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Thread: 200tdi alternator belts snapping

  1. 26th August 2014, 04:53 PM #1
    jbazz Guest

    200tdi alternator belts snapping

    I'm having some trouble and can't for the life of me figure out why; my alternator belts keep snapping. All of the pulleys move freely and none of them are loose. They all appear to be lined up, only thing I can think is i might be buying the wrong size belt, I have been using 11a1030, does that seem right?
    Hoping someone has seen this issue and can share some insight for me
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  2. 26th August 2014, 06:14 PM #2
    jboot51
    jboot51 is offline Master Gold Subscriber
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    The correct belt is ETC7939 which is 1025mm
    5mm shouldn't make too much of a difference.
    '95 Defender 130 Single Cab
    HS2.8 TGV Powered
    ------------
    98% of all Land Rovers built are still on the road.
    The other 2% made it home.

    Cost difference between Britpart and Genuine seals: £2.04. Knowing that your brakes won't fail at any moment: Priceless.
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  3. 26th August 2014, 06:20 PM #3
    jboot51
    jboot51 is offline Master Gold Subscriber
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    the 11A appears to be correct aswell.
    So it's probably not a belt problem.


    Is it actually snapping or just falling off ????
    '95 Defender 130 Single Cab
    HS2.8 TGV Powered
    ------------
    98% of all Land Rovers built are still on the road.
    The other 2% made it home.

    Cost difference between Britpart and Genuine seals: £2.04. Knowing that your brakes won't fail at any moment: Priceless.
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  4. 26th August 2014, 06:24 PM #4
    jbazz Guest
    Its snapping, has happened more times then I liked to admit, don't drive her much so never really bothered me much, but going on a bit trip soon.
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  5. 26th August 2014, 06:58 PM #5
    BilboBoggles
    BilboBoggles is offline Master Subscriber
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    You dont happen to have rats? My old range rover snapped a few belts until one day half a rat appeared underneath.
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  6. 26th August 2014, 07:18 PM #6
    jbazz Guest
    Nope no rats happens when I'm driving, I put a new belt on the other day drove about 80km~ and it snapped.
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  7. 28th August 2014, 05:28 AM #7
    modman
    modman is offline Master Subscriber
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    Diagnose where the damage came from
    One side?
    Base of belt?
    Delamination?
    Inspect pulleys, look at wear marks
    Stone gouge somewhere maybe?
    How deep is the belt being pulled?
    I got rid of that mag morelli POS early on and ran a magna Bosch unit
    10a more and Japanese electrical reliability
    Dc
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  8. 29th August 2014, 01:01 AM #8
    Red90
    Red90 is offline Wizard
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    It is probably the alternator "stalling" on occasion. Change the alternator. I've a friend that went through this same experience.
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  9. 2nd September 2014, 08:06 PM #9
    jbazz Guest
    Sorry for the late reply, but it turned out the problem was the alternator; must have been seizing up.
    Replaced it and all is going well!
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