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Old 09-20-2020, 12:40 AM   #1
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Lug Nut Torque, 2017 Redwood 3901MB

Just bought a 2017 Redwood 3901MB. Going through my shakedown, and want to check that the lug nuts are torqued properly (not too loose, not too tight).

I donít have a specific manual, but had Lippert send me the axle manual. Unfortunately it doesnít discuss my specific axles, and the table doesnít list mine.

I have 8K axles, ST215/75R17.5H tires, 9/16Ē lug stud, cone lug nut, 7/8Ē wrench.

Does anyone know the proper torque value? Iíll guess 150lb/ft, but would like to have the actual spec.
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Old 09-20-2020, 12:54 AM   #2
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Try this torque chart from Lippert.
This should cover what you are asking for and more.
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File Type: pdf torque chart by lippert.pdf (177.2 KB, 51 views)
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Old 09-20-2020, 02:37 AM   #3
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Quote:
Originally Posted by r time soon View Post
Try this torque chart from Lippert.
This should cover what you are asking for and more.
Thanks for responding! But, same issue I’m having with their axle manual: I can’t find my specific information...

I have 8K axles, ST215/75R17.5H tires, 9/16” lug stud, cone lug nut, 7/8” wrench.
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Old 09-20-2020, 01:39 PM   #4
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130 to 140, I generally tighten mine to 130 and haven't lost a wheel yet.
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Old 09-20-2020, 06:19 PM   #5
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Quote:
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130 to 140, I generally tighten mine to 130 and haven't lost a wheel yet.
Same as Michelle! I was told 120 to 140 so as she said 130 has worked well!
I was taught that when re installing the wheel torque it, travel a couple hundred miles then re-torque & done til wheel is removed again.
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Old 09-22-2020, 06:07 AM   #6
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I have a 2020 3401 with 8000 lb Lippert axles. The rims are marked as HiSpec and it has 215/75/17.5 H rated Tires. The HiSpec website shows torque for 9/16" lug nuts as 120-140 ft-lbs. Hope this helps.
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File Type: pdf LugNutTorque.pdf (175.5 KB, 8 views)
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Old 09-23-2020, 02:37 AM   #7
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Thanks everyone! Going to go with 140lbft...
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Old 09-26-2020, 07:53 PM   #8
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What about MorRyde IS system, should you go with 140 ft lbs as well?
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Old 09-27-2020, 03:44 AM   #9
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9/16 on Aluminum wheels suggests 130-150 ft/lb
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