PSFred: you have a Volvo similar to mine. (83 760 GLE TD) I recently recharged my AC that hasnt worked since I bought the car(2 yrs). It so far holds a charge just fine, and the system cools like crazy. The only problem is the vent system. It seems stuck on defrost and floor. Every now and then it switches and blows air out the dash vents, but always goes back to floor and defrost. Does your car have the automatic climate control? If so, have you had to do any work to it or happen to have a repair manual on it? Maybe I can replace it with a manual unit from another car?

I have alot of questions about this car and havent found any real technical forums like mercedesshop. Maybe you can help or know of some forums..

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Matt
2003 Jetta Wagon TDI 145,000MI
1999.5 Jetta TDI 287,000MI
2001 Suzuki SV650S 26,000MI
2008 Yamaha Vino 125 11,000MI
http://www.crazymatt.org