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#4720310 - 04/08/18 08:47 AM Shops sometimes over-torque lug nuts
jorton Offline


Registered: 07/04/03
Posts: 3095
Loc: San Antonio, TX
Can over-torqued lug nuts cause ride issues at high speeds? At 80 my new tires feel like they're bouncing.
Yokohama Avid Touring S
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#4720312 - 04/08/18 08:49 AM Re: Shops sometimes over-torque lug nuts [Re: jorton]
eljefino Offline


Registered: 06/15/03
Posts: 32775
Loc: ME
Rarely but IF you have lug-centric (aftermarket) rims without centering rings AND if they ran the first lug home hard before putting the rest on the rim could be cocked on the hub face making a bad ride.

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#4720320 - 04/08/18 09:01 AM Re: Shops sometimes over-torque lug nuts [Re: jorton]
tcp71 Offline


Registered: 08/12/13
Posts: 289
Loc: Alberta
Overtightened lug nuts can cause warping of the rotors and vibrations. Especially tightened along one side first.

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#4720331 - 04/08/18 09:10 AM Re: Shops sometimes over-torque lug nuts [Re: jorton]
andyd Online   content


Registered: 09/25/04
Posts: 7283
Loc: Marshfield , MA
Some ham fisted idjit over torqued the Rat's front studs until they stretched and spun in the hub. I had to split the nuts on 3 studs to get the LF wheel off
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#4720342 - 04/08/18 09:21 AM Re: Shops sometimes over-torque lug nuts [Re: tcp71]
jorton Offline


Registered: 07/04/03
Posts: 3095
Loc: San Antonio, TX
Originally Posted By: tcp71
Overtightened lug nuts can cause warping of the rotors and vibrations. Especially tightened along one side first.

Is rotor warp permanent or will it return to normal when I re-torque? Does over-torquing have similar effect on rear drums?
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#4720362 - 04/08/18 09:49 AM Re: Shops sometimes over-torque lug nuts [Re: jorton]
03s Offline


Registered: 09/21/08
Posts: 72
Loc: St. Catharines Ontario Canada
Wheel nut torque specs

http://www.jegs.com/images/photos/300/326/326-wheelnuttorquespecs.pdf

or check your owners manual


Edited by 03s (04/08/18 09:50 AM)
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#4720382 - 04/08/18 10:09 AM Re: Shops sometimes over-torque lug nuts [Re: 03s]
jorton Offline


Registered: 07/04/03
Posts: 3095
Loc: San Antonio, TX
Thanks for the chart. I replaced 2 piece nuts on the jeep with one piece Dorman nuts yesterday.
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#4720391 - 04/08/18 10:22 AM Re: Shops sometimes over-torque lug nuts [Re: jorton]
Uphill_Both_Ways Offline


Registered: 11/06/17
Posts: 68
Loc: Winnipeg
Last year, thanks to over-torquing, the vibrations grew so bad I replaced all the rotors (after trying to live with it for six months). The next day I bought a torque wrench.

The chain where I bought the tires offers free wheel rotations, so now, as soon as the car is back in the parking lot after a rotation, I loosen every nut, then give the wrench a workout. A hundred kilometres later I do it again, all of it a real pain in the winter — and elsewhere.

I'll never buy tires there again. But now, because of the wrench, I don't have to take any tire shop's word for it — and I won't.
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#4720397 - 04/08/18 10:32 AM Re: Shops sometimes over-torque lug nuts [Re: jorton]
mightymousetech Offline


Registered: 04/03/17
Posts: 1480
Loc: Ontario, Canada
Originally Posted By: jorton
Originally Posted By: tcp71
Overtightened lug nuts can cause warping of the rotors and vibrations. Especially tightened along one side first.

Is rotor warp permanent or will it return to normal when I re-torque? Does over-torquing have similar effect on rear drums?


It’s permanent.
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#4720399 - 04/08/18 10:35 AM Re: Shops sometimes over-torque lug nuts [Re: jorton]
4WD Online   confused


Registered: 09/21/10
Posts: 6545
Loc: Texas
Son’s F150 has 89k and a couple weeks after Firestone put a set of AT’s on … got a brake warning...

Pulled both a F/R wheel to check pads (truck bought used, no history) and the factory wrench had no chance.
(Son is 6-3’ and 260) …even with a longer cross wrench it took all either of us had to break them = crazy … and all dozen we took off were like that …
Put the cross wrench in the truck …

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#4720491 - 04/08/18 11:52 AM Re: Shops sometimes over-torque lug nuts [Re: Uphill_Both_Ways]
jorton Offline


Registered: 07/04/03
Posts: 3095
Loc: San Antonio, TX
You just can't trust anyone. It's never too late to try to do things right.
_________________________
"If everything seems under control, you're just not going fast enough."
- Mario Andretti



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#4720526 - 04/08/18 12:38 PM Re: Shops sometimes over-torque lug nuts [Re: jorton]
Lapham3 Offline


Registered: 12/23/13
Posts: 849
Loc: Minnesota
I just don't let anyone touch lug nuts or drain plugs. The most important fasteners usually cranked on by the lowest paid young fellas too often thinking about girls, ect and not what they're doing.

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#4720584 - 04/08/18 01:55 PM Re: Shops sometimes over-torque lug nuts [Re: jorton]
slacktide_bitog Offline


Registered: 03/20/08
Posts: 6378
Loc: USA
Shops always over-torque lug nuts. FTFY smile

The only exceptions I know of are DT and Walmart, and possibly a small number local/regional places.

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#4720616 - 04/08/18 02:32 PM Re: Shops sometimes over-torque lug nuts [Re: jorton]
Virtus_Probi Offline


Registered: 06/25/15
Posts: 4067
Loc: New England
The indy tire shop I like hand torques wheels and makes customers sign a little slip saying they will come back for a retorque in about 100 miles.
I just take care of it with my own torque wrench, and there are almost always a couple of nuts that actually need it. I have noticed the same thing when I swap my own wheels.
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#4723551 - 04/11/18 11:52 AM Re: Shops sometimes over-torque lug nuts [Re: jorton]
camrydriver111 Online   content


Registered: 07/01/14
Posts: 1509
Loc: Canada
How does a rotor warp by over torquing? It's a thick slab of cast iron.

I think you would damage the threads, studs/bolts, or the wheel before damaging the rotor.
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