[urq] Head bolt weirdo

[Alan Pemberton]

Phil

I had just bought a set on new bolts (same part number) for a WX and
intended to use the old washers.  Just checked them for fit.  They are not
even tight - I would say there is between half and one mm play between bolt
and washer.

Alan
85 urq (Canadian)



----- Original Message ----- 
From: "Phil Payne" <quattro at isham-research.com>
To: <urq at audifans.com>; <quattro at audifans.com>
Sent: Thursday, December 09, 2004 4:03 AM
Subject: [urq] Head bolt weirdo


> Just bought a set of head bolts from Audi for a WR ur-quattro engine.
ETKA
> says 049 103 385 - so does the Audi sealed bag and the invoice.  ETKA also
> says M11 x 1.5 x 98, and my digital caliper agrees.
>
> But the washers from the old bolts don't fit.  The old bolts (I have two
> sets) are M11 thread with M10 shanks.  The washers are all around an ID of
> 10.40 mm - they are a tight fit over the threads on both sets of old
bolts,
> and slide easily over the shanks.  At first I thought the stretch effect
> might be responsible - but the washer ID of 10.4mm is not going onto a
bolt
> shank with an OD of 10.96mm.
>
> Anyone had this problem before?
>
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