View Full Version : need help locating freon input valve (pics provided)

03-12-2015, 05:09 PM
i drive a 2001 audi a4 1.8T. need to add freon as my a/c blows warm air. there are two valves i have located and am not sure which to use.

i uploaded some pics to a flickr account to show the two valves i've found. here is my link https://www.flickr.com/photos/131181263@N08/

03-12-2015, 06:12 PM
It only fits on one thing

03-13-2015, 05:12 AM
It only fits on one thing

This is correct; the connector for the Freon will only fit on 1 of those fittings, the other will be too big.