HVAC systems often fail because the air conditioning compressor fails. Not following the proper service procedures or compressor oil recommendations could be factors that contribute to premature compressor failure.
As vehicle owners in many parts of the country begin using their air conditioning systems for the first time this year, some will be surprised to find their A/C system is not functioning properly or isn’t blowing out cold air like the past summer.
So you don’t have an electronic control valves testing unit like the MT 1400 for testing AC solenoids while in operation? Well in this tip clip from the MACS Quick Hits AC Service class, trainer Paul DeGuiseppi gives you some helpful tips and pointers.