Screaming noise when engine starts

Discussion in 'Fiat' started by Robert Clark, Nov 7, 2014.

  1. Robert Clark

    Robert Clark Funster Life Member

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    2014 Fiat Ducato - 5000 miles
    Makes a high pitch screaming noise when starting from cold, having been left to stand for a while. Stops after a moment
    Sounds a bit like slipping fan belt or similar
    Any ideas?

    Regards
    Robert
     
  2. ukbill

    ukbill Funster

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    yep most of my diesel vans did that i just put up with it of you can spray the belts
     
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  3. Zains Pops

    Zains Pops Funster

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    Check the tension of the auxiliary belts and look for signs of slippage,also check alternator for secure fitting any movement can be a problem
     
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  4. Wildbill

    Wildbill Funster

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    I once got that it only happened the once I had run over next doors cat:rofl:
    all joking aside it's your service or fan belt slipping
     
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  5. Flyingscotsman2

    Flyingscotsman2

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    ukbill like that first thing in morning .....:rofl:
     
  6. TheCaller

    TheCaller Funster

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    Almost certainly the belt slipping as the alternator is trying to push a lot of charge back into the battery at low revs. Does it stop straight away if you take the revs up to about 1200?

    I think they have an automatic tensioner on them, so I'm not sure there is a lot you can do apart from holding it at a slightly brisk tickover for about 20 seconds.

    The more sophisticated 12V management systems wait a minute before also trying to charge the habitation batteries, but unless yours does that, that's a big demand all at once & at low speed - big torque demand.
     
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  7. TheTwoOfUs

    TheTwoOfUs Funster

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    You haven't left a Beyonce CD in the player have you? :)
     
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  8. Wildbill

    Wildbill Funster

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  9. dabhand

    dabhand Funster Life Member

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    Make sure your missus isn't in the loo!
     
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  10. peterc10

    peterc10 Funster

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    I had the same problem. Turned out to be a slipping air con belt on my 2008 Ducato 2.3. What annoyed me was that it was the same belt that the Fiat garage had just fitted because they said the old one was frayed. Turns out Fiat had send them a belt that was slightly too big. Lots of apologies and a new correct sized belt later the screeching stopped.
     
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  11. mitzimad

    mitzimad Funster

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    after market belts are often the cause transit were particularly fussy about non ford belts
     
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