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How two: Fix sticky brakes the lazy way
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TOPIC: How two: Fix sticky brakes the lazy way
#21892
How two: Fix sticky brakes the lazy way 6 Years, 9 Months ago Karma: 313
A few weeks back my two summered from the relatively common 'stuck caliper' syndrome, whereby I got a nasty smell of burning pads while driving along, and also found that my car would stick on a down hill slope without using any brakes!

This can be caused by stuck pistons within the caliper(s), and also stuck slider bolts. I had both - but did not realise at the time. There is a caliper rebuild procedure that is reasonably straight forward but can sometimes become difficult if the piston seal has ripped and the caliper bore has become corroded/rusty. So I did it the lazy way and ordered a set of rebuilt (exchange) calipers from Camskill.

Camskill shipped to me in 1day! and packed super well...

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I also ordered a set of slider bolts at the same time as they seemed to be quite cheap enough to replace. Camskill stock the genuine Toyota part.

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The calipers are zinc coated but it seems that they were done in different batches judging by the colours

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Important stamp. Rev1 had smaller brakes/calipers than Rev 2,3,4,5

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Nice clean looking pistons and seals in perfect condition

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I ran about all over Dublin but could not find anyone that had black caliper paint in stock, so I did a temporary job with some high temp paint until I could get the right stuff...

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No problem with colours now :)

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The offender! I should have gotten on to this sooner as last time I went through the NCT the car came back with a big difference in braking power from one side to the other. I wanted to do a good job so I chose to replace both sides at the same time.

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Unfortunately pictures under the wheel arch are not so easy to get, but basically the caliper is held on via two 14mm bolts and the brake line via a 12mm banjo

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After cracking the seal on the brake line bolt, you'll get a run of brake fluid, so be ready with a container

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If you're doing this job, might be a handy thing to order new banjo bolts and crush washers. Mine are end of life for sure. Luckilly I landed up getting them to work but would have liked to have new ones..

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The old caliper

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New caliper for comparison

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As you can see the inner pad has taken some amount of punishment compared to the outer pad!

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I started with my good side caliper so as to make the 'learning side' that little bit easier for myself. Just when I was doing a test fit of the replacement caliper, I noticed that the thread on the fluid feed was looking a bit iffy :dry:

_KUNENA_BBCODE_HIDEIMG

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:angry:

There was no way the banjo would screw in so after some swearing I broke out the old faithful tap and die set

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Found the correct thread width

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And gave the thread some manual persuation

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Andy after a little while - hey presto!

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Caliper in place and ready for action :)

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While running through this procedure I had found that one of my slide bolts was fully seized in the caliper bracket. I tried forcing it with a breaker bar, but unfortunately the bolt was too far gone and landed up snapping off in the bracket. So with no other option, I bought a new bracket from Toyota. The dust boots that are in the picture are quite important as if they perish, then water gets in to the slide bolt and corrodes it like a B1tch!

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Old manky bracket (one that I reused, not the stuffed one)

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New versus old (and in this case still intact - well the rubber part anyway) dust seal

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In order that I did not want to tackle this job anytime soon, I elected to throw on some anti sieze

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I put some copper grease in the bore, then tapped home the new seal (courtesy of a 10mm socket)

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Then it was a bit more on the slider pin and in to place!

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Then it was a case of moving across the pad clips for the new bracket, and just reassembling the other bracket that I was reusing

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All in all I was happy with the outcome, I'll be moving on to do the back brakes in coming weeks... :S
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#21897
Re:How two: Fix sticky brakes the lazy way 6 Years, 9 Months ago Karma: 148
Good job Quandry, nice write up..out of KC's for now.
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#21919
Re:How two: Fix sticky brakes the lazy way 6 Years, 9 Months ago Karma: 327
Nice one Geoff, should loosen up a few more ponies for you.

KC for the write up.
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#21921
Re:How two: Fix sticky brakes the lazy way 6 Years, 9 Months ago Karma: 70
Great write up, KC+1 for you. I would love to seem more of these, even one for basic servicing etc for the likes of me.....!
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#21926
Re:How two: Fix sticky brakes the lazy way 6 Years, 9 Months ago Karma: 327
Punky1968 wrote:
Great write up, KC+1 for you. I would love to seem more of these, even one for basic servicing etc for the likes of me.....!

I should be putting one of them together over the winter. Any questions in the meantime just ask.
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#21944
Re:How two: Fix sticky brakes the lazy way 6 Years, 9 Months ago Karma: 152
great write up!!! this is something i have to do later on too. so, this will come very useful for me. KC +1

great pic too. very detail. i can see all your finger print. now i can use your I.D to buy stuff off the internet.
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#21996
Re:How two: Fix sticky brakes the lazy way 6 Years, 9 Months ago Karma: 59
Great write up Geoff. My calipers are on their way out also. If things go well with the bank man tomorrow I think I'll add these to the build list.
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#22032
Re:How two: Fix sticky brakes the lazy way 6 Years, 9 Months ago Karma: 6
This a great write up, fair play. You sure know what your doing. Explained in great detail and photo's always help..will be a massive help when time comes for mine to be done...Gud job

KC for you
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#22036
Re: How two: Fix sticky brakes the lazy way 6 Years, 9 Months ago Karma: 114
Deadly write up
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#22182
Re: How two: Fix sticky brakes the lazy way 6 Years, 9 Months ago Karma: 8
very good right up

the dust boots are a must on any brake rebuild as there first to perish
great to see the job planned out in front much easier to see what may be needed .
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#22190
Re:How two: Fix sticky brakes the lazy way 6 Years, 9 Months ago  
Punky1968 wrote:
Great write up, KC+1 for you. I would love to seem more of these, even one for basic servicing etc for the likes of me.....!

