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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Heating, Ventilation, And Air Conditioning System) >> Diagnostic Information and Procedures >> Leak Testing >> Visual Inspection

Visual Inspection

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Visually trace the entire refrigerant system and look for signs of lubricant leakage, damage, and corrosion on all lines hoses and components (oil can be an indication of a leak). Each questionable area should be checked for leaks using an electric leak detector.