol
Btw, I have upgraded hpfp internals and a DV+ :)
And that DIY should definitely by closed/taken down. I think I'll take pictures next time I remove my B7 brakes (For ever) and submit a DIY to Kristokes.
eljay
04-14-2016, 06:51 PM
Another silly question... I started removing rust from the calipers with a cup wire brush that's steel, but brass plated. The surface quickly becomes smooth, but what was before a rust spot is now a dark black spot after going over it with the wire brush on a drill. Do I need to keep at it until the spots disappear and there's nothing but shiny clean metal or is what I have sufficient and can I paint it?
I'll post a pic later if it would help.
vvenom800tt
04-14-2016, 06:54 PM
I dont think its gonna become shiny metal as its a cast part. Just sand it down until its bare metal and somewhat smooth. Then just brake clean that bitch and start priming
vwblackb5
04-14-2016, 06:56 PM
Photo of what not to do
http://i8.photobucket.com/albums/a12/Phrost786/redrotors4.jpg
Charles.waite
04-14-2016, 07:09 PM
Wait..... That's real? As in someone actually did that? Jesus....
eljay
04-14-2016, 07:15 PM
Photo of what not to do
http://i8.photobucket.com/albums/a12/Phrost786/redrotors4.jpg
Hey, where did you find the photo of my brake paint job??!! .[;)]
LOL
I've seen that picture before and it still makes me laugh.
eljay
04-14-2016, 07:29 PM
Here is what I meant by those dark spots.
http://i58.photobucket.com/albums/g258/s2photo/Avant/20160414_210147.jpg
It seems that once I went over the surface with the brass-coated wire brush it becomes kind of "oily" and shiny and makes it harder to remove those dark spots, which are essentially the rust spots, but sort of "sealed over" by the brush action. I hope that makes sense.
Do I need to keep grinding until they are gone before painting? If I paint over this (after cleaning the surface, of course), do I risk paint flaking off in those spots or will the paint seal it further and be fine?
Thanks!
vvenom800tt
04-14-2016, 08:39 PM
If i were you, with that much rust i would take them to a powdercoat place and have them media/sand blasted. Then just pay them to powdercoat them. Its so much easier and it holds up 100 times better than rattlecan.
I regret not powdercoating my rears
Charles.waite
04-14-2016, 10:34 PM
Or just brush on Evaporust. Then prime and paint.
eljay
04-15-2016, 04:40 AM
If i were you, with that much rust i would take them to a powdercoat place and have them media/sand blasted. Then just pay them to powdercoat them. Its so much easier and it holds up 100 times better than rattlecan.
I regret not powdercoating my rears
You guys are not giving me much hope! lol
This is my daily driver, so I was hoping not to spend a ton of cash on new brakes, but it seems to be heading in that direction. I just cannot find someone in the area who would do it and I don't have anyone I know in the this magic trade. :(
I'll keep trying though, because this is turning out to be a giant PITA.
As bad as they were rusted, the pistons came out easily and there's not a speck of rust on them or the bore and the e-brake mechanism operates freely, although I will be replacing all of those seals.
eljay
04-15-2016, 04:44 AM
Or just brush on Evaporust. Then prime and paint.
Did you mean POR-15 or similar rust paint? To use Evapo-rust, you must soak/submerge the part in it or otherwise keep the parts wet with the stuff to allow it to work. In fact, the caliper you see in the picture has been submerged in Evapo-Rust for one week! It works, but it's expensive and I think I'd need another 2 gallons of the stuff to get these cleaned, so I gave up on it for this project.
So, are those black spots still an issue then?
Charles.waite
04-15-2016, 07:06 AM
Ideally you submerge it. But the instructions say you can brush it on as well. It will still do a decent job of converting the rust. That what I did on my calipers. They're weren't as rust as yours but were fairly similar. The Evaporust worked well.
martin0079
04-15-2016, 08:08 PM
Well their are other options. Like just ordering reman calipers and sending in that rusted one for the core. That is sort of what I did. None of my calipers are bad though just changing out to S4 brakes. It was the cheapest way I found to get the carriers and I don't have to take them off the car and wait for paint. I haven't done the swap yet just getting all the parts in right now. Once I have them in I am bringing the calipers to a local epoxy painter.
