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Old 05-03-2001, 08:58 PM
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Does any one know what refrigerant was used on my 1991 190E 2.6? The compressor and aux fans have stopped coming on and I want to add refrigerant. Should I hot wire the low pressure switch first to check on compressor and fans? Thanks in advance for your help.
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Old 05-03-2001, 10:47 PM
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Join Date: Mar 2001
Posts: 326
Your car originally came with R-12. Unless it was converted to 134-A recently you should still have R-12. Unless you have a set of A/C gauges I don't recommend this as a DIY job.
Scott Diener
89 300E
93 300E
92 Volvo 740 Wagon aka "Mutt mover"
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Old 05-03-2001, 11:47 PM
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Join Date: May 1999
Location: New Location: VA Palo Alto HEALTH CARE SERVICES
Posts: 109
I agree with chowpit, ...have the system check by an A/c tech. There could be more discrepancies in there that you may not expect. Also, would be better if you request to have the system retrofit for R-134A and use copper evaporator. It will pay off in the long run.
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