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Oiled Or Greased Studs? #5340272 02/03/20 07:35 PM
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Mr_Luke Offline OP
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In the Prius owner manual they tell you not to oil or grease the wheel studs because the nuts may loosen.
I've been lubing mine for decades and never seemed to notice any problems with wheels loosening.

Do you lube your studs or not?


2012 Toyota Prius C / 108k
Conoco Phillips 0w20 FS
Federated PG4476F
Re: Oiled Or Greased Studs? [Re: Mr_Luke] #5340276 02/03/20 07:38 PM
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stxonall8 Online Content
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I could see maybe anti seize but ive never had a issue with a lug nut i’ve installed. Knock on wood


mine 15 silverado crew cab 5.3 2wd valoline syn 0w20 fram toughguard oil filter
hers 16 silverado ex-cab 4x4 4.3 ff
Re: Oiled Or Greased Studs? [Re: Mr_Luke] #5340279 02/03/20 07:43 PM
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Chris142 Offline
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Lug nuts are to be installed dry. The friction between the ball ,seat and threads are what keeps them on. Lubricate one of those and you lose 1/2 of the things that keep them on.


02 Wrangler Napa high milage 10w40
87 F250 Valvoline 15w40
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Re: Oiled Or Greased Studs? [Re: Mr_Luke] #5340283 02/03/20 07:43 PM
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Railrust Offline
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Technically you’re not supposed to add anything to the wheel studs, it changes the torque value when you tighten them.


2018 Chevy Silverado 5.3
2007 Lexus LS460 (deceased)
2008 Honda CRV
(Whatever synthetic oil is on sale or rebate)
Re: Oiled Or Greased Studs? [Re: Mr_Luke] #5340284 02/03/20 07:44 PM
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mk378 Online Content
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With steel wheels it is important that the area where the lug nut bears on the wheel is dry bare metal. Putting oil or grease on the threads is OK but don't overdo it.

Re: Oiled Or Greased Studs? [Re: Mr_Luke] #5340301 02/03/20 08:03 PM
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super20dan Offline
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been oiling mine for 50 years. never a problem


99 silverado 5.3
2003 tundra v6
1981 toyota cressida wagon
2003 kia sorento
04 toyota highlander 4cyl 2013 toyota rav4
Re: Oiled Or Greased Studs? [Re: Mr_Luke] #5340325 02/03/20 08:20 PM
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maxdustington Offline
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One drop of ATF is pretty nice. If oil on the threads will affect torque, what effect will rust have?


99 Toyota Tercel CE 5EFE/C151
Re: Oiled Or Greased Studs? [Re: Mr_Luke] #5340350 02/03/20 08:35 PM
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Leo99 Offline
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I never oil mine. Never even knew people did this until recently.


Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles (RIP)
2004 Corolla 125,000 miles
2004 Rav4 392,000 miles
2015 Camry 90,000 miles
Re: Oiled Or Greased Studs? [Re: Mr_Luke] #5340358 02/03/20 08:46 PM
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Ihatetochangeoