What could be causing this on the front end?

Discussion in 'Ask An Owner Operator' started by drvrtech77, Jun 12, 2020.

  1. drvrtech77

    drvrtech77 Road Train Member

    Mar 20, 2010
    Doesn’t anyone have any idea what would be causing this...

    when my trk takes off there’s a loud screeching/grinding sound when taking off and stopping and it’s definitely coming from the front end... Truck had an alignment and is dead on center with alignment but still pulls to the right of the steering wheel feels like it’s got tension on it to the right also a loud what sounds like a flapping sound coming from under the front end and I can feel it under the floorboard and pedal area all that is around 20 miles an hour...
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  3. bad-luck

    bad-luck Road Train Member

    Nov 16, 2013
    Baltimore, Maryland
    Where did you get an alignment done? I hope you did not get it done at a truck stop. It is always best to take it to an alignment/spring shop. It is possible your right front wheel bearing is going bad where the spindle. Also check the steering axle brake adjustment. It's possible you're right front brake camed over
    Last edited: Jun 12, 2020
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  4. SmallPackage

    SmallPackage Road Train Member

    Dec 20, 2019
    Marion Texas
    Check to see if the s-cam or slack adjuster is bad or sticking and causing the brake on right side to drag causing the sound and pull.
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  5. Cattleman84

    Cattleman84 Road Train Member

    Nov 1, 2017
    The Sticks, Idaho
    As to the flapping noise... I had a ferring loose on the rear passenger side of the sleeper. I could have swore it was something under the hood, and it took me months to find it. Once I fixed the loose ferring the flapping noise went away.
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  6. drvrtech77

    drvrtech77 Road Train Member

    Mar 20, 2010
    I just checked that and it’s missing one bolt..peterbilt in Houston took that fairing off to replace the dpf filter and evidently didn’t tighten it worth a darn..
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  7. Deere hunter

    Deere hunter Road Train Member

    Aug 5, 2017
    Swap front tires if it pulls the other way it’s a bad tire. Happen to me recently after alignment!
  8. Johny41

    Johny41 Road Train Member

    Feb 10, 2011
    Ontario, Canada
    I would check hub bearing/spindle or could be broken /weak brakes shoe return spring.
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  9. Ridgeline

    Ridgeline Road Train Member

    Dec 18, 2011
    When was the last time you had your drums pulled off and the rollers, cams and bushings looked at, cleaned and lubed or replaced?

    I had this problem on one truck, the driver had it checked a number of times by different dealers and it ended up at a hole in the wall shop somewhere down in Alabama run by old guy without any teeth, he listened to the driver, kept nodding his head as the driver kept on and on, when the driver asked if he got it, he said "after your second setance, I knew what the problem was, you were trying to go around an open barn instead of just walking through it" so I get the call for the approval, talk to the guy and he said the problem is with the s cam and rollers. He said he is going to replace everything and the truck will be right.

    He was right.
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  10. Trucking in Tennessee

    Trucking in Tennessee Road Train Member

    Mar 19, 2018
    I worked for a company that did in house alignments. Truck still pulled terrible. The old fat guy just shrugged his shoulders and said it's aligned, that's all we are going to do. Eventually I came in and the night manager heard me talking about it. He looked the truck over, and said go take a break, and when I came back he had taken the Bridgestones off and put on Michelins. Drove like a Caddy after that.
  11. whoopNride

    whoopNride Road Train Member

    Jan 13, 2008

    I would definitely check the wheel bearings. I have had them make a grinding noise. If it has the permanently sealed bearings, look inside the brake shoes/drum for metal shavings.
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