Yeah same here! Just got a letter from the NCT people kindly reminding me to get my NCT, 4 months before it's due, what's that all about! lol
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#22203
Re:How two: Fix sticky brakes the lazy way 6 Years, 9 Months ago Karma: 11
good write up. Actually replaced my own pads and rotors yesterday too. Should have taken some pictures took me a while to figure out that you have to take the caliper off the bridge to pu the springs on easily. i was messing around for an hour tryin to fit two springs and two pads into the caliper in one move

How much did you pay for the replacement caliper and bridge?

KC + 1
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#22251
Re:How two: Fix sticky brakes the lazy way 6 Years, 9 Months ago Karma: 313
AlersNiga wrote:
good write up. Actually replaced my own pads and rotors yesterday too. Should have taken some pictures took me a while to figure out that you have to take the caliper off the bridge to pu the springs on easily. i was messing around for an hour tryin to fit two springs and two pads into the caliper in one move

How much did you pay for the replacement caliper and bridge?

KC + 1


I got the two calipers on an exchange basis from Camskill. They were 100 pounds per side. The bracket I bought new from Toyota for 95 eur. In hindsight I could have got one way cheaper from MR2 Joe but I was a bit pushed for time and Cranleys were able to get me one next day.

Still saving up to do the back
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#34148
Re:How two: Fix sticky brakes the lazy way 5 Years, 12 Months ago Karma: 23
Nice on for the write up Quandry! You've got me out of a hole! Iwent the same road as you with camskill recons. KC 4 u
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#34151
Re:How two: Fix sticky brakes the lazy way 5 Years, 12 Months ago Karma: 313
Glad to have been some help!

Would you believe I am still saving up to do the back ones
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Last Edit: 2011/08/22 14:25 By Quandry.
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#39449
Re: How two: Fix sticky brakes the lazy way 5 Years, 6 Months ago Karma: 3
Quick question anyone know are the front brake bleed nipples the same as the rear on a 92 rev 2 turbo cos I'm dropping in yellow stuff pads and race fluid so I wanna pick up new nipples before I strip the car down... I can find replacement nipples on camskill but it says brake nipple front and dosnt have a rear option!!!
www.camskill.co.uk/m5b0s604p0/Toyota_MR2...Brakes_-_Other_Parts

3rd last item on the page I just don't wanna end up with 4 front nipples And find out I need a rear to finish the job!!!!


Cheers for any replies
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#39451
Re: How two: Fix sticky brakes the lazy way 5 Years, 6 Months ago Karma: 327
Only bleed the brakes last week and Toyota being the way they are I would say they are the same.

Edit: Some part numbers for you, I would still say they are the same unit.

Front Part # 47547‑20010

Rear Part # 47547‑22020

That is for a Rev III N/A, what version is yours or PM me your chassis number for an exact part number.
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#39453
Re: How two: Fix sticky brakes the lazy way 5 Years, 6 Months ago Karma: 327
I got your PM and the numbers below are correct for your car from what I can see without the chassis number.

Front Part # 47547‑20010

Rear Part # 47547‑22020

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#39454
Re: How two: Fix sticky brakes the lazy way 5 Years, 6 Months ago Karma: 3
Cheers I'll ring Toyota tomorrow anyway and check price off them sure they can't be that dear... I've used my local dealers few times over the years and they haven't fleeced me that much except for the time I rang looking for t bar seal price.....

Thanks
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#39455
Re: How two: Fix sticky brakes the lazy way 5 Years, 6 Months ago Karma: 3
Cheers I'll ring Toyota tomorrow anyway and check price off them sure they can't be that dear... I've used my local dealers few times over the years and they haven't fleeced me that much except for the time I rang looking for t bar seal price.....

Thanks
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#39457
Re: How two: Fix sticky brakes the lazy way 5 Years, 6 Months ago Karma: 45
if toyota dont know as they mite not tell you as there different part numbers and they dont like mixing and matching i can check off the calipers i have a bit of everything up there ha rev1 to rev3
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#39459
Re: How two: Fix sticky brakes the lazy way 5 Years, 6 Months ago Karma: 3
Yea if u could check it would help me out cos I know toyota are gonna say they don't know if their different
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#39461
Re: How two: Fix sticky brakes the lazy way 5 Years, 6 Months ago Karma: 45
yeh il check them during the the day and let you know later when im back home dude
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#39815
Re: How two: Fix sticky brakes the lazy way 5 Years, 6 Months ago Karma: 3
Any chance ya checked if front and rear bleed nipples are the same got my yellow stuff pads during the week so wanna throw 4 new nipples when I'm putting the good fluid in!!!

Cheers
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#39922
Re: How two: Fix sticky brakes the lazy way 5 Years, 6 Months ago Karma: 45
sorry ment to write back.yes i tried a rear rev1 turbo nipple in a rev 3 front caliper and vice versa and both were the same in each.
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