Car Problem Reports

GMC Yukon Denali Power Brake Units May Leak Fluid From Hydro-Boost Unit

 
GMC Yukon Denali Problem
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Model Years Affected: 1999, 2000, 2003, 2004

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Power brake systems using "hydro-boost" may leak power steering fluid from the hydro-boost unit located behind the brake master cylinder. Replacement of the hydro-boost unit is the common repair to correct this concern.

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