Problem Reports
GMC Safari
Report: Power Brake Units May Leak Fluid From Hydro-Boost Unit
GMC Safari Problem
Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Average Mileage: 176,750 mi (87,000 mi - 291,000 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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mkeafer, 1997 GMC Safari, 130,000 miRookie
Brankes and steering both quit at the same time. I am assuming that it is something to do with the combined system.
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Visitor, 1999 GMC Safari, 155,555 mi
leak a bit for a while, than suddenly sprays all over under battery comp.
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Visitor, 1994 GMC Safari, 200,000 mi
Always low on power steering fluid. Found fluid dripping from between the hydro boost and master cylinder. Never had problems with the brake fluid being low.
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Visitor, 2002 GMC Safari, 158,000 mi
Powersteering fluid leaking like blood
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Visitor, 1997 GMC Safari, 291,000 mi
Leaking power steering fluid where the master cylinder and the hydroboos go together.
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Rookie
This cause me an accident in the rain and a 500.00 ticket, insurance being sued and a point on my record and insurance costs raised, and possible deadly situation.
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User 45516, 2002 GMC Safari, 87,000 miRookie
Leaking power steering fluid between master cylinder and booster when brake is depressed.
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