Questions tagged [hydroboost]

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Diagnosing Hydroboost Brake Systems

I have a 91 Chevy Astro with the hydroboost brake system. I took my van to a shop because I was having difficulties with the brakes. I was informed that this was due to low brake fluid and I needed a ...
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brake pedal sinks to floor when vehicle is started

I have an 06 Tahoe LT and had a fluid leak close to the fire wall. After some research I found out that the hydrobooster seal is susceptible to leaks after some time. I ordered and replaced the seal. ...