Evacuating and Charging
Quick Checking of Refrigerant ChargeStep 1 - 4:
This procedure can be used for quickly checking whether the A/C system has a proper amount of refrigerant or not.
Run engine at fast idle and operate A/C system at its maximum cooling capacity for a few minutes.
Then, look at the sight glass (1) on condenser outlet pipe (2) and compare what is observed with the symptoms listed in the table.