Donald smith Posted January 25, 2018 Share Posted January 25, 2018 hi we have a 2012 mru that keeps breaking front wheel studs dealer claimed wheels the problem bought new wheels still keeps breaking studs is there any heavy duty stud solution studs are 22mm Quote Link to comment https://www.bigmacktrucks.com/topic/52306-broken-wheels-studs/ Share on other sites More sharing options...
HeavyGunner Posted January 25, 2018 Share Posted January 25, 2018 If you're not overloading the axle or abusing the truck in any other way I'd guess it's a defect. Quote The problems we face today exist because the people who work for a living are outnumbered by the people who vote for a living.The government can only "give" someone what they first take from another. Link to comment https://www.bigmacktrucks.com/topic/52306-broken-wheels-studs/#findComment-390462 Share on other sites More sharing options...
Hobert62 Posted January 25, 2018 Share Posted January 25, 2018 Is the hub worn letting the wheel ride on the studs and not the hub? 2 Quote Link to comment https://www.bigmacktrucks.com/topic/52306-broken-wheels-studs/#findComment-390475 Share on other sites More sharing options...
davehummell Posted January 25, 2018 Share Posted January 25, 2018 I had a driver that thought wheel torque on studs was hammer on the 1" air wrench until it broke the stud or stripped the nut. To much torque? 1 Quote Link to comment https://www.bigmacktrucks.com/topic/52306-broken-wheels-studs/#findComment-390476 Share on other sites More sharing options...
BGarofalo Posted January 25, 2018 Share Posted January 25, 2018 Worn hub as Hobert62 said. The pilot in the center of the hub is worn causing studs to fatigue and fail. Quote Link to comment https://www.bigmacktrucks.com/topic/52306-broken-wheels-studs/#findComment-390487 Share on other sites More sharing options...
Timmyb Posted January 26, 2018 Share Posted January 26, 2018 (edited) Is it 10 stud or spider hubs? My understanding is the hub only locate the rim while installing, and the nuts clamp the rim in place and it shouldn't really be running in the locating arms. Of course I may be mistaken in my knowledge I had a mate with worn cleats that kept breaking studs. If you have 10 stud then this obviously won't concern you. Edited January 26, 2018 by Timmyb Quote Link to comment https://www.bigmacktrucks.com/topic/52306-broken-wheels-studs/#findComment-390519 Share on other sites More sharing options...
41chevy Posted January 26, 2018 Share Posted January 26, 2018 (edited) Front load refuse rig? You running the Steel or Aluminum rims? Edited January 26, 2018 by 41chevy Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/52306-broken-wheels-studs/#findComment-390528 Share on other sites More sharing options...
kscarbel2 Posted January 26, 2018 Share Posted January 26, 2018 If you're not abusing the truck, I suggest you have your Mack brand dealer's service manager coordinate having you bring the truck down when his Mack district service representative is next in town for their regular visit. Quote Link to comment https://www.bigmacktrucks.com/topic/52306-broken-wheels-studs/#findComment-390529 Share on other sites More sharing options...
41chevy Posted January 26, 2018 Share Posted January 26, 2018 Wonder if the install of the studs damaged them. Seen it happen with "short cuts" Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/52306-broken-wheels-studs/#findComment-390530 Share on other sites More sharing options...
Timmyb Posted January 26, 2018 Share Posted January 26, 2018 Maybe mark the stud and see if it’s the same one/s. Is it possible the stud is not straight? Quote Link to comment https://www.bigmacktrucks.com/topic/52306-broken-wheels-studs/#findComment-390542 Share on other sites More sharing options...
Donald smith Posted January 27, 2018 Author Share Posted January 27, 2018 its a front load refuse truck 10 stud hubs with new style axle thread on hub cap we tried replaceing hub still breaks the studs in a couple of weeks it has new aluminum wheels cheap china steel ? Quote Link to comment https://www.bigmacktrucks.com/topic/52306-broken-wheels-studs/#findComment-390577 Share on other sites More sharing options...
41chevy Posted January 27, 2018 Share Posted January 27, 2018 Possibly the hub flange surface is not true to the wheel. When the lugs are tightened it pulls the hub flange to the wheel and stresses the stud. You or the dealer can check it for run out on the face with a dial indicator easy enough. Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/52306-broken-wheels-studs/#findComment-390585 Share on other sites More sharing options...
Hobert62 Posted January 27, 2018 Share Posted January 27, 2018 Driver issue? Is somebody hitting the lug nuts / studs on a high curb and breaking them off? Quote Link to comment https://www.bigmacktrucks.com/topic/52306-broken-wheels-studs/#findComment-390617 Share on other sites More sharing options...
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