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RE: Fuel filter location

I can't speak for the 100, but on the 5K it is an easy job.
One of the fuel lines was very tight on the old filter, but that was the
only problem. Fuel system can be depressurized by several methods
(running the engine with fuel pump disconnected, applying voltage to one
of the injectors). I don't know which one is applicable to V6s with
Motronic, on the CIS systems the easiest method is to loose one of the
lines at the warm up regulator (don't remember which one now, it's
documented in Haynes). I didn't have any leaks although I did not
replace the gaskets (that's stupid, very stupid, I know it, Phil :-)

Aleksander Mierzwa
Warsaw, Poland
87 Audi 5000CS turbo (mine)
88 Renault Medallion wagon (mom's)
91 mountain bike (just in case both cars broke at the same time :-)

> -----Original Message-----
> From:	AudiJeep@aol.com [SMTP:AudiJeep@aol.com]
> Sent:	Tuesday, November 04, 1997 4:50 AM
> To:	sean@nwh.org; quattro@coimbra.ans.net
> Subject:	Fuel filter location
> Sean,
> I tried to send this message before when you inquired, but I guess it
> did not
> get through. I have never changed my fuel filter. It is located on the
> left
> side of the engine, behind the airbox (looks like a large can). There
> is no
> real recommendation by Audi that I know of of when to change the
> filter. I
> considered doing it myself at the end of the summer, but a few listers
> said
> it was a PITA to do yourself. The fuel system has to be depressurized
> and
> drained, and I also heard that it is hard to get the fittings tight
> enough
> onto the new filter so it doesn't leak. The actual filter is not very
> expensive. I found one at Pep Boys for about $20. I'll look for the
> post of
> how to do it, and foward it to you if I can find it.
> Craig
> '92 100S (67k)