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post #6 of 16 (permalink) Old 15th October 2016 Thread Starter
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Re: laguna ii caliper carrier bolt size&pitch

Ok thanks for the info, but would appreciate if anyone has the specs of the caliper carrier nuts??
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post #7 of 16 (permalink) Old 20th October 2016 Thread Starter
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Re: laguna ii caliper carrier bolt size&pitch

Ok so I tried the main dealer here in Oslo(Norway) and they wouldnt tell me specifications and to top it they wouldnt even sell me the bolts unless I bought a kit. The kit amounted to 130 a side. 260 total for some bolts? I dont think so. So I ask again, since I only have 1 car and need to refit as soon as I get the caliper holders off, I need the specifications of the 18mm bolt that sits there. Is it a standard thread pitch?

According to this site metric system it should be thread pitch 2.5 for bolt dia 18mm:

https://www.boltdepot.com/fastener-i...ead-pitch.aspx

anyone?
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post #8 of 16 (permalink) Old 20th October 2016
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Re: laguna ii caliper carrier bolt size&pitch

I think the site you linked to is referring to the bolt diameter (18mm) not the bolt head size when it states the thread would be 2.5!


Can you not remove a bolt from the other side then match it up at a fastener supplier?

One of the four bolts on the front of the car will must come loose, I've had a few of them put up a fight but they always came out in the end.

I always try cracking them off by first trying to tightening them, if that doesn't work you need to get the hammer out and give them a good few whacks which will shock any corrosion and should help break the bolt free.
Most of the bolts have loctite on them so heating the bolt up a bit may help.



Cheers.

Please take the time to enter your vehicle details in the "What's current in your garage?" box.

To do this:
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> then in the dropdown click on "User Dashboard"
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> scroll down to the "What's current in your garage?" box and enter your vehicle details.
> Once the details are entered scroll down to the bottom of the page and click "Save Changes"

> Done.
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Last edited by TTT; 20th October 2016 at 10:20 AM.
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Re: laguna ii caliper carrier bolt size&pitch

Almost certainly a standard metric thread.
But which one ???
Almost certainly a high tensile as well.
So if buying new ones, specify that, min 8.8 grade, 10.8 will do not harm.

If rounding nut, find an hex socket of right size. Impact sockets are invariably six sided instead of the more normal bi-hex (12 corners)
The latter only grip on the corners of the nut, hence rounding them off on a tight one.
If you have a friendly local garage, you could always ask them to remove with an impact gun... will cost a little but once loose, you can get onto changing the pads etc yourself.
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post #10 of 16 (permalink) Old 20th October 2016
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Re: laguna ii caliper carrier bolt size&pitch

I've got a carrier bolt here with a Torx head, probably Peugeot or Citroen, it's a M14 with a 1.5mm thread pitch.




Cheers.

Please take the time to enter your vehicle details in the "What's current in your garage?" box.

To do this:
Hover over the "TOOLS" tab at the top of the page
> then in the dropdown click on "User Dashboard"
> click on "Edit Your Details" at the top Left hand side.
> scroll down to the "What's current in your garage?" box and enter your vehicle details.
> Once the details are entered scroll down to the bottom of the page and click "Save Changes"

> Done.
Currently in TTT's garage:
2001 Renault Laguna II 1.9dCi Dynamique Sport Tourer
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bolt , bolt or nut , caliper , carrier , discs or pads , laguna , sizeandpitch

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