Denio24
04-15-2016, 08:31 PM
On my old b6 i just built a blast cabinet, blasted with glass/ walnut media, disassembled, and washed the caliper out with mineral spirits. After that took another wipedown with wax+grease remover. Then I masked, painted, and assembled. Much better result than just painting on the rotor, and cheaper than powder coating.
eljay
04-16-2016, 05:01 AM
Well their are other options. Like just ordering reman calipers and sending in that rusted one for the core. That is sort of what I did. None of my calipers are bad though just changing out to S4 brakes. It was the cheapest way I found to get the carriers and I don't have to take them off the car and wait for paint. I haven't done the swap yet just getting all the parts in right now. Once I have them in I am bringing the calipers to a local epoxy painter.
Well, I priced it out and it would cost me a lot more than I'd like to spend. I'm in Canada, so shipping cores back kills the reman deal. Also, FYI, I bought this used set to put onto my B6, so I'd have to add the price I've already paid for them into the equation.
I managed to get one quote for sandblasting and powdercoating and it's $200. Hoping to get it a bit cheaper, but that's not bad and I think I will just go with that.
I just bought the rotors too (Ate PremiumOne) and I will be getting the Posi-Quiet Ceramic pads, I think.
Of course, after I bought the rotors a set of front B6S4 calipers and carriers shows up for sale!! This is a daily driver, but S4 front brakes are tempting. But I'd have to return these rotors and get something more expensive for the front. I know that I can just get the carriers from the B6S4 brakes and run the larger 345mm rotor with my B7A4 caliper. I think I will just stick with my B7 brakes. Ah, decisions.
B7 front brake calipers coupled with B6/B7 S4 carriers to run a 345mm rotor might require some grinding on the caliper to clear the rotors.
People tend to think they're exactly the same but they dont have the same part number and are a bit different.
I paid 50$ per caliper to have them powder coated, if the 200$ you previously posted is for 4, its reasonnable imo
eljay
04-17-2016, 05:04 AM
Thanks. I've slept on it and decided that I'm done deciding and I'm keeping what I have. :)
B7A4 setup will be a sufficient upgrade for me and keeps things simple for future rotor options.
And yes, that price was for all 4.
B6 with a B7 setup all around is plenty, the original brake setup on a B6 is ridiculous for such an heavy car.
eljay
06-03-2016, 05:51 PM
Sooo, I thought I'd keep asking my questions here.
OK, I need some help!<br />
I took out the pistons from all calipers and they were nice and clean including the bores. The rear calipers were horribly rusted on the outside as posted above. So, I got all the calipers sandblasted and powdercoated and I just got them back. However, it seems that my powdercoater was lazy and did not cover the bores before sandblasting as there's lots of sand inside the bores, especially in the rear calipers that have the e-brake mechanism with its circlip etc. Not good! [headbang]
Also, I removed the bleeder screws from the rear calipers as they were quite rusted, but I managed not to break them. The fronts, I left in. But again, the guy did not cover them, so they are powdercoated in place! [facepalm] I was planning to install new ones, so the only problem is how to get them out. I think I will have to carefully chip the powder around their base before I try to turn them so I don't snap the top half off. But here's my main question/issue: how do I get rid of the caked on sand and clean the inside of the rear caliper bores and the e-brake screw/mechanism? I will try to get out what I can, but is there anything I use to flush the caliper to get the sand off the walls and the screw? Audi manual say to use mineral spirits to clean the pistons. Will that or brake cleaner get the sand off too and nor ruin the powder finish?
