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Thread: Td5 belt tensioner

  1. 18th April 2016, 02:23 PM #1
    robbotd5's Avatar
    robbotd5
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    Td5 belt tensioner

    Gday all
    Is it normal for the belt tensioner on the Td5 to have a slight wobble when the engine is running? I just changed the bearing on mine because the original had a slight tick in it. I bought a cheap after market tensioner and just swapped bearings. Don't tell me the tensioner is stuffed!!!
    Regards
    Robbo
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  2. 18th April 2016, 04:44 PM #2
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    Quote Originally Posted by robbotd5 View Post
    Gday all
    Is it normal for the belt tensioner on the Td5 to have a slight wobble when the engine is running? I just changed the bearing on mine because the original had a slight tick in it. I bought a cheap after market tensioner and just swapped bearings. Don't tell me the tensioner is stuffed!!!
    Regards
    Robbo
    Well then im not going to tell you anything different then
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  3. 18th April 2016, 07:44 PM #3
    PAT303
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    Quote Originally Posted by robbotd5 View Post
    Gday all
    Is it normal for the belt tensioner on the Td5 to have a slight wobble when the engine is running? I just changed the bearing on mine because the original had a slight tick in it. I bought a cheap after market tensioner and just swapped bearings. Don't tell me the tensioner is stuffed!!!
    Regards
    Robbo
    Buy a tensioner from the UK,much cheaper. Pat
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  4. 19th April 2016, 05:01 PM #4
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    New tensioner.

    Evening all
    Well I just fitted a new genuine tensioner and the thing is still jumping around so I'm at a loss....
    Is it normal for it to do this? Could the new harmonic balancer be causing it?
    Regards
    Robbo
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  5. 19th April 2016, 05:55 PM #5
    discorevy
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    Check your serpentine belt, while its off check all other pulleys for play / tight spots , check harmonic balancer, but unless its bad , I wouldn't stress too much
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  6. 19th April 2016, 06:04 PM #6
    PhilipA
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    Mine jumps a bit back and forward while idling even with a new belt, and new genuine tensioner and idler. ie the pulley and arm move back and forward as a unit. If only your pulley is moving you have a problem.

    I put it down to the power pulses between cylinders.

    The ECU actually measures the acceleration from each cylinder and compensates with increasing/decreasing injector duration, hence the +2% etc you see on Nanocom.
    regards Philip A
    Last edited by PhilipA; 19th April 2016 at 06:05 PM. Reason: more info
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