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Open Roads Forum  >  Fifth-Wheels

 > Near tragic event!!

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Lightning55

Pleasanton, CA

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Posted: 09/27/20 11:19am Link  |  Quote  |  Print  |  Notify Moderator

You'll probably never know the cause for sure, but I think most likely fatigued wheel studs from over tightening was the bottom line cause. I'd be worried about all the other wheels having stretched studs.

Walaby

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Posted: 09/27/20 11:32am Link  |  Quote  |  Print  |  Notify Moderator

12th Man Fan wrote:

For those of you who think a TPMS will tell you if a wheel comes of, I think you are mistaken. I am not positive but I don't think they will alarm if this happens.

Mine will tell me when a sensor has lost signal. Im pretty sure if a tire went flying it would be out of range and lose the signal.

Mike


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time2roll

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Posted: 09/27/20 12:02pm Link  |  Quote  |  Print  |  Notify Moderator

JKJavelin wrote:

You will get many opinions here, but I think the studs sheared from over tightening or, more probable, defective studs. You might want to replace all of the studs, and for sure, replace the other tire from that side. The remaining tire took the whole load from that side and may be compromised. I'm glad you avoided other damage.
JK
+1 on this.

Yes I have always used a torque wrench set to 105 and the oem studs would seem to stretch as the nut was tightened. It was like the steel was soft and as they were tightened it took more turn than expected before I would get a click.

Fast forward 10 years and I put disk brakes on my trailer. The lugs tighten much different and seem stronger where they snug right up and the wrench clicks firmly. Previously it would be an extra 1/4 turn where it should have been tight but had a soft finish.

I feel lucky to have never lost a wheel with the original AL-KO hardware.


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Posted: 09/27/20 12:44pm Link  |  Quote  |  Print  |  Notify Moderator

Lippert?

fj12ryder

Platte City, MO

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Posted: 09/27/20 01:03pm Link  |  Quote  |  Print  |  Notify Moderator

Walaby wrote:

12th Man Fan wrote:

For those of you who think a TPMS will tell you if a wheel comes of, I think you are mistaken. I am not positive but I don't think they will alarm if this happens.

Mine will tell me when a sensor has lost signal. Im pretty sure if a tire went flying it would be out of range and lose the signal.

Mike
It strictly depends on the make and model of TPMS. The TST system has about an hour lag time between losing contact with the sensor and notifying you of an issue. Other makes have differing times.


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fj12ryder

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Posted: 09/27/20 01:09pm Link  |  Quote  |  Print  |  Notify Moderator

Just a FWIW, but some lug wrenches are not designed to be used to loosen nuts and bolts, even though they are ratchets. Especially the cheapo wrenches. Be sure to check that your particular torque wrench can be used in a counterclockwise direction. Not all of them can.

cummins2014

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Posted: 09/27/20 05:47pm Link  |  Quote  |  Print  |  Notify Moderator

fj12ryder wrote:

Just a FWIW, but some lug wrenches are not designed to be used to loosen nuts and bolts, even though they are ratchets. Especially the cheapo wrenches. Be sure to check that your particular torque wrench can be used in a counterclockwise direction. Not all of them can.


Plus they actually have to be recalibrated at some point to insure accuracy . We were required to recalibrate , don’t remember now if it was every six months or year . Not sure how important it has to be for wheel torquing , or how far out of calibration they can get . I’ve never personally had my torque wrenches checked for calibration.

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