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Posted: 8/3/2009 5:35:16 PM EST
I have a 1989 Suburban 4x4, and when I was turning into my driveway the truck jumped, made a sound like it had been hit with a hammer, the brake pedal dropped almost to floor and the braking ability dropped to maybe 25% of normal. (I'm glad our driveway has room for a bit of extra driving, and also that this didn't happen out in traffic). Any ideas on what happened?
Link Posted: 8/3/2009 5:38:39 PM EST
[Last Edit: 8/3/2009 5:39:38 PM EST by fxntime]
Blew out the brake booster. [the round thing behind the master cylinder.]
Link Posted: 8/3/2009 5:52:48 PM EST
That's kind of a bolt on deal isn't it? It sounds better than the broken caliper I was imagining. (I'm no mechanic at all).
Link Posted: 8/3/2009 6:21:54 PM EST
Or the master cylinder.

I did it once at the bottom of a hill in my Caprice.
Talk about a hard stop.
Link Posted: 8/3/2009 7:05:10 PM EST
I had a master cylinder go out on me before. It went out on Christmas eve in the 84 Bronco, also there was the lovely white stuff out. I had presents to open the next day, so nearly 2 hours later I made it home.
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