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  #1  
Old 07-09-2006, 12:15 AM
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Angry 1998 E300 breaks by itself all of a sudden

I was driving for a while, and then I started breaking lightly to make a turn ahead, the car felt as if I pushed the break peddal all the way down really hard. The wheels were screeching, and everything from the seats fell forward from the sudden break. This is actually the second time this happened, it did the exact same thing a few months ago. I think this is dangerous, did it happen to anyone else, or does anyone have any idea why it happened. Maybe the break switch has something to do with it.....
Thanks , Joe.
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  #2  
Old 07-09-2006, 01:50 AM
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my guess is your master cylinder is getting stuck. i would definatly stop driving it till you can fix the problem
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Old 07-09-2006, 01:58 AM
Craig
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Quote:
Originally Posted by kmaysob
my guess is your master cylinder is getting stuck. i would definatly stop driving it till you can fix the problem
Sounds like it. I once had that happen to the front brake on my motorcycle, while I was making a slow turn through some sand on the side of the road, I felt really silly flat on my back on the side of the road.
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  #4  
Old 07-09-2006, 02:29 AM
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Brake Assist

Did that year have the Brake Assist. Whereby if you slam on the brakes, it thinks you are in a panic stop and goes ahead and applies maximum pressure? (But you are braking lightly, don't know what happens if that system goes bad.) But it has ABS, so that would be odd. When you say screeching, do you mean the wheels are locked and vehicle is actually sliding & leaving skid marks?
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  #5  
Old 07-09-2006, 02:36 AM
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Have you been flushing your breaks regularly? Made sure that the calipers slide nice and smooth? This would be a good time to do that.
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  #6  
Old 07-09-2006, 10:27 AM
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Whatever the problem you should not be driving the car until it is evaluated and fixed...it seems quite dangerous and faulty brakes are not something to ignore.

I would check the power brake booster and master cylinder for faults. It may be something the dealer is best equipped to handle if you are not an advanced DIYer...you just don't want to mess with brakes - to me they are the most critical component for safety.
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Old 07-09-2006, 11:43 AM
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Well the brake booster at least was made by the "prince of darkness"
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  #8  
Old 07-09-2006, 02:14 PM
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d-zel,

FYI: Its spelled BRAKE. LOL

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