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#21
04-17-2002, 12:59 AM
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My first attempt to convert our 1988 W124 wagon (black w/black tint windows) from R12 to R134a, wasn't very successfull.
We only changed out receiver/dryer; expansion valve; and pressure switch, drained oil, and refilled 80% with R134a and the proper oil. On a 95-F trip to Las Vegas it cooled down to about 78-80 F. This time, we evacuated everything, replaced the single pusher AC fan with the dual AC fans from a 1990+ W124 R134a vehicle, as well as the R134a specific condenser. Also, replaced the viscous fan with a 16-inch SPAL puller fan at 2370 CFM. Our trip to Las Vegas in 95-F cooled the cabin to a very cool 65-F. In short, get more airflow with electric fans, and a high-flow/high-density condenser. :-) neil 
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