Problem Reports

GMC 2500 Pickup

Report: Power Brake Units May Leak Fluid From Hydro-Boost Unit

GMC 2500 Pickup Problem

14 Reports

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Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000

Average Mileage: 158,336 mi (86,508 mi - 227,000 mi)

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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Visitor, 1996 GMC 2500 Pickup, 161,500 mi

Bad hydro-boost unit. Had to replace. Advance Auto has rebuilt unit with lifetime warranty for under $200 plus core charge.

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Visitor, 1997 GMC 2500 Pickup, 227,000 mi

POwer Brake Unit LeakS Fluid From Hydro-Boost Unit

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Visitor, 2000 GMC 2500 Pickup, 86,508 mi

hydroboost leaking, dealership confirmed must be serviced for $1200!

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Visitor, 1996 GMC 2500 Pickup, 161,500 mi

Bad hydro-boost unit. Had to replace. Advance Auto has rebuilt unit with lifetime warranty for under $200 plus core charge.

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Visitor, 1997 GMC 2500 Pickup, 227,000 mi

POwer Brake Unit LeakS Fluid From Hydro-Boost Unit

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Visitor, 2000 GMC 2500 Pickup, 86,508 mi

hydroboost leaking, dealership confirmed must be serviced for $1200!

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