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Car Forum / Volvo Cars / May 2007Wheel Lug torque - 01 V70
What is the proper torque value for the wheel lug bolts on a 2001 V70 (alloy wheels, if that makes a difference)? TIA... In an earlier contribution to this discussion, > What is the proper torque value for the wheel lug bolts on a 2001 V70 > (alloy wheels, if that makes a difference)? > > TIA... VADIS says 140 Nm (~103 ft.lbs) I've never been convinced that a torque wrench is necessary when doing up wheel bolts or nuts - there isn't one supplied with the spare wheel! I just do them up tight - and then some!  SignatureCheers, Roger ______ Email address maintained for newsgroup use only, and not regularly monitored.. Messages sent to it may not be read for several weeks. PLEASE REPLY TO NEWSGROUP! > In an earlier contribution to this discussion, > [quoted text clipped - 8 lines] > wheel bolts or nuts - there isn't one supplied with the spare wheel! I > just do them up tight - and then some! I had much less trouble with brake pulsation after I started using a torque wrench on wheels with disc brakes. Drums don't seem to care. Mike In an earlier contribution to this discussion, >> In an earlier contribution to this discussion, >> [quoted text clipped - 16 lines] > > Mike How do you explain that? Are you suggesting that you were succeeding in distorting the discs? When using a torque wrench, were they tighter than before, or less tight? I'm a great believer in doing them up in sequence 1-3-5-2-4 *three* times - i.e. nipping them on the first pass, tightening them on the second (while still on the jack) and finally tightening them on the ground. I've never had any problems with brake pulsation - other than the anti-lock mechanism occasionally doing what it's designed to do! SignatureCheers, Roger ______ Email address maintained for newsgroup use only, and not regularly monitored.. Messages sent to it may not be read for several weeks. PLEASE REPLY TO NEWSGROUP! > >> I've never been convinced that a torque wrench is necessary when > >> doing up wheel bolts or nuts - there isn't one supplied with the > >> spare wheel! I just do them up tight - and then some! The spare wheel is temporary... I do them with the torque wrench for a couple of reasons: 1. Why not? They are bolts, just like any other bolt, with the additional caveat that their function is somewhat more critical at 140 km/hr than the valve cover fasteners. 2. I can sleep soundly, knowing that the bolts are not over-stressed. 3. I know that they are tight enough so that my Lovely Bride will not lose a wheel whilst driving, but not so tihgt that she can't remove them on the side of the road, should she need to put the spare on. > > I had much less trouble with brake pulsation after I started using a > > torque wrench on wheels with disc brakes. Drums don't seem to care. > > How do you explain that? Are you suggesting that you were succeeding in > distorting the discs? I've heard this before, I don't know if it's urban legend or not. > When using a torque wrench, were they tighter than > before, or less tight? I'm betting that they are less tight with a torque wrench. Back when dinosaurs roamed the earth, I was a technician at a VW dealer...I always used a torque wrench on alloy wheels. I was the only guy that did so. Everyone else shot them on with the air wrench...this was before the days of torque-limiting extensions (which I don't trust so much anyway). Had a few people complain after getting a flat, though I don't recall any complaints of brake pulsation... > I'm a great believer in doing them up in sequence 1-3-5-2-4 *three* times - > i.e. nipping them on the first pass, tightening them on the second (while > still on the jack) and finally tightening them on the ground. That should work - if they aren't too tight! <g> > In an earlier contribution to this discussion, > [quoted text clipped - 6 lines] > distorting the discs? When using a torque wrench, were they tighter than > before, or less tight? I realize the whole "brake pulsation" thing is controversial; I'm just reporting my experience. FWIW, here's CanadianDriver's take on it: http://www.canadiandriver.com/articles/jk/020109.htm "...Incorrect tightening of the wheel nuts also can warp a rotor. When installing a wheel, snug up the wheel nuts and then tighten them in two stages using an alternating criss-cross pattern. Using a torque wrench is critical on modern vehicles. ..." Your Experience May Vary Mike |
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