[s-cars] Rear caliper carrier bolt

[Tony Curran]

This bolt is hard to find. Not even the dealer has them! Is it imperative
that these bolts are replaced with socket heads and not hex heads?

Tony
96 S6

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] On Behalf Of Tony Curran
Sent: October 30, 2008 10:33 PM
To: 'LL - NY'; 'Tom Green'
Cc: 's-car-list'
Subject: Re: [s-cars] Rear caliper carrier bolt


The bolts for the carrier to guide came came with the Pagid pads I bought
have 10.9 stamped on them.
 
I'll have to go back to get new carrier bolts - the ones I got are full
thread and have 8.8 stamped on them.
 
Good thing I check with the knowledge of the group. Thanks.
 
Tony
96 S6

-----Original Message-----
From: LL - NY [mailto:larrycleung at gmail.com] 
Sent: October 30, 2008 9:37 PM
To: Tom Green
Cc: s-car-list; Tony Curran
Subject: Re: [s-cars] Rear caliper carrier bolt


As a FWIW the stress risers (and yield strength) of fully threaded fasteners
is lower than partially threaded fasteners. So, if the caliper bolts are not
fully threaded (no BTDT on the rears) they should be replaced by the same
type, NOT fully threaded to meet design spec. 

LL - NY


On 10/30/08, Tom Green <trgreen at comcast.net> wrote: 

Tony,

The torque specs would suggest 10.9 grade bolts.  I don't see an advantage
in dealer parts as long as you are using the proper grade bolts and thread
lock on the small ones.  It is a criminal offense to use substandard
hardware in Germany, and you could be liable for an accident.

The bolts provided by Mintex with pads are grade 10.9.

Tom

> Date: Thu, 30 Oct 2008 17:19:17 -0400
> From: "Tony Curran" <tony.curran at sympatico.ca>
> Subject: Re: [s-cars] Rear Caliper Carrier Bolt
> To: "'Sean Douglas'" <s_douglas at telus.net>,   "'Theodore Chen'"
>       <tedebearp at yahoo.com>, "'Mike Fitton'" <rfitton at vt.edu>
> Cc: "'S-Car-List at Audifans.Com'" <s-car-list at audifans.com>
> Message-ID: <BLU0-SMTP14C1FA959DEB31A0525ED58A210 at phx.gbl>
> Content-Type: text/plain;     charset="us-ascii"
>
> I didn't get new from dealer but from local "nuts & bolts" place. I 
> was just wondering on the way home from work if these type of bolts 
> are OK from a
> stress point of view or should they be dealer only. Is there anything
> special about the spec for dealer bolts?
> Your thoughts welcome.
>
> Tony
> 96 S6
>

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