Really Irritating Buzz

Discussion in 'Tech/Mech General' started by Biged, Jun 17, 2015.

  1. Biged

    Biged Read Only Funster

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    We have a TEC 718ti MH and its great (normally) its built on a Transit long wheelbase chassis.

    We have just returned from 17 days in France and during this time its developed a terrible buzz/vibration, it happens above 50 MPH and usually on toll roads which we have mostly traveled on, it continues from this speed up.
    It does not happen all the time and not on all road surfaces and it stopped when it rained?
    I have dipped the clutch and coasted but it still continues.
    We have felt everything in the cab but can't pinpoint anything that's vibrating.

    By the way it did not come on at all coming up the from Dover to Nottingham!
     
  2. The Dude

    The Dude Funster

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    Wheel bearings?
     
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  3. Puddleduck

    Puddleduck Funster

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    Road noise ? There is a road near us where you often see vehicles stopped and people looking round and underneath them with worried expressions - the road surface there is awful and makes a buzzing noise and sets up a vibration that unless you know sounds and feels like a flat tyre.
     
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  4. andy63

    andy63 Funster

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    My initial thought was the tyres... sometimes Get a buzzing /vibration type noise on certain surfaces.
     
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  5. Biged

    Biged Read Only Funster

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    I thought tyres but i cant see how they would stop and start on the same journey?
    My brother suggested wheel bearings but surely they would make a noise constantly?
     
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  6. beacons

    beacons Funster

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    We had one after stopping a couple of times we realised it was the spare wheel rack
    under the back of the van we'd gone over
    some bumpy ground on the site we were
    staying on re ajusted the tyre and all ok
    what a relief.
     
  7. Jonkil

    Jonkil Funster

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    Is it rear wheel drive?
    If so, Driveshaft carrier bearing.
     
  8. rangitira

    rangitira Funster

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    All the "pink" roads in Devon makes you think somethings wrong (A30) hell ov a racket!
     
  9. Forestboy

    Forestboy Funster Life Member

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    We developed one in France as well this year. Sounds like dripping water drives us bloody nuts. Searched every inch of the cab area can't find it and like yours it's intermittent.:eek:
    Good luck.:)
     
  10. Biged

    Biged Read Only Funster

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    Yes Jonkil it is rear wheel drive, if it's something like that I am going to have to get it booked in somewhere and checked out. Would that be intermittent?
     
  11. deanroofing

    deanroofing Funster

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    We were in France last week and had a buzzing noise in the cab, we were on a toll road, went on another section of road it stopped, all the way home nothing, had to be the road surface, but it does drive you nuts.
     
  12. icantremember

    icantremember Funster

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    Are you sure you don't have an irate bumblebee trapped somewhere? :rolleyes:
     
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  13. s20hymer

    s20hymer Funster

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    I get the same symptoms from passengers seat when taking wrong turning
     
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  14. Jonkil

    Jonkil Funster

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    Likely not.... But
    Carrier bearing can give this type of symptoms under certain load conditions. Best have it checked as it is a common fault in RWD transits.
     
  15. Graham and Jane

    Graham and Jane Funster Life Member

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    We had that it was the electric step was not fully reclining. Dealer help us by putting a rubber strip and the rear of the step, never has a problem since.
     
  16. tonyidle

    tonyidle Funster

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    Handbrake cable(s) touching propshaft?
     
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