[urq] New to URQ and Audifans

[Wylie Bean]

Paul
Welcome. I don't yet own an urQ but I still hope that day is coming sooner  
than later. Your question about the throttle body attachment sounds like the  
cruise control mechanism based solely on the description. I don't know which  
models use the same parts but that ought to get you moving in the right  
direction. I think that was the only question John didn't hit.
Cheers


Wylie Bean
theringmeister at triad.rr.com
90 cq
91 90q20v
91 200q20v
92 urS4
08 Q7

-----Original message-----
From: John Koenig <koenigj at comcast.net>
To: Paul Ahvenainen <pahvenainen at korbel.com>
Cc: urq at audifans.com
Sent: Wed, Jul 17, 2013 13:26:20 EDT
Subject: Re: [urq] New to URQ and Audifans





Hi Paul, 

There are many knowledgeable people on this list, and I'd defer to most of  
them, but since I happened to spot your post and no one else has replied  
yet... 
See below for a start... and good luck! 


~John 

----- Original Message -----
From: "Paul Ahvenainen" <pahvenainen at korbel.com> 

Short-term plans to get it back on the road: (this is where I need some 
advice) 

1. Timing belt - found one on blauparts for $109 but it is listed 
as 5cyl 4000/urq 84-86, but it also says urq from 900001, my car is an 
'83 and is number 900058. Any idea if this is the right part? 
---- Almost certainly; the geometry on the 10V I-5s is all the same. 
900001 is also an '83; your car should be the same; call Blau if in doubt;  
they know. 
---- Replace the idlers and tensioners and water pump while you're doing the  
belt. 

2. Fluids - I'm hearing 15-50 full syn in the crankcase, GL4 80-90W 
(non syn) in the manual trans and front diff, GL5 90W in the rear diff. 
I'm a skeptic about the sealed for life claim. 
---- Rightfully so. 

3. Filters - does anyone have cross reference numbers for the oil 
and air filters to WIX or other reputable common brands? Is the turbo 
filter a normal oil filter? 
---- The main engine oil filter is common to many Audi and Volkswagen  
engines; the "Turbo" oil filter is a pretty conventional canister type;  
should be the same as for a 5000T and easy to find. Air filter too has a  
broader application and should be easy to locate. I know Fram lists them  
and, while opinions vary about Fram filters, they're numbers may be a great  
place to start for other cross-references. 

4. There is a diaphragm and spring assembly bolted to the same 
bracket as the throttle cable. One side goes to what appears to be 
vacuum, the other side is an adjustable shaft that connects to the 
throttle body. My guess is that this keeps revs up on sudden lift-off, 
maybe to keep the turbo spooled up, or for smog. Anyway, it's broken, 
and I don't have a clue what it's called or where to get one. 

5. Brake fluid - I run ATE blue in my Miata race car, any reason 
this wouldn't work in the Quattro? 
---- No reason not to, that I can think of. It's fine stuff. Opinions vary  
about synthetics. 


Any other suggestions or sources I should consider to get this car back 
to a roadworthy condition? 
---- With respect to the tank, fuel injection, etc., cleanliness is next to  
godliness. Anything you can do to minimize crap in the tank, lines and  
components and avoid plugging the many small fuel passages will pay  
dividends. If in doubt, clean it thoroughly. 
---- As an early '83, your car probably has the fuse panel under the dash,  
instead of the one under to hood on later cars. Many people have issues with  
undersized wiring and connections, melted fuse panels, electrical failures,  
etc. You'll also get advice about installing relays for headlights, fuel  
pump, etc. I'm not the expert on any of that, but you should find plenty of  
help here. 


Also, is there a shop manual for this car? I was wondering if a 5000 
turbo and a 4000 coupe shop manual together might cover most needs??? 
---- Bentley Publishers is the publisher of what amounted to the "Official  
Factory Repair Manual." The 4000/Coupe '84-'87 manual always contained the  
best, if slight, information about the "Turbo quattro Coupe" that Audi  
published. Bentley's first printing included some information on this car  
that Audi's later editions (e.g. Bentley's 2nd printing) left out, although  
the 2nd printing probably has more up-to-date wiring diagrams. Keep in mind  
that Audi's source material for such a low-volume car in those days was not  
always thorough or totally accurate. There's no particular need for the 5000  
manual. 
---- Everyone on this list will recommend a series of three Introductory  
Service Training manuals that were made available to technicians when the  
car was first introduced. They're a good source of basic how-does-it-work  
information, if a bit dated. Paper copies are increasingly rare, but they  
are available electronically from a few sources. I'll let someone who's a  
little more current chime in with how to get those. 



Paul Ahvenainen 

Dir. of Winemaking 

F. Korbel & Bros., Inc. 

(707) 824-7605 



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