Solution to no-so-cold AC

[David Head]

I run a pusher fan in the front of my V8 - makes the AC nice and cold...

David Ullrich or Cheryl Chucoski wrote:

> I'm writing this from home, so it's from a different e-mail address, but
> I'm the guy who had his AC on a 1987.5 Coupe GT converted to R134a with
> little success. The Coupe is now over at the shop getting the converted AC
> looked at since it wasn't cooling enough. He has come up with a
> diagnosis...lack of airflow to the condenser (the part in front of the
> radiator, I think that's the condenser). If you feel it, there are
> distinctive hot and cool spots on it. Anyway, when he put a fan in front of
> it, the pressures dropped and the vent temp went down to as low as 39
> degrees! 39 is more than acceptable to me. He believes that the radiator
> fan just isn't pulling enough air through to be affective on a converted
> system. His idea is to put an electric fan in front of the condenser as a
> helper fan like most other modern cars have. He's planning on wiring in
> into the compressor switch so that it only comes on when the compressor
> kicks in. So, what do you think of this idea? Also, do you think my stock
> radiator fan should be good enough? He thinks it might be weak. Any idea
> how to test it to see whether it may need replacement? On my other cars,
> the radiator fan creates tornado like winds, this one only produces a nice
> strong HOT breeze. I tried the old rolled up newspaper test, it didn't stop
> the fan. Any thoughts or comments would be greatly appreciated.
>
> TIA,
>
> Dave
> 1987.5 Audi Coupe GT
> 1998 VW Passat GLS 1.8T (for sale, CHEAP)