Refrigerant: Testing and Inspection

CHARGE OF REFRIGERANT







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 max. cooling capacity for a few minutes. Then, look at the sight glass on receiver/dryer to check charge of refrigerant.
Use the following table when checking charged state of refrigerant correct it as necessary.