Told this tale before but worth repeating:
Bought a 306, drove it home all fine. Used for just under a week by my now wife, then one morning very distressed phonecall.
"It's ground to a halt!"
"Not running right?"
"Running fine, literally won't move!"
Turned out a loose brake caliper can make its way to rest against inside of the wheel and as described above quite literally grind to a halt!
Upon investigation - all four front caliper carrier bolts found to be finger tight! (Ok, three finger tight, one had gone AWOL obviously, but that's kind of top of the tree option for looseness really!)
Shortly after I dug into the rear brakes and found all but one also loose. The remaining one had been cross threaded and driven home with huge torque.
Morons! Argh!!
Brake disk bolts
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Estately
- Donor 2024
- Posts: 217
- Joined: 02 Nov 2010, 20:50
- x 22
Re: Brake disk bolts
Whilst on the subject of brakes maintenance can anybody recommend the correct lubricant for the C5 X7 caliper sliders?
If it can happen it will.
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Jay-Bruce
- Donor 2024
- Posts: 544
- Joined: 20 Mar 2019, 00:30
- x 282
Re: Brake disk bolts
Those sockets sound gucci AF, could you post a link to them?Doo wrote: 30 Mar 2023, 20:45 I recently experienced gorilla stupidity when helping a friend with her BMW Mini (T50 torx were chewed no end).
This prompted me to buy a torx/Allen equivalent to the Irwin sockets (the flats are replaced with a screw type surface which grip the damaged bolt head) which have a screw shape to bite into the damaged torx or Allen insert. They cost almost £60 so I'm expecting decent results.
NEVER understood these absolute MORONS who get a spanner and a 30ft scaffold pole (well, you'd "think" that was how they applied torque) to do up nuts & bolts![]()
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Jay-Bruce
- Donor 2024
- Posts: 544
- Joined: 20 Mar 2019, 00:30
- x 282
Re: Brake disk bolts
Red rubber grease is the best option because the steel pins seat inside rubber sleeves.Estately wrote: 30 Mar 2023, 22:01 Whilst on the subject of brakes maintenance can anybody recommend the correct lubricant for the C5 X7 caliper sliders?
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osx
- (Donor 2022)
- Posts: 770
- Joined: 08 Jun 2013, 20:09
- x 15
Re: Brake disk bolts
That explains why threadlocker is a must for these screws.MattBLancs wrote: 30 Mar 2023, 21:00 Told this tale before but worth repeating:
Turned out a loose brake caliper can make its way to rest against inside of the wheel and as described above quite literally grind to a halt!
Upon investigation - all four front caliper carrier bolts found to be finger tight! (Ok, three finger tight, one had gone AWOL obviously, but that's kind of top of the tree option for looseness really!)
Shortly after I dug into the rear brakes and found all but one also loose. The remaining one had been cross threaded and driven home with huge torque.
Morons! Argh!!
C5 X7 Exclusive 2.0 HDi Auto
C5 X7 Exclusive 2.0 HDi Manual
C5 X7 Exclusive 2.0 HDi Manual
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Doo
- (Donor 2022)
- Posts: 490
- Joined: 09 Sep 2019, 16:53
- x 121
Re: Brake disk bolts
I can't find the link (Amazon being a male part..) but I believe they are called Rebra 25 piece screw extractor set. The box is black & orange and cost £60. There's a cheaper set, but I just went with the Rebra as they looked great. I used these on a friends Ford (from Hell) and got out several rotten torx head screws.Jay-Bruce wrote: 02 Apr 2023, 13:22Those sockets sound gucci AF, could you post a link to them?Doo wrote: 30 Mar 2023, 20:45 I recently experienced gorilla stupidity when helping a friend with her BMW Mini (T50 torx were chewed no end).
This prompted me to buy a torx/Allen equivalent to the Irwin sockets (the flats are replaced with a screw type surface which grip the damaged bolt head) which have a screw shape to bite into the damaged torx or Allen insert. They cost almost £60 so I'm expecting decent results.
NEVER understood these absolute MORONS who get a spanner and a 30ft scaffold pole (well, you'd "think" that was how they applied torque) to do up nuts & bolts![]()
Edit, also, I bought sockets too. Sockets are called bolt extractor set and there's a choice, but Amazon brand, Umi 15 piece impact bolt nut remover set is what I went for. They are pretty decent and I managed a few tough jobs with them despite being 3/8 drive.
Has anyone seen the plot? 
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Jay-Bruce
- Donor 2024
- Posts: 544
- Joined: 20 Mar 2019, 00:30
- x 282
Re: Brake disk bolts
Cheers Doo, with that information I was able to find it, the link for the male set is: https://www.amazon.co.uk/gp/product/B0B5ZNWC5Y which is now in my basket 

I already have the Irwin equivalent of the other tool you describe, but in case anyone else needs it, as these things are a godsend, the link for it is: https://www.amazon.co.uk/Amazon-Brand-1 ... B08XJMYCW4

[Edited to add pictures]

I already have the Irwin equivalent of the other tool you describe, but in case anyone else needs it, as these things are a godsend, the link for it is: https://www.amazon.co.uk/Amazon-Brand-1 ... B08XJMYCW4

[Edited to add pictures]
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Paul-R
- Moderating Team
- Posts: 8996
- Joined: 07 May 2009, 16:24
- x 1869
Re: Brake disk bolts
Irwin "knackered head" bolt extractors/nut removers have been mentioned favourably on this site before.
As I get older I think a lot about the hereafter - I go into a room and then wonder what I'm here after.
Inside every old person is a young person wondering what the hell happened.
"Trying is the first step towards failure" ~ Homer J Simpson
Inside every old person is a young person wondering what the hell happened.
"Trying is the first step towards failure" ~ Homer J Simpson
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MattBLancs
- Donor 2024
- Posts: 4995
- Joined: 25 Apr 2022, 09:03
- x 2185
Re: Brake disk bolts
I have a set of those, not yet actually used them in anger! (Read as: not yet remembered that I have a set of them and tried them ahead of reaching for the angle grinder insteadPaul-R wrote: 04 Apr 2023, 13:43 Irwin "knackered head" bolt extractors/nut removers have been mentioned favourably on this site before.
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CitroJim
- A very naughty boy
- Posts: 54623
- Joined: 30 Apr 2005, 23:33
- x 8110
Re: Brake disk bolts
I've a set of Irwins and they're great...
Now very seriously considering getting the Rebra ones...
Now very seriously considering getting the Rebra ones...
Jim
A bit of a Citroen AX fan...
A bit of a Citroen AX fan...