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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Heating, Ventilation And Air Conditioning) >> Diagnostic Information and Procedures >> Leak Testing (R-134a) >> 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.