I wasn't planning to replace the e-brake seals, but now it sounds like a good idea to do (I have the full seal kit), huh? The only problem is that the nut holding the e-brake levers is... yep, you guessed it - powdercoated in place! [headbang]
Help me please!
vwnobby
06-05-2016, 01:24 PM
Wow! When I got my fronts powder coated, the guy took good care to cover and plug all the holes. Sounds like your guy was indeed very lazy.
I would try maybe using a small wire wheel (maybe on a Dremel) and try to remove the coating around the bleeder screws.
As for the sand, I would think brake cleaner would be enough to flush out the sand. I've used brake clean on my powder coated calibers and it didn't damage anything.
However, I'd be more concerned with the surface of the bore. Hopefully he didn't damage the walls.
Maybe try using compressed air to get under the caked on media?
Good luck and keep us posted.
Charles.waite
06-05-2016, 02:14 PM
Dude bring that shit back. And make them completely clean the inside of the calipers. That is insanely dangerous for morons like that to be sending brakes with sand in them back to customers. I would give them hell and demand that they do it again and do it properly.
eljay
06-05-2016, 06:30 PM
Wow! When I got my fronts powder coated, the guy took good care to cover and plug all the holes. Sounds like your guy was indeed very lazy.
I would try maybe using a small wire wheel (maybe on a Dremel) and try to remove the coating around the bleeder screws.
As for the sand, I would think brake cleaner would be enough to flush out the sand. I've used brake clean on my powder coated calibers and it didn't damage anything.
However, I'd be more concerned with the surface of the bore. Hopefully he didn't damage the walls.
Maybe try using compressed air to get under the caked on media?
Good luck and keep us posted.
Well, I messed with them yesterday and today. I managed to take the rears apart completely and flushed the ebrake mechanism with mineral spirits and it's very clean, so I'm hopeful that the rest of the caliper will clean up nicely too. I just hope not to remove the powdercoating, so I will likely do it with a rag rather than washing.
Thankfully, the ebrake screws came off nicely and so did the bleeder screws from the front calipers. It looks like the bores were covered, but not very well and whatever got inside got baked, which would explain some of the packed sand. I say that the bores were covered because the walls are not damaged, just a bit dusty. I imagine if they are not covered and a sandblasting gun would slip by, it may have left some marks, but all is well there at least.
So, I wasn't planning on removing the ebrake mechanism, but now I did, so I will put in those new seals.
I spent most of today trying to find a local equivalent for Castrol Red Rubber Grease to coat the seals and pistons, but had no luck. It's amazing that Car Quest, NAPA, Canadian Tire, Home Depot have not heard about caliper assembly lube. They all tried to sell me the regular slide pin lubricants. Crazy. At least one person knew, but pretty much told me to go to the dealer, which I may just do and pay some crazy price for the OEM white lithium grease. But I want it to work right.
Incidentally enough, when I removed the ebrake assembly from the rear calipers, the circlip from the Centric rebuild kit is completely wrong size, but the rest of the kit looks to be the correct size. It is the correct part number for rear B7 brakes (143.33032). Go figure. I will just re-use the original circlips, so no big deal.
I'll try and document the rear caliper rebuild for everyone later.
Quite an adventure this, but I want to make absolutely sure everything is perfect before I put the car on jackstands and attempt the swap.
eljay
06-05-2016, 06:34 PM
Dude bring that shit back. And make them completely clean the inside of the calipers. That is insanely dangerous for morons like that to be sending brakes with sand in them back to customers. I would give them hell and demand that they do it again and do it properly.
I probably should. Shame on me that I didn't check everything when I picked them up, but I've never took brakes apart before, so honestly, I didn't know whether this is going to be an issue or not. Seems obvious now, but I'm learning here.
