2500 Pickup

Power Brake Units May Leak Fluid From Hydro-Boost Unit on Chevrolet 2500 Pickup

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 122,333 (90,000–157,000)
11 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999, 2000
18 people reported this problem
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leaking power steering fluid at unit and also inside cab onto floor causing slick brake & accelerator pedals and general mess.