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Old Apr 15, 2021 | 09:38 PM
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Brake troubles

Should air be released from booster when loosening master cylinder on a 2015 F150
 
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Old Apr 15, 2021 | 11:01 PM
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Welcome to FTE MJForehand,

Before you mess with the brake master cylinder, there is a recall on some trucks. Check to make sure if yours is covered.

https://www.caranddriver.com/news/am...-brake-recall/

https://www.nhtsa.gov/recalls

 
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Old Apr 15, 2021 | 11:15 PM
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Recall has already been completed. All 4 breaks dragging till I loosen master cylinder, vacuum is broken at that point than breaks release
 
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Old Apr 16, 2021 | 12:07 AM
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Maybe the rod in the master cylinder wasn’t properly adjusted or the master cylinder was improperly bled. Take it back and have their best brake tech fix it.
 
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