LOST POWER STEREING AND BRAKES AT THE SAME TIME ON 2003 GMC YUKON FLUIDS ARE FINE AND THE PROBLEM IS CONSTANT
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2003 GMC Yukon XL 2500
Question: LOST POWER STEREING AND BRAKES AT THE SAME TIME ON 2003 GMC YUKON
Answer #1mastertech6371 November 07, 2010, 17:55Master
they use a unit called a hydrovac. instead of vaccum brakes, they use power steering pressure to operate brake assist and steering. check the fluid. if it is ok, then either the pump or hydrovac unit is bad. the pump is a more common failure.