Quick Checking of Refrigerant Charge - Air Conditioning

Quick Checking of Refrigerant Charge
The following procedure can be used for quickly checking whether the A/C system has a proper charge of refrigerant or not.

Run engine at fast idle, and operate A/C 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.

Step 1 - 3:

Checking Refrigerant Charge