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ABS brakes and AdvTrack

Tiny
GREG4272
  • MEMBER
  • 2005 FORD EXPLORER
  • 3.0L
  • V6
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
I have seen other posts about this issue but I am interested in any opinions you can offer. When I first drive off in my truck, the brakes lock up and the truck drops into four wheel drive high. It will not roll at all and will occasionally jerk until I pull over. I have to turn the steering wheel left and right to get it to move. After about five minutes of this suddenly the AdvTrak light will kick on and the truck will move freely. I have had sensors changed but nothing has solved the problem. Any advice would be greatly appreciated.
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Wednesday, January 17th, 2018 AT 3:46 AM

8 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

Are there any codes in the ABS system?

Roy
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Wednesday, January 17th, 2018 AT 3:52 AM
Tiny
GREG4272
  • MEMBER
  • 4 POSTS
None. All those boards have been replaced by a mechanic and Ford reprogrammed the system.
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Wednesday, January 17th, 2018 AT 8:01 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
I would still have the system checked for codes for a malfunction in the AdvTrac system which is part of the ABS.

Also, has anyone checked the brakes? Particularly the front brake hoses?

Roy
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Wednesday, January 17th, 2018 AT 8:04 AM
Tiny
GREG4272
  • MEMBER
  • 4 POSTS
Brakes are brand new. Thought that was the problem initially. Someone suggested it might be the ball bearings. Watch the video and see if it helps explain it.
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Wednesday, January 17th, 2018 AT 9:48 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
What about the brake hoses?
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Wednesday, January 17th, 2018 AT 5:08 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,878 POSTS
Hello,

Yes, that does sounds like a wheel bearing that is out. Can you tell if it is front or rear? The video is great by the way. the only way to go for noises.

If it is front the front this guide will give you an idea on what you are in for when replacing the bearing hub.

https://www.2carpros.com/articles/bearing-hub-replacement

Below is how it will be for your car. You can get the part from Amazon I suggest doing both sides.

Check out the diagrams (below).

Let us know what happens and please upload pictures or videos of the problem.

Cheers, Ken
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+1
Wednesday, January 17th, 2018 AT 5:13 PM
Tiny
GREG4272
  • MEMBER
  • 4 POSTS
Thank you so much. I wish I had asked for your help earlier.
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Thursday, January 18th, 2018 AT 3:17 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,878 POSTS
Good to hear, please use 2CarPros anytime we are here to help.

Cheers, Ken
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Thursday, January 18th, 2018 AT 10:15 AM

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