Author The importance of torque values  (Read 2451 times)

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  • Offline CT_Ron

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    Offline CT_Ron

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    The importance of torque values
    on: Mar 13, 2020, 01.59 pm
    Mar 13, 2020, 01.59 pm
    Soooooooo, I changed the final drive oil just now and when I unscrewed the fill cap, I thought it was way to loose. So after fill up, I tightened it a teensy weeny bit more and SNAP!!!!

    I beheaded the cap but was able to unscrew the lifeless thread still stuck inside thank god!. I̶ ̶l̶o̶o̶k̶e̶d̶ ̶u̶p̶ ̶t̶h̶e̶ ̶t̶o̶r̶q̶u̶e̶ ̶v̶a̶l̶u̶e̶ ̶a̶f̶t̶e̶r̶w̶a̶r̶d̶s̶ ̶a̶n̶d̶ ̶ I saw that the torque value was only 8nm, which I find odd for such a large bolt and fairly important function, but oh well...

    Damage costs: €32,18 for a freaking bolt excl. O ring... I can pick it up tommorow if the order is processed today, so fingers crossed.

    Can anyone recommend an affordable and reliable brand of torque wrenches? I never looked into these things but no way I'm doing this in the near future without one... Most of the ones I saw at any hardware store are well over 60,- which I find ridiculously expensive for a once a year usage.

  • Offline biker1300

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    Offline biker1300

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    Re: The importance of torque values
    Reply #1 on: Mar 13, 2020, 03.35 pm
    Mar 13, 2020, 03.35 pm
    if you change your engine oil yourself you could use the torque wrench    it would be cheaper than a stripped drain plug       also the diff plugs are made of cheese

  • Offline wack

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    Offline wack

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    Re: The importance of torque values
    Reply #2 on: Mar 13, 2020, 03.40 pm
    Mar 13, 2020, 03.40 pm
    Hello CT_Ron,

    I did a little research on this one last year, and read quite a few reviews. You can spend ridiculous amounts on torque wrenches of varying types and sizes etc.

    I found that the Halford's brand are quite good and generally, well reviewed - still not cheap though !

    I ended up with the 12 - 100Nm 3/8" drive option at £85 (convinced the other half to get it as a Birthday/Christmas present  :152:) !!!

    Bye for now.

    Wack


  • Offline hoppicker   gb

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    Offline hoppicker

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    Re: The importance of torque values
    Reply #3 on: Mar 15, 2020, 09.30 am
    Mar 15, 2020, 09.30 am
    I did exactly the same thing Ron, the day before a 10 day tour. Luckily I found a bolt in the workshop with the same thread. After a bit of welding and machining I ended up with a replacement that will never break. I now use a torque wrench on it every time as I don't want to strip the thread in the final drive. I bought a new cap and O ring, which should be made of gold for the price charged, it's still in the packet. I wonder if it's designed so weakly to protect the thread in the final drive, a bit like a shear bolt used in other applications.

  • Offline CT_Ron

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    Offline CT_Ron

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    Re: The importance of torque values
    Reply #4 on: Mar 15, 2020, 09.51 am
    Mar 15, 2020, 09.51 am
    *Originally Posted by hoppicker [+]
    I did exactly the same thing Ron, the day before a 10 day tour. Luckily I found a bolt in the workshop with the same thread. After a bit of welding and machining I ended up with a replacement that will never break. I now use a torque wrench on it every time as I don't want to strip the thread in the final drive. I bought a new cap and O ring, which should be made of gold for the price charged, it's still in the packet. I wonder if it's designed so weakly to protect the thread in the final drive, a bit like a shear bolt used in other applications.

    I'm very curious, do you have a picture of it?

    I too think it is designed to break easily. It broke like breaking a kitkat candy bar, it went so easy... And the thread left inside, I was able to unscrew using my finger and I had no damage to the thread inside, as if it was designed to do so like a fail safe. I can not explain in words how tense I felt yesterday screwing in the new bolt, which indeed is made of 24k gold... But I'm glad I had a new one within 24hr.

    A life lesson learned: Read the manual.
    Last Edit: Mar 15, 2020, 10.03 am by CT_Ron

  • Offline CT_Ron

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    Offline CT_Ron

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    Re: The importance of torque values
    Reply #5 on: Mar 15, 2020, 09.58 am
    Mar 15, 2020, 09.58 am
    *Originally Posted by wack [+]
    Hello CT_Ron,

    I did a little research on this one last year, and read quite a few reviews. You can spend ridiculous amounts on torque wrenches of varying types and sizes etc.

    I found that the Halford's brand are quite good and generally, well reviewed - still not cheap though !

    I ended up with the 12 - 100Nm 3/8" drive option at £85 (convinced the other half to get it as a Birthday/Christmas present  :152:) !!!

    Bye for now.

    Wack

    Thanks Wack! I'm still very suspicious towards these wrenches. I read a lot of people complaining that the values have too much deviation. The cheaper, the worse. I need them for precision values like those oil drain screws but also my rear wheel bolts which are over 100nm. I dont want to spend €120,- but I know I might destroy a thread or bolt something down too loose with a cheaper one..

    My birthday is in december but my wedding in July, so... tools it is ^_^.

  • Offline Viffer18

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    Offline Viffer18

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    Re: The importance of torque values
    Reply #6 on: Mar 25, 2020, 06.27 pm
    Mar 25, 2020, 06.27 pm
    Aldi did a cheap torque wrench. I'm not saying it's super accurate but not let me down yet.

    Tend to set under rather than over just in case

    I don't do enough mechanics to pay big money or have one regularly calibrated.

  • Offline Viffer18

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    Offline Viffer18

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    Re: The importance of torque values
    Reply #7 on: Mar 25, 2020, 06.33 pm
    Mar 25, 2020, 06.33 pm
    *Originally Posted by CT_Ron [+]


    I too think it is designed to break easily. It broke like breaking a kitkat candy bar, it went so easy...

     I was able to unscrew using my finger and I had no damage to the thread inside, as if it was designed to do so like a fail safe.



    Faulty drain plug from manufacturer??

    or have Honda learned most stealerships let the YTS yoof do oil changes and the subsequent carnage that involves

     



    arab-exile