So the air conditioning of my '93 960, R134a system is working but not all that well. Cool, but not cold air. I thought that one of the home recharge kits would be OK to top off the system. I have been reading and found a lot of generic tips, but not specifically for this car, and do I need to add, "Chilton was of no help"?
I got a home recharging kit with a low-side pressure gauge, but have read that the total coolant in the system should be evacuated, weighed, then replaced with the addition of R134a to create the correct total amount. I was thinking that I would run the air conditioning at idle, on high, and put a fast-reacting digital thermometer's sensor in a vent, and while staying in the correct charge zone on the gauge, SLOWLY add R134a while watching the temperature of the air coming out of the vent.
First, is the port next to the 'cylinder' (looking like an aluminum propane bottle- is that the accumulator? a guess as the Chilton didn't even have a diagram with the parts named) near the dash the correct low-side port? A cursory inspection revealed this to be the only one I have found so far, but it was late and dark when I looked.
The black plastic, screw-on cap on that port says something like "Max
6Nm" on it. I thought Newtom meters was a torque setting and so i am assuming that this is in reference to the torque to be applied to the charging adaptor affixed to teh prot when charging and nothing to do with the level of charge itself. Is that right?Am I heading in the right direction? Is it worth a try? Should I just return the kit and take the car to a shop for recharging? Should I just move to a colder climate? Hey, Rob? What does a home go for where you live? ;-)
from Randy & Valerie __ __ \ \ / / \ \/ / \__/olvo 1993 960 Estate