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04-06-2007, 05:00 PM #1
How to define system is sufficient charge for cars
May I know how to check the system whether is sufficient charge for R-134a?
System have no liquid sight glass.
What is the usual delta T across evaporator coil and on what fan speed to check.
To read suction and discharge pressure at what engine speed?
System takes a long time to cool during the day when car was being parked under the sun.
But can cool well after sunset or on raining day.
Thank you.
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