Front wheels brake binding?

Tiny
BLESSING EWOBOR
  • MEMBER
  • 2007 KIA MAGENTIS
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 134,212 MILES
Hello, the front wheels are binding, it becomes very hot that it melted the rim cover. The ABS has been removed, the master cylinder has been replaced, and the brake calipers have been serviced. The problem still persists, what could be the cause and what can be done?
Thank you
Tuesday, May 20th, 2025 AT 11:16 AM

6 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
When the front wheels are locking, remove the tires and open the bleeder, this will tell you if the problem is hydraulic or mechanical. If the wheel starts to turn when the bleeder is opened, then the brake booster is bad and not returning fully causing the system to retain pressure. Please go over this guide as well to help fix the problem:

https://www.2carpros.com/articles/a-comprehensive-guide-to-fixing-automotive-brakes-locking-up

Please go over this guide and get back to us.
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Tuesday, May 20th, 2025 AT 12:38 PM
Tiny
BLESSING EWOBOR
  • MEMBER
  • 754 POSTS
Thank you very much for the article.
When you say the brake booster, do you be the assembly of the servo and master cylinder or what?
I would be grateful if I can have a diagram on it.
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Tuesday, May 20th, 2025 AT 1:16 PM
Tiny
BLESSING EWOBOR
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  • 754 POSTS
Hello
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Tuesday, May 20th, 2025 AT 8:35 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
Did you loosen the bleeder screws to see if the problem is hydraulic? You can loosen the master cylinder nuts as well, and if the wheels start to turn you know what the problem is.
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Thursday, May 22nd, 2025 AT 9:58 AM
Tiny
BLESSING EWOBOR
  • MEMBER
  • 754 POSTS
Hello, whenever the vehicle has not been driven for awhile, the brake seems working normal.
The vehicle was driven until the front brake began to bind. It was very hot, at that time, diagnosis was carried out. The bleeder screws at the front brake were loosen, at first hydraulic fliud came then stop. The brake pads was pressed several times but fliud didn't flow from the bleeder screws any longer, which suggest a blockage somewhere. One of pipes on the master cylinder was loosen, with the brake pads depressed, fluid was running out. It was observed that the flexible hose between the brake calipers and the pipes coming from the master cylinder was blocked, there is restriction of fluid. Replacing the hoses solved the problem.
Thank you for your support so far.
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Saturday, June 7th, 2025 AT 4:12 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
Glad you could get it fixed, thanks for letting us know. Please use 2CarPros anytime we are here to help.
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Saturday, June 7th, 2025 AT 9:24 AM

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