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Front driver side wheel locking up/skidding when braking.

Tiny
KBLACKBURN
  • MEMBER
  • 1994 CHEVROLET S-10
  • 185,000 MILES
Sorry for the long story! I replaced the passenger side rear axle shaft along with pinion bolt, wheel bearing and seal, both rear brake shoes, both drums, and all brake hardware for rear. But I never bled them (i know I know!) Drove for two weeks. In these two weeks, I felt a slight pull to the front driver side wheel progressively get worse. I then went back and adjusted the adjuster screw and bled the rear brakes. Also tried to bleed the front as well, but broke off the bleeder screw. So drove for one day, still pulling to the front left wheel but now skids when braking quickly. So the next day, I replaced both front calipers so I could bleed the fronts. Bled all four wheels at this time, but still having the same problem with the front driver wheel. And I believe I just have rear ABS. Any ideas?
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Wednesday, July 11th, 2012 AT 12:13 PM

12 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
You may only have rear abson that vehicle as standard. Try replacing your front brake hoses as they may have collapsed inside causing this problem. Then rebleed system.
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Wednesday, July 11th, 2012 AT 1:31 PM
Tiny
KBLACKBURN
  • MEMBER
  • 7 POSTS
When I bled all four for the last time, brake fluid came out normally as if nothing was wrong. All four brake normally when doing the bleed process. I've heard of using an ABS scanner when bleeding when the system is not working correctly? I just think its ironic that its only doing this with the wheel closest to the master, like all the pressure is just going to this one wheel and not any further than that.
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Wednesday, July 11th, 2012 AT 1:40 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
When hoses go bad they wil let the fluid go through but not return so yoru brake locks up. Also check for grease on the pad. You don't need a scanner to bleed your brakes.
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Wednesday, July 11th, 2012 AT 1:41 PM
Tiny
KBLACKBURN
  • MEMBER
  • 7 POSTS
Would the pad need to be replaced if brake fluid got on it? Or would just cleaning with brake cleaner be sufficient?
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Wednesday, July 11th, 2012 AT 1:44 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
That is really a toss up there, most of the time you replace the pad bu ti've also cleaned them well and it worked, but you needsuffiecient drying time. I really think you have ahose problem unles you aren't telling us something.
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Wednesday, July 11th, 2012 AT 1:46 PM
Tiny
KBLACKBURN
  • MEMBER
  • 7 POSTS
Ok, I dont think it is the pad then, as it did start happening before I changed out the caliper at which at that time I did get a little fluid on the pad but cleaned very well. And I told you down to the very last detail of what work and the time frames I did it in. I will check the hoses. Would you think I 'd have to replace both the front driver and passenger or just the driver side hose that is locking up? Or the passenger side that maybe not getting enough pressure to equal the balance of the other side? Btw, thanks for your input on this, I really appreciate your time.
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Wednesday, July 11th, 2012 AT 1:50 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Replace both not one
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Wednesday, July 11th, 2012 AT 1:51 PM
Tiny
KBLACKBURN
  • MEMBER
  • 7 POSTS
Replaced both hoses and the hard line from the right wheel to the y valve (saw a little twist in the line). This did make it stop locking up when I break normally with still a small pull to the left wheel, but when stopping abruptly still locks up. Any more ideas?
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Thursday, July 12th, 2012 AT 11:44 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
The only other thing I can think of actually two. Make sure your calipers slide ok in the brackets and then have yoru front end check ed, you may have a bad bushing or worn part making it do this. Unless I actually saw tis I can't give you adefinitive answer.
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Thursday, July 12th, 2012 AT 12:31 PM
Tiny
KBLACKBURN
  • MEMBER
  • 7 POSTS
Proportioning valve?
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Thursday, July 12th, 2012 AT 12:38 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Don't be doing guess work throwing parts at it to try to fix it. It will cost you more than to have someone look at it and give you a better diagnosis. To many people do this throw parts at it thinnking they can fix it and it ends up costing them more money than to have a pro fix it. This really needs to be looked at.
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Thursday, July 12th, 2012 AT 12:54 PM
Tiny
KBLACKBURN
  • MEMBER
  • 7 POSTS
I find "the pro" many times will do the same thing, play the guessing game. Just as you are right now. And another mechanic is telling me the same things. You start one place and work your way forward. But yes, I am to that point where I am done "guessing" as you call it. Or should I say, fixing what is bad. I don't replace anything that works. Please choose your words wisely as you may really offend someone. But thank you for your time and knowledge.
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Thursday, July 12th, 2012 AT 1:00 PM

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