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Old 05-22-2018, 10:09 PM   #1
Join Date: Jan 2013
Location: Huntsville Al
Posts: 64
Wheel lugs loose

I own a 2018 Southwind on a Ford f-53 chassis with 22.5" wheels. It is my 5th Class A.

When reading over the Ford manual it
recommends checking the tightness of the wheel lugs at 50 miles and again at 1000 miles.

It is highly unlikely that the manufacturers, dealers, or transport companies do this. So an a recent trip I stopped by a truck tire shop to have them checked. Not one single bolt was tightened to the recommended 350 ft/lbs and two were to the point that they could come off before long.

I have never checked this before on any of my RV's but the tech suggested that everyone have a new rv checked.

Since the spec is so high it cannot be done with a normal tire wrench. They charged me 60.00, not bad for something so important to safety.

I will be sure to require the lug nut torque be checked by the dealer before purchasing my next RV

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Old 05-22-2018, 10:59 PM   #2
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Join Date: Jan 2012
Location: Cincinnati
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350 ft-lbs of torque can be achieved with a proper sized socket, breaker bar, and a piece of pipe as an extension of the breaker bar. With effort 3.5' out from the socket, you only need apply 100 pounds to the lever to apply 350 ft-lbs of torque. If the lever was 7' long, only 50 lbs of force would be needed. Science and Math are fun.


Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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Old 05-23-2018, 05:34 AM   #3
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Join Date: Aug 2016
Posts: 348
F-53 22.5 Aluminum wheel nuts should be 450 ft lbs. I would recheck your spec. not 350 ft lbs.
Pete , Stroudsburg , PA. 2017 Tiffin 32 SA 24K Chassis
Sumo Springs, Safe T Plus, F&R RM SB, R-CHF,R-TB,F Koni FSD,R Koni FSD Quad Shock, 8 K F Axle 84 psi,13,620 K R Axle 82psi
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