How to Determine if your Audi is Actually Short of Refrigerant

kentmclean at kentmclean at
Thu Jul 3 04:03:26 PDT 2008

mboucher70 wrote:
> Short of taking a car to an AC shop, what is a good method to determine if 
> its actually short of  refrigerant?

I bought the gauges needed to test the AC from my local auto parts place
(not a national consumer chain one, but one that services the local trade).
It cost about $100.  You can get a cheaper one at Harbor Freight:


Kent McLean
'99 A4 Avant
'91 200 Avant

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