[urq] AAN swap!

Nathan Engelbert n-engelbert at terrans.net
Thu Dec 16 10:57:26 PST 2010


Don't forget swapping serpentine to v-belt setup for the AAN swap.

The 3b oil pan clears the UrQ radiator, but the AAN doesn't, so you'll
need either a 3b or 7a oil pan.

Off to company holiday party, so no more input now.

Nathan Engelbert
83 UrQ DA900453 with 3B
95 S6 avant


>
> Well, the AAN makes it a bit more involved then if using all 3B
> components. I know on the 20vT 3B swap you'd use a 200 flywheel along with
> a 5k turbo clutch disk. You'll need to remove the 3B oil pan and run a 7A
> 20v (naturally aspirated) pan for clearance. To keep the A/C you will need
> the relocation bracket used on the stock ur-q (moving the compressor over
> towards the front of the radiator). Dont forget you will need some various
> sensors from the AAN donor (specifically the altitude sensor will
> calibrate the ECU, normally under the dash).
>
> You will also need a relocation bracket for the power steering pump. Some
> have sold them on motorgeek (actually a member here was producing them,
> however I have been unable to get a response regarding the brackets). You
> cannot use the AAN power steering pump because of the increased pressure
> it puts out.
>
> Intercooler/Oil cooler fitment will be tight (custom plumbing will be
> needed), especially if retaining the a/c. Wiring will be the most daunting
> part of the swap, you'll need to retain the AAN FPR as well.
>
> Good luck! Remember to keep some cash in the bank for the unexpecteds, and
> try to give yourself a good 3 month down time on the car to cover
> everything. yes, the swap can be done in a month, but rushing through
> something like this will just create tons of headaches down the road.
>
> Johnny
> Pre95
>
>> Date: Thu, 16 Dec 2010 16:25:21 +0000
>> From: k.zoltan at comcast.net
>> To: urq at audifans.com
>> Subject: [urq] AAN swap!
>>
>> Hi all back with some more questions,im thinking of doing a motor swap
>> in my 85 urquattro purchased a AAN engine+harness+ecu,also picked up a
>> 3b intake manifold,3b oil pan.
>> What else do i need,and i would like to keep the a/c .My other question
>> is i know the AAN will mount up to my urquattro transmission but what
>> kind of clutch setup do i need to make it work?
>>
>> Thanks Zoltan
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>
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