The price was very good, but it was done by a guy with good references who does a good job and even makes custom brake lines. So, not a random person with a sandblaster at home. The powdercoating looks good. I just think that either he or whoever works with him were rushing this, but still, it takes 30 seconds to cover all openings on the calipers.
eljay
06-07-2016, 06:33 PM
Just so I'm ready for the brake swap... a quick question for the experienced folks here: after putting the caliper together, do I just connect it and bleed normally or should I fill the caliper with brake fluid before connecting the brake line? I think I should fill it so there isn't this big air pocket that can drain the fluid from the master cylinder rapidly during bleeding. Or do I just fill up my Motive Bleeder with 1L of fluid and after replacing all 4 calipers and brake lines, do the normal bleeding procedure? Will that keep the fluid in the reservoir and master cylinder at all times?
Alternatively, if I fill up the calipers, I will probably not have enough fluid left to do a complete flush, correct? I'd like to do the clutch slave too.
vwnobby
06-07-2016, 07:34 PM
Since the calipers will be compressed all the way when you install, it shouldn't be an issue. I just installed the calipers, then the lines. Added fluid to my Motive Bleeder and did a normal flush procedure. Passenger rear (until bubbles stopped), driver rear (until bubbles stopped), passenger front, driver front. Then I did one more quick go around after a quick drive. Worked out fine for me.
eljay
06-08-2016, 03:49 AM
Since the calipers will be compressed all the way when you install, it shouldn't be an issue. I just installed the calipers, then the lines. Added fluid to my Motive Bleeder and did a normal flush procedure. Passenger rear (until bubbles stopped), driver rear (until bubbles stopped), passenger front, driver front. Then I did one more quick go around after a quick drive. Worked out fine for me.
Thank you. Did you loose much fluid during the swap?
I'm thinking of leaving the reservoir cap on for the swap to prevent gravity draining the fluid.
Do you recall how much fluid did you fill into the Motive bleeder and how much was left after the whole process? I think my 1L should be enough.
vwnobby
06-08-2016, 11:14 AM
No I didn't lose much. Definitely keep the cap on the reservoir for the reason you mentioned. Keeping it closed will minimize fluid loss, but it will drip. Try kepping the fitting end of the line elevated, that helped as well.
I had a 1/2-3/4 full bottle of Ate brake fluid and I think that's all I needed, with some left over.
eljay
06-14-2016, 05:25 AM
No I didn't lose much. Definitely keep the cap on the reservoir for the reason you mentioned. Keeping it closed will minimize fluid loss, but it will drip. Try kepping the fitting end of the line elevated, that helped as well.
I had a 1/2-3/4 full bottle of Ate brake fluid and I think that's all I needed, with some left over.
Thank you. I think I will fill the reservoir to the max with fresh fluid, then close it and then disconnected the brake line at the caliper as I'm running low on fluid currently. Any idea how much fluid comes out of each brake line before fresh fluid comes out? I ask because I had to recently top up my brake fluid due to a leaking rear caliper, so I'm not sure I will be able to tell the difference between new and old fluid when I bleed and OEM fluid is clear afaik.
vwnobby
06-15-2016, 07:47 PM
I don't know to be honest, I just flush until the darker stuff is out and no more bubbles. I think when I replaced my rears with S4 calipers and bled all four corners, I filled one of the Motiv catch bottles about 1/2-3/4 of the way.
Sanjman
06-18-2016, 09:54 AM
The process is super simple with a motiv power bleeder:
1. Use a turkey baster and suck up as much old fluid as possible.
2. Connect the empty motiv power bleeder and pump and make sure there are no leaks. Release pressure and fill the bleeder up, I would start with half a can of the fluid.
3. Pump and pressurize up to 15psi
4. Remove the dust boot from the bleeder valve, Hook the drain tube, use a wrench to open the valve and let it drain out into a can until the fluid runs clear. I usually wait 5-10 seconds after just to make sure it's been flushed. Tighten the nut and move on to driver side rear then passenger front then drivers front re pumping in between to maintain at least 10 psi pressure.
