Recently, I spoke with a former machine shop owner about valve train diagnosis and repair. He noted that many repair shops had fallen into bad habits when diagnosing possible valve train problems. They simply removed suspect cylinder heads and brought them to him for repair without a proper on-the-car diagnosis.
2006 Hyundai Santa Fe Heater Blower With No Speed Control
This specific HVAC system has no self-diagnostic abilities, but does control the blend doors and A/C while manually controlling the blower motor speed. This article is intended for the learning technicians that have an interest in diagnosing and testing a Hyundai HVAC...