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Old 01-04-2016   #1
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4x4 Rear brake discs

Hi, has anybody changed the rear brake discs on a 2013 4x4 please? I tried to get the disc off today but couldn't find how to remove the caliper hanger. It looks like I have to remove 4 Torx bolts in order to get to it but that seems a bit complicated. Have I missed something obvious?
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Old 01-04-2016   #2
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Re: 4x4 Rear brake discs

I believe it's a bit of a mare, you need to remove the hubs, and invariably replace those too.
The bolt heads holding the carrier are inside a box section according to the guy I used, ended up not doing the rears as there was plenty of life left in the pads and discs, just have to source the hubs for next time.
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Old 03-04-2016   #3
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Re: 4x4 Rear brake discs

Well it will be booked into my local garage to have the job done. I haven't got a big enough Torx socket to get to the calliper bolts and I can't source replacement hub nuts. Frustrating as I know that I can usually do this job. Must remember to check if it's due a service soon.
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Old 03-04-2016   #4
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Re: 4x4 Rear brake discs

Quote Originally Posted by julzgeraghty View Post
Well it will be booked into my local garage to have the job done. I haven't got a big enough Torx socket to get to the calliper bolts and I can't source replacement hub nuts. Frustrating as I know that I can usually do this job. Must remember to check if it's due a service soon.
Sometimes, it IS worth buying the tools to do the job. Maybe this is one such case as it allows you to work on the brakes in the future. Of course, you need to be able to source tools at a sensible price (not always a given) and have my attitude to collecting tools, but...

It's now I should mention the 'special' tools in my cycling tool box that were used for one bike and never since
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Old 03-04-2016   #5
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Re: 4x4 Rear brake discs

It's actually getting the replacement hub nut without buying bearings that's tipped the balance
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Old 03-04-2016   #6
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Re: 4x4 Rear brake discs

Quote Originally Posted by julzgeraghty View Post
It's actually getting the replacement hub nut without buying bearings that's tipped the balance
Doncha hate the fine print
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Old 04-04-2016   #7
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Re: 4x4 Rear brake discs

Although I've not looked at my 2014 4x4 specifically, I am 99% certain that the 4 Torx/Hex bolts will be of the same format as the previous car. Yes, you do need the appropriate tool (typically something like a long 8mm hex or similar Torx, but they are not 'special' in the true sense of the word and can be bought online for not a lot of money. And they are a very worthwhile addition to anyone's garage kit I reckon. I can't believe that you need to pull the hub to change the brake discs.
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Old 04-04-2016   #8
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Re: 4x4 Rear brake discs

My garage guy said that to replace the discs you need to pull the hubs, and invariably,
"he says " the bearings will split.. So as far as he is concerned you need the hubs to hand if they do, and since they are off anyway and were only talking 100 or so, might as well put the new ones on " that's me "
My guy is a very good mechanic used him for over 20 years, well equipped workshop and 50 an hour.
Certainly it fits in with the stealer price for a complete change front and back new discs and pads of 850-900.
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Old 04-04-2016   #9
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Re: 4x4 Rear brake discs

Quote Originally Posted by gullyfoyle View Post
Certainly it fits in with the stealer price for a complete change front and back new discs and pads of 850-900.
Holy Cow - that's almost up there with Porsche prices.... You could do the whole lot on the previous model for about 150! I am genuinely shocked and have a mind to pull a back wheel off to see if this is really the case.
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Old 04-04-2016   #10
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Re: 4x4 Rear brake discs

Let's face it, people, it's ludicrous that you can't change the rear discs without pulling the hubs. Simply ludicrous.
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Old 05-04-2016   #11
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Re: 4x4 Rear brake discs

Quote Originally Posted by gar074 View Post
Let's face it, people, it's ludicrous that you can't change the rear discs without pulling the hubs. Simply ludicrous.
Which undoubtedly means you can change the discs in the traditional way. I'll be doing my own at some point in the future, so will report back in due course with my own experience......
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Old 05-04-2016   #12
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Re: 4x4 Rear brake discs

Quote Originally Posted by R1NGA View Post
Which undoubtedly means you can change the discs in the traditional way. I'll be doing my own at some point in the future, so will report back in due course with my own experience......
Best of luck Ringa, the bolts holding the carrier in place are accessible from inside a box section but how you gain access is anybody's guess...
Look forward to your next post on the subject.
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Old 06-04-2016   #13
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Re: 4x4 Rear brake discs

Prompted by this discussion, I've been to have a look.

On the previous 4x4, you could remove the rear callipers by unscrewing two hex bolts with a big Allen key (item 5 in this digram https://www.fiatdalys.lt/en/catalog/...0/0/brake-pads ) that secured the calliper brackets to the rear suspension arm.

But, as has been said here, those two bolts cannot be accessed on the post 2012 car as they are obstructed by the casting/box section of the new 4x4's rear arm design (my finger is pointing at one of them in the second photo below). It does indeed seem that you need to remove the 'inverted Torx' bolts (see first photo - the lower of the two 'hidden' hex bolts is behind the Torx bolt you can see) and pull the whole hub carrier away in order to reach those two hex socket-headed bolts securing the callipers! (This new design does, on the other hand, mean you can remove the rear diff unit without removing rear arms. I am sure they've designed the hubs to come away 'easily' though, once you've managed to undo those Torx bolts and the hub nut - it should slide clear of the splines of the driveshaft. The bearing shouldn't split as it's retained within the casting by the circlip, and the whole hub/bearing /calliper unit should come off in one piece (item number 1 in this diagram is the main carrier part https://www.fiatdalys.lt/diagrams/B4...527D2319CA.png - by the way, the '1' actually points to the hole I believe the brake calliper bolt passes through)

My pads are 'half worn' but the discs still pretty sound, so I hope that I can replace the pads once without needing to replace the discs as well (they shouldn't really need replacing every time the pads are)
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Last edited by Herts Hillhopper; 06-04-2016 at 18:13.
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Old 06-04-2016   #14
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Re: 4x4 Rear brake discs

Thanks for that HH, my garage guy is a cautious man and is convinced the bearings will split, I might have another go with him, I am however off to the U.S. In a few days for quite a while so cannot report back on the hub removal till I get back in late July.
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Old 06-04-2016   #15
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Re: 4x4 Rear brake discs

Ye Gods! But great write-up, HH
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