[V6-12v] Need help with cooling problem

[brandon&trenna adams]

My a6 97' had this problem this summer. the problem with mine was a fuse
under the dash behind and around the air conditioning head unit. It's a big
fuse. 60 amp. Mine also melted some other wires first. Major PITA! Good
luck.


> [Original Message]
> From: apowell at colocougs.org <apowell at gocougs.wsu.edu>
> To: <v6-12v at audifans.com>
> Date: 08/20/2005 7:13:47 PM
> Subject: [V6-12v] Need help with cooling problem
>
> Today my wife's 1993 90Q tried to overheat while she was driving in town.
Fortunately, she pulled
> over and shut it down before any damage too place. The problem is easy to
spot - the radiator
> cooling fans weren't running.
>
> I checked all fuses in the fusebox, and they're all good. I have both the
Bentley CD and a Mitchell
> CD, and neither was much help. The only mention of a something to test is
the Engine Coolant Temp
> Sensor, and it's described (depending on the source) as being at the rear
of the engine both on the
> left side AND the right side. Swell. I can't find the darn thing.
>
> I suspect the culprit is either an engine temp sensor or the
three-connection relay strip located in
> the driver's side front fender, but I can't find ANY test procedures for
the strip, and I can't find
> the temp sensor. Not helpful.
>
> Tomorrow AM I want to download the codes as per the procedure at
> http://www.12v.org/maintenance/dtc.php . Unfortunately my MIL (engine
malfunction indicator light)
> is burned out, so I need to use the test light method - but although the
method is referred to on
> the website, I can't find a description of the method on the website. Can
anyone help me find it??
> (On the 200 models, I believe the test light connection point was a pair
of connectors in the
> driver's side footwell, but I checked and don't see any such connectors
on this 90Q.)
>
> So, to sum up, I'm looking for:
> 1) Confirmation of where the Engine coolant Temp sensor is found.
> 2) Test process for the 3-connector relay in the driver's front fender.
(If any)
> 3) Where to connect a test light to check codes on this car.
>
> If I can't find something to try before Monday AM, it's going to the shop.
>
> BTW - curiously, when I tried to check the codes before finding the MIL
light was out - the cooling
> fans ran for a moment. But they stopped and didn't come on when I warmed
up the engine...so I'm
> still thinking it's a relay.
>
> I also spotted a small radiator leak, but that's the next project.
>
> ************************************
> Al Powell
> apowell at gocougs.wsu.edu
> 1958 Fiat 1200 Transformabile Spyder
> 1983 Datsun 280ZX Turbo
> 1993 Audi 90Q
> 1991 Camaro RS Convertible
> 1997 Chebby Blazer
> 1999 Chebby Blazer
> ************************************
>
>
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