I worked in a shop where some of the technicians thought shim-style valve adjustments were a type of legalized gambling. The way they figured it, selecting the right adjustment shim involved about three parts luck and one part skill.
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...