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A/C Recharge Help! - Confusing Pressure Readings???.
Posted by Nickshu (more from Nickshu) on Sat, 2 Jun 2007 14:00:33
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1995 900S. A/C blowing lukewarm. Bought recharge kit with guage. Attached guage. Reads 35 PSI when first attached. Drops to 15 psi when radiator fan cycles (I assume this is compressor coming on/off?). Fluctuates between 15 and 35 psi with compressor cycles.
I read here that target psi is 32-34. Do I add R-134a so that the psi when the compressor/radiator fan runs is 34 psi? I am confused b/c I figure this will make the high end of the fluctuating pressure much higher than 35, maybe 50-55!
Or should I be looking into other problem, like expansion valve??
Thanks!
Nick
95 900S
posted by 68.49....
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