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Front break overheating, very hot . 2nd time in 10 months. new cal., pads, rotor
2011 Ford F-250 Super Duty

Front break overheating, very hot . 2nd time in 10 months. new Cal., Pads, Rotor

(2011 Ford F-250 Super Duty)
Mechanic thinks it's the abs controller. Same thing happened 10 months ago and replaced pads ,Rotor and caliper.
What seems to make the problem better or worse? stop and go traffic
How long have you had this problem? 2nd time in 12 months
Tags: let cool down stopped ov, ford, f 250 super duty
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2 answers & 1 comment
Popular Answer
on June 06, 2019

Was the *flexible brake hose* replaced along with the caliper? .. When bleeder screw is opened without brake pedal depressed - got pressure there - fluid squirt out?

Common for brake hose to collapse internally keeping residual fluid pressure on caliper piston - overheating will certainly occur.
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on June 06, 2019

An *experienced mechanic* should be able to quickly and accurately diagnose this issue - it simply isn’t that complicated!

Perhaps the personnel attempting this repair doesn’t meet that criteria (?)
General Diagnosis
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on June 06, 2019

Was the *flexible brake hose* replaced along with the caliper? .. When bleeder screw is opened without brake pedal depressed - got pressure there - fluid squirt out?

Common for brake hose to collapse internally keeping residual fluid pressure on caliper piston - overheating will certainly occur.
Sign in to reply
on June 06, 2019

An *experienced mechanic* should be able to quickly and accurately diagnose this issue - it simply isn’t that complicated!

Perhaps the personnel attempting this repair doesn’t meet that criteria (?)
on June 06, 2019
Hello, it is quite possible that the hydraulic control unit (HCU) of the anti-lock braking system is causing the concern you are experiencing. However, it is also true that there is no way to assuredly determine this component is the cause of failure other than by changing it. Not data stream information, no trouble codes and no physically verifiable characteristics will condemn the HCU.

Using a heat gun, verify the temperature of the front brakes of your truck verses a like truck. If you have verified a significant temperature difference between vehicles, and you have verified all components installed are verified as proper for the vehicle and are functioning as designed -- including ensuring brake hoses are not twisted or kinked -- then by process of elimination, the HCU could be the cause of your concern.

The most common cause of failure that I have seen has resulted in pushing caliper pistons back into the caliper bores during a brake job without opening the caliper bleeders, thus forcing fluid backwards through the brake lines. This can cause problems to develop.

Expensive "guess" but could very well be the fault.
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