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Old 05-26-2001, 06:50 PM
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Join Date: Nov 2000
Location: Duluth, Mn, USA
Posts: 17
My AC isn't cooling at all and I first wanted to see if it just needs a charge. I have a 92 190E 2.3. Can I get one of those conversion kits for the R134 and charge it that way? and if so where are the ports? Thanks for any expertise.
'92 190E 2.3 200K
'03 Toyota ECHO
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Old 05-26-2001, 06:56 PM
Johnson Chan
Posts: n/a
Very good question because I have the same problem. My 1992 300D 2.5 blows hot air out.

This morning I had it recharged with R12, there are no bubbles in the glass hole. But still blowing cold air, the auxillary fans dont come on. The weather today is about 65-75 degrees. Any ideas?
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Old 05-26-2001, 06:58 PM
Johnson Chan
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by the way, shortly after I start the car, I would hear a pop on the center vents. Vaccum shutting off the center vents or something, but it still blows hot air, so I know it didnt shut it. Funny you never notice this kind of stuff till your sweating your butt off in the car.
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Old 05-27-2001, 10:46 AM
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Join Date: May 1999
Location: New Location: VA Palo Alto HEALTH CARE SERVICES
Posts: 109

beyeker, ...I have mine retrofit from R-12 to 134A. There's a lot of parts that were replace to accomodate 134A. check with an A/C tech and ask for further info. You can't mix R-12 and 134A.....
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