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International Automotive Technicians Network
Re: Proposed procedure to charge retrofited R134a
Posted to HVAC Forum on 6/1/1999

Hi Brett,

High temp on the discharge line means high pressure. This won't happen in the case of undercharge. IF a vehicle (we are still at FIXED orifice) was charged using my procedure at 70*F, the low side pressure will raise to 35 or even 40 in extreme hea... Login to read more.