Brakes locking up to where truck will not move at all.

Asked by Aug 08, 2016 at 09:39 AM about the 2011 Chevrolet Silverado 1500 LT Ext. Cab

Question type: Maintenance & Repair

Master cylinder was replaced and fluid flushed first time. both front calipers replaces with front hoses and flushed again the second time. Locked up again in McDonalds drive thru in Ft Pierce, FL on a trip from Orlando to Ft Lauderdale. Very frustrated what else could it be.
note: After all cools down it goes back to normal like nothing ever happened. (the truck has 52k miles on it)

2 Answers

28,695

Bleed them again, it sounds like trapped air is still in the system. Brake fluid gets hot from use, trapped air expands as well from the heat and causes brakes to self apply or lock up. Check the condition of the flexible lines as well, if they look bad they can restrict return flow to the master cylinder.

I did replace the front flex lines, but what is strange, the fluid is dirty looking. Mechanic said "that's weird I must of put a gallon of new fluid thru it when I flushed it". I will have him re flush and help him bleed it again. any thoughts on why it would be like dirty water?

Your Answer

Chevrolet Silverado 1500 Experts

  • #1
    John Carson
    Reputation
    2,770
  • #2
    Rowefast
    Reputation
    2,080
  • #3
    Andrew Olsen
    Reputation
    1,810
View All

Related Models For Sale

Used GMC Sierra 1500
1,176 Great Deals out of 64,572 listings starting at $999
Used Ford F-150
3,162 Great Deals out of 219,399 listings starting at $700
Used Chevrolet Silverado 2500HD
366 Great Deals out of 30,448 listings starting at $3,000
Used Dodge Ram 1500
443 Great Deals out of 11,106 listings starting at $2,000
Used Toyota Tundra
701 Great Deals out of 34,613 listings starting at $1,500
Used Toyota Tacoma
697 Great Deals out of 45,608 listings starting at $2,500
Used Ram 1500
1,381 Great Deals out of 119,739 listings starting at $5,900
Used Chevrolet Tahoe
826 Great Deals out of 41,815 listings starting at $1,995
Used Chevrolet Colorado
341 Great Deals out of 37,552 listings starting at $1,995
Used Ford F-250 Super Duty
394 Great Deals out of 48,801 listings starting at $1,899
Used Chevrolet Camaro
437 Great Deals out of 31,438 listings starting at $1,450
Used GMC Sierra 2500HD
121 Great Deals out of 14,247 listings starting at $2,799
Used Dodge Charger
469 Great Deals out of 33,054 listings starting at $1,999
Used Ford Mustang
607 Great Deals out of 38,713 listings starting at $1,895

Used Cars For Sale

2018 Chevrolet Silverado 1500 For Sale
29 Great Deals out of 83,463 listings starting at $21,055
2017 Chevrolet Silverado 1500 For Sale
208 Great Deals out of 29,510 listings starting at $17,694
2016 Chevrolet Silverado 1500 For Sale
246 Great Deals out of 6,903 listings starting at $17,159
2015 Chevrolet Silverado 1500 For Sale
492 Great Deals out of 11,892 listings starting at $12,510
2014 Chevrolet Silverado 1500 For Sale
457 Great Deals out of 12,295 listings starting at $9,900

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.