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Fun story S70 1998

posted by  RepairmanJackal on  Wed Jul 27 14:32 CST 2011
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last visit: Tue Jun 10 09:52 CST 2014
[RELATED]

That's fairly close to how I filled it yesterday. Engine running, AC and blower engaged. The clutch came on after I added an ounce or so and started clicking on and off (pressure gauge was reading between 20 and 40.

How fast the clutch should be cycling? Right now the pressure build and drops within a second or two. As I was filling the system, the intervals between the on/off increased to a several seconds, but eventually it quit coming on entirely - which has been the problem all along.

This AM, it was ~85 here. The AC ran for a solid 10 minutes, but eventually quit and wouldn't come back on. Drive home (~100 F) it clicked for a while, but I never got any cool air from the vents.


If this system was filled improperly in the past, could I just have a bunch of empty air in the system? If I release some of the pressure manually, should white coolant be the only thing coming out - or is pressurized air what should be coming out?

I still don't understand how it can run fine for a few minutes and then die. It seems to be a common issue. I think that I'm not quite understanding something fairly important.






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