When using the mixtures (such as Freeze 12) you must completely empty
and evacuate the system before filling to insure there is NO air or
water vapor in the system. The components of the blends leak at
different rates so the mixes can't be "topped up." Must be emptied and
then filled with fresh
Yes, you MUST evacuate before charging, else the air causes low
capacity problems.
You can also get ice from water vapor in the expansion valve, or worse,
rupture the dessicant bag in the receiver/dryer and wreck the
compressor.
Peter
hey Bob,
Yeah you should have put a vacuum on it. Harbour freight sells a vacuum pump
that runs off compressed air. works great & cheap ~15$.
Air does not compress very well and that' why you're not getting proper
cooling. also you'll want to check your fan clutch and auxiliary fan and make
su
Yes you should pull vacuum before filling this will remove moisture and air
from system which can decrease effiency. One way to pull vacuum is connect
to vacuum line on engine (gas models, pump on diesel) and then idle engine
for about 10-15 minutes.
Additionally measuring the pressures of the hi
