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Any Major Problems with Wrong Ft/lb on Front Struts V70-XC70 1998

posted by  someone claiming to be JT on  Sat Jun 1 14:11 CST 2002 [RELATED]

I installed the Volvo Front Struts today but in all honesty don't know how reliable my torque wrench was. Is there anything to be concerned about if I just tightened till I can't tighten it anymore?







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    Any Major Problems with Wrong Ft/lb on Front Struts V70-XC70 1998

    posted by  Sin on  Sat Jun 1 15:13 CST 2002
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    There are a number of places bolts/nuts need to be tightened. Are you talking about the entire strut assembly as well as how it is mounted to the car? There are a bunch of critical torque values I would be worried about if my torque wrench was inaccurate.








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      Any Major Problems with Wrong Ft/lb on Front Struts V70-XC70 1998

      posted by  someone claiming to be JT on  Sat Jun 1 16:57 CST 2002 [RELATED]

      Yes, there is a base that attaches to each strut by the existing 3 bolt/nut. Manual says to crank it up to 19 ft/lb (25Nm). The Volvo front strut also has an additional bolt/nut on each side that attaches the pole to the base that attaches to the front struts. For this part, manual says 30 ft.lb (40Nm). I'm quite sure I tightened it more than the above stated. Perhaps next time I take it to the shop, I should have tech check?







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        Any Major Problems with Wrong Ft/lb on Front Struts V70-XC70 1998

        posted by  Sin on  Sat Jun 1 18:13 CST 2002
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        First of all, what makes you think your torque wrench is inaccurate? It takes years of proper use, to make one inaccurate.

        Was the strut preassembled? Because I did a full suspension change last summer consisting of Koni adjustable shocks/struts, H&R springs, iPd anti-roll bars, PowerFlex bushings, and new hardware. While assembling the struts with the springs, there were a few more things to torque.

        I would basically try to get my hands on an accurate torque wrench. They aren't very expensive. I wouldn't bother asking a tech to check for proper torque. I can't remember the last time I actually say a tech break out a torque wrench.








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          Any Major Problems with Wrong Ft/lb on Front Struts V70-XC70 1998

          posted by  someone claiming to be JT on  Sun Jun 2 10:46 CST 2002 [RELATED]

          Sin,

          I'm not too worried that I've tightened it below the ft/lb specified in the manual, 19 and 40 are not too tight as far as I know. I don't suppose there would be any negative side effects if it was too tight or over would there? If it is under the stated ft/lb, I guess you wouldn't feel the effect of the strut bar, that is, it wouldn't serve it's purpose to keep the struts from flexing during cornering.








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            Any Major Problems with Wrong Ft/lb on Front Struts V70-XC70 1998

            posted by  Sin on  Sun Jun 2 11:21 CST 2002
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            There are number of negative side effects to overtightening certain suspension bolts and nuts, such as excessive shear force on the nuts/bolts, which could easily shear a bolt off, or cause removal of said components to be impossible, by causing them to seize.







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