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...
Four-Valve Heads

Four-Valve Heads

While the four-valve cylinder does have the advantages of high rpm for racing and other high-speed purposes, that’s not what they’re for in most of the ordinary cars we see in the shop.

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Trip Wire: Merkur Heater Controls

Trip Wire: Merkur Heater Controls

A’87 Merkur XR4ti with no heater fan on all speeds except High. The customer also mentioned that he had recently begun to notice a few drops of oil on his garage floor and an occasional hesitation problem on moderate acceleration, primarily in second and third gears.

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