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Belt tensioner pully

Discussion in 'Defender 90 / 110 / 130' started by Mackers, Dec 9, 2019.

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  1. Mackers

    Mackers Well-Known Member

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    My came out last week. I was just coming off the motorway. Anyway, a pal of mine drilled out the old thread and re-threaded it and put a helicoil in. Just thought I'd say in case it's quite rare for 'em to come off. The bolt sticking out too far is probably why it wasn't as secure as it should've been.

    [​IMG]
     
  2. tottot

    tottot Well-Known Member

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    Nothing to do with the bolt you have circled, the one that holds the tensioner to the block is underneath.
     
  3. neilly

    neilly Well-Known Member Full Member

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    What??

    Cheers
     
  4. tottot

    tottot Well-Known Member

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    In the pic it looks like the whole belt tensioner has come free from the engine.
     
  5. Mackers

    Mackers Well-Known Member

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    My mate came back from Dubai a fortnight ago. He'll be there all throughout March next year. He's the travelling landy race mechanic for a chap who owns a landy worth half a million and razzes it all over the sand dunes in Arab land. There's nothing at all he doesn't know about landys, in fact he's into innovation/invention too. He circled the pic.
     
  6. neilly

    neilly Well-Known Member Full Member

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    yes it has, which means your previous statement does not make sense.:D

    Cheers
     
  7. kevstar

    kevstar Well-Known Member Full Member

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    It makes sense to me o_O:D
     
  8. Disco1BFG

    Disco1BFG Well-Known Member Full Member

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    Not unheard of - probably overtightened by a PO - happened to SWMBO's D1 not that long ago - and I fixed it in the same way your pal fixed yours...

    Keep your eye on the belt - cos the "experience" didn't do SWMBO's any good at all :eek: ....:rolleyes:
     
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  9. Mackers

    Mackers Well-Known Member

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    He changed it whilst he was doing the job. The one that was on was shredded down one side. I was surprised that the main symptom is the PAS goes.
     
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  10. Disco1BFG

    Disco1BFG Well-Known Member Full Member

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    Indeed - as was SWMBO !! But it also means you have no water pump or alternator - the latter = so what - the former is more of a problem ....... New HG anyone ;) :rolleyes: :eek:
     
  11. Mackers

    Mackers Well-Known Member

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    All I heard was a one second sound akin to a clock spring unravelling, then battery light came on. Powersteering went a few minutes after that (or straight away but I was on a straight of the motorway). Fortunately not too far off home so got there in time :0)
     
  12. Disco1BFG

    Disco1BFG Well-Known Member Full Member

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    Your water pump stopped pumping the second the belt let go..... :( Hopefully, all is well, but if the HG goes, you'll know why....
     
  13. dag019

    dag019 Well-Known Member

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    I would also keep an eye on the helicopter repair. I had the same with the timing belt tensioner on my 200tdi. It was repaired with a helicoil but the helicoil then also pulled out (all be it 2 belt changes later) at which point I had to replace the timing chest.

    Also your belt looks very narrow compared to the pulley, but I am not familiar with the serpentine belt setup.
     
  14. Disco1BFG

    Disco1BFG Well-Known Member Full Member

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    That particular pulley on the 300's is a double pulley to enable an AC compressor to fitted above the FIP - and be driven from it - so it looks large on the photo for that reason :)
     
  15. dag019

    dag019 Well-Known Member

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    That would explain it, many thanks, as I said I am not familiar with the engine as I run a 200.
     
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