Timing Belt Renewal Time/Distance

Discussion in 'Tech/Mech General' started by Jim, Aug 25, 2010.

  1. Jim

    Jim Ringleader

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    I presume because of low mileage on motorhomes this is on time rather than miles. Can someone tell me what the recommended best practice is for motorhome timing belt renewal on Fiats and Mercs. Thanks
     
  2. Brisey

    Brisey Funster Life Member

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    Hi Jim

    I was told that 5 years is the lifetime of a cam belt.
    Mercs have a chain I think. Geo will no doubt confirm this.

    Brisey
     
  3. hilldweller

    hilldweller Funster Life Member

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    When we bought ours, with 4k on the clock and 4 years, I saw 4 years on one Fiat book, Barrons said 6 years and somewhere else 5 years.

    We did it at 5 years. Belt looked like new. But one pulley was about to collapse.

    This is not a cost to be skimped.
     
  4. Jim

    Jim Ringleader

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    So is this not an issue on a Merc then?
     
  5. lindyloot

    lindyloot Funster Life Member

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    our Autotrail had 1300 miles on it when we brought it. It is a 2005 model. Rich changed ours in June, he only did the belt as we only have just over 4000 miles in the clock so far. If you have'nt done the mileage you need to go by age as the material the belt is made of deterioates. You will find that the majority of Mercs are chain driven. In fact I don't know of a merc that is belt driven.
    Lin
     
  6. Geo

    Geo Trader - Funster

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    Hi Jim
    Fiats eat cam belts
    Mercs eat pistons
    Mercs have chains as stated
    Fiat recommend 72ooo miles or 5 years:thumb:
    PS I recommend 50ooo miles or 4 years
     
  7. scotjimland

    scotjimland Funster Life Member

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    It's a shame Honda don't do motorhomes.. they have chains and don't eat pistons

    or buy a proper engine.... Cummins Diesel :thumb:
     
  8. Geo

    Geo Trader - Funster

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    Its worth noting that
    Dealer belt change intervals are getting longer and longer
    Either
    Belts and pulleys are getting better and better :thumb:
    Or
    Dealers are getting braver and braver:Eeek:
    With your wallet:Eeek:
     
  9. acting_strange

    acting_strange

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    Timing Belt Renewal Time/Distance?

    Jim...because you have been so helpful to me today I thought I would offer you the best advice I personally have on this issue....

    In my opinion, and I have to re-iterate it is only my opinion, you should definately change the timing belt/chain after it has broken....:Rofl1::Rofl1::Rofl1::Rofl1:
     
  10. buttons

    buttons Funster

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    My 2.5 VW T5 doesn’t have a timing belt, or for that matter any belts, cam is gear driven and auxiliaries are driven by couplings. Why haven’t the others thought of this?:Smile:
     
  11. Dodgey

    Dodgey Funster

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    As no one else has said it yet I'll get in first, changing cambelt OK, but pullys/tensioners also, as from what I gather alot of failures aren't actually the belt but a pully failing. Also, some setups it's advised to change the water pump, I guess where it is driven by the cambelt or acts as a tensioner.

    No experts just adding bits I've read/heard over the years.

    All out vehicles are chain cams, 3 are yank and one's a Suzi V6, well it's in peices at the mo for a little rebuild, not the motor the car:Doh:
     
  12. JJ

    JJ Funster

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    Never mind Fiat, Merc, Ford, VW etc... what you want is an...

    IVECO

    (I change my belt etc every 3 years approx... Had the Wagon since 2001 and this is the fourth belt...)

    JJ

    Yes... change tensioner and pullies too but don't forget the water pump while you are at it... :RollEyes:
     
  13. chrisgreen

    chrisgreen Funster

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    our vauxhall vectra is 100.000 miles or ten years:Eeek:
     
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