2014 389 Peterbilt Clutch noise

Discussion in 'Peterbilt Forum' started by malan, Nov 13, 2013.

  1. malan

    malan Bobtail Member

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    Nov 13, 2013
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    Any body experiencing loud pressure noise in the 2014 Peterbilts clutch ISX cummins 15? So loud have to wear ear plugs and crank stereo. Been in multiple shops and they say its o.k. been adjusted, throwout bearing straightened out etc. Only has 5000 miles on it, they say it is what it is. What it is is a headache giver & know for a fact it shouldn't be that bad Been driving for 35+ yrs 20 of those as owner/op. I wished the company would just give me back my old truck.
     
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  3. Gearfloater

    Gearfloater Bobtail Member

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    Dec 17, 2011
    Baltimore maryland
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    take it back something is out of spec. and when they test drive it after the repairs have them do it on the hwy along with u in it.
    best of luck to you.
    Gearfloater
     
  4. malan

    malan Bobtail Member

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    Nov 13, 2013
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    been in 3 different Peterbilt shops. Lost more work than I have driven in the past 3 wks. Spent a week in there this last time said all was good after test drive , they must be deaf ( BTW got broke into on thier lot, T.V. CB and a bag with about 100 bucks stolen, other trks hit harder though so guess shouldnt whine). I'm just stumped I was owner/op and did all my truck repairs. And the so called EXPERTS cant figure it out.
     
  5. missjhawk

    missjhawk Medium Load Member

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    Jul 24, 2013
    nutbush
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    I was told by an old school driver that if u don't feel comfortable driving tell the head people in charge u don't feel safe driving that truck because of that loud noise in truck. I drove a 387 pete when u used 2 hear a loud noise like around my clutch it sounded like it was falling apart shop finally found out my air dumb valve was going bad and it wasn't allowing my bags 2 fully air back up it took them a while 2 find my problem
     
  6. Flying Dutchman

    Flying Dutchman Road Train Member

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    Nov 2, 2009
    Northern California
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    Our company has been purchasing Peterbilt 384s to get everything CARB compliant here in CA.....our yard just got 5 brand new ones and each have the same rattling from the clutch that you mentioned. As soon as I put my foot on the clutch pedal, even in the freeplay without engaging, the noise goes away. Our mechanic has greased, adjusted, and compared to older trucks in the yard to solve the problem and has yet to come up with a solution.
     
  7. After Midnight

    After Midnight Bobtail Member

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    Feb 6, 2016
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    I have a 2014 Peterbilt 389 with a 550 ISX cummins 2050 TQ,RTLO2019 18spd trans and it makes a rattling sound when I release the clutch and start to roll into the throttle I grease the heck out of the bearing,took it to my local peterbilt dealer with only 35,000 miles on it at the time and they put 2-2 1/2 lbs weights on the linkage and said that would fix the problem,and it did not.Now with 146,000 miles on it still makes the same noise,what a piece of crap clutch,I don't know what else to do beside pull the clutch out and see what is going on.
     
  8. Harley2e

    Harley2e Bobtail Member

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    Aug 13, 2016
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    2004 389 cannot push clutch in
    Very stiff tclutch ???
     
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