Power Brake Units May Leak Fluid From Hydro-Boost Unit on Cadillac Escalade

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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Average mileage: 165,500 (138,000–195,000)
3 model years affected: 1999, 2000, 2005
6 people reported this problem
3 people shared problem details
Slow leak, then leak is more .....hydro boost needs replacement
The Hydro-Booster is leaking all over the left front wheel well. Started out as a slow leak and now is a large leak.
Start small leak , and gets worse I fix it by changing the hydro boost , I spend around $ 280 on part and about, 2 hours of work
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