Problem overview
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.
39 people reported this problem
12 commentsGMC Safari vehicles with this problem
16 model years affected
Average mileage: 184,261 miles
(87,000 - 291,000)
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