hit bump or pot hole or loose gravel the brake pedal will sometimes lose pressure and drop to the floor

2010 DODGE CALIBER

137,000 MILES • 2.0L • 4 CYL • 2WD • AUTOMATIC

CADILLAC911

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While pressing brake pedal if you hit bump or pot hole or loose gravel the brake pedal will sometimes lose pressure and drop to the floor. after about 3 to 5 days it will start acting normal. They tell me I need a new brake master please help.

Jan 4, 2020 at 6:47 AM

KASEKENNY

CERTIFIED EXPERT
18,907 POSTS

Here are some guides that will help with this:

https://www.2carpros.com/articles/brake-pedal-goes-to-the-floor

https://www.2carpros.com/articles/how-to-replace-a-brake-master-cylinder

I attached the process below from the manual on how to replace this. Please let us know if you have other questions. Thanks

Images (Click to enlarge)

Apr 7, 2021 at 7:46 PM