# Help! My brakes are applying themselves!

**URL:** <https://community.cartalk.com/t/help-my-brakes-are-applying-themselves/5533>\
**Category:** Maintenance/Repairs\
**Tags:** brakes\
**Created:** [October 5, 2007, 11:08pm UTC](https://community.cartalk.com/t/help-my-brakes-are-applying-themselves/5533 "2007-10-05T23:08:15Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![cloud1969](https://avatars.discourse-cdn.com/v4/letter/c/898d66/32.png) [@cloud1969](https://community.cartalk.com/u/cloud1969)\
**Post date:** [October 5, 2007, 11:08pm UTC](https://community.cartalk.com/t/help-my-brakes-are-applying-themselves/5533/1 "2007-10-05T23:08:15Z")

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Ok, 1994 Ford F150 I just bought it. Sometimes when I apply the brakes the pedal actually pulls itself down farther then I do.It doesnt lock the brakes and it has never stopped the truck all the way. It will release before that happens. There is a new master cyl. brake booster,pads,rear shoes ect…what do I check next? Brakes also seem very touchy… thanks

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**Author:** ![MG-McAnick](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mg-mcanick/32/188_2.png) [@MG-McAnick](https://community.cartalk.com/u/MG-McAnick)\
**Post date:** [October 6, 2007, 2:45am UTC](https://community.cartalk.com/t/help-my-brakes-are-applying-themselves/5533/2 "2007-10-06T02:45:18Z")

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The adjustment between the new power brake booster and new master cylinder is incorrect. Get a factory shop manual to see how to set it.