Date: Sat, 30 Jul 2005 08:00:20 -0400 From: Malt_Hound <Malt_Houndnospamm*yahoo.com> Subject: Re: 1992 saab 900s conv 2.1 ac problem
David Taylor wrote: >>I think it might have been a pump until it is refilled. But once in awhile > > > Thing is, there's no such thing as a "top-up" as the only way of topping > up would require knowledge of the quantity of what's in there in the > first place! Quantity of refrigerant is generally ascertained by measuring the low side pressure when the compressor is operating. -Fred W