Release pressure slowly then top off. Done
Sent from my SAMSUNG-SM-G925A using Tapatalk
DanKing
06-18-2016, 11:42 AM
http://uploads.tapatalk-cdn.com/20160618/7172ec0545a599cdb5f79fd3f605e780.jpg
What would I need to make this steering wheel fully work ? Airbag and control wise.... Plug and play (I hope) ??
eljay
06-18-2016, 11:48 AM
http://uploads.tapatalk-cdn.com/20160618/7172ec0545a599cdb5f79fd3f605e780.jpg
What would I need to make this steering wheel fully work ? Airbag and control wise.... Plug and play (I hope) ??
You would need to start a new thread, so you get some relevant responses. :)
eljay
06-18-2016, 11:48 AM
The process is super simple with a motiv power bleeder:
1. Use a turkey baster and suck up as much old fluid as possible.
2. Connect the empty motiv power bleeder and pump and make sure there are no leaks. Release pressure and fill the bleeder up, I would start with half a can of the fluid.
3. Pump and pressurize up to 15psi
4. Remove the dust boot from the bleeder valve, Hook the drain tube, use a wrench to open the valve and let it drain out into a can until the fluid runs clear. I usually wait 5-10 seconds after just to make sure it's been flushed. Tighten the nut and move on to driver side rear then passenger front then drivers front re pumping in between to maintain at least 10 psi pressure.
Release pressure slowly then top off. Done
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Thanks! Sounds straightforward.
eljay
06-18-2016, 12:46 PM
Have any of you fine folks rebuilt front brakes? The piston seals in the Centric 143.34019 kit I got appear to be just a little bit larger than my old seals I've removed from the brakes. The old seal can be placed onto the piston and will not slide down while the Centric seals have about 2mm gap to the piston, so they just fall down. Are new seals supposed to be a little larger and do they shrink a little once installed or do I need to find different seals?
New seal on the piston:
http://i58.photobucket.com/albums/g258/s2photo/Avant/20160618_143811.jpg
New seal on top of the old one:
http://i58.photobucket.com/albums/g258/s2photo/Avant/20160618_143851.jpg
DanKing
06-18-2016, 12:51 PM
Thanks! Sounds straightforward.
Oh woops totally thought this was the dumb question thread hahaha woops ^
eljay
06-18-2016, 01:04 PM
Oh woops totally thought this was the dumb question thread hahaha woops ^
It certainly is a dumb question thread, but about brakes. Haha
vwnobby
06-18-2016, 07:08 PM
Have any of you fine folks rebuilt front brakes? The piston seals in the Centric 143.34019 kit I got appear to be just a little bit larger than my old seals I've removed from the brakes. The old seal can be placed onto the piston and will not slide down while the Centric seals have about 2mm gap to the piston, so they just fall down. Are new seals supposed to be a little larger and do they shrink a little once installed or do I need to find different seals?
New seal on the piston:
http://i58.photobucket.com/albums/g258/s2photo/Avant/20160618_143811.jpg
New seal on top of the old one:
http://i58.photobucket.com/albums/g258/s2photo/Avant/20160618_143851.jpg
I rebuilt mine a few years ago so I don't remember 100% but I don't think it supposed to be that big. See if it sits inside the groove, in the bore, properly. If it seats properly then it may work. I would go with OEM seal kit though, just to be safe.
aluthman
06-18-2016, 07:45 PM
This is somewhat related to this thread. I recently picked up an older Brembo GT BBK that I want to clean up and use on my car. Should I split the calipers before getting them powder coated or just get them coated as one piece? Anyone know if the bolts holding the halves together are TTY?
http://i10.photobucket.com/albums/a129/2fast4sanity/Mobile%20Uploads/image_zpsge7c2lee.jpeg (http://s10.photobucket.com/user/2fast4sanity/media/Mobile%20Uploads/image_zpsge7c2lee.jpeg.html)
vvenom800tt
06-18-2016, 08:59 PM
One piece for sure from what ive hear. Never split them if you can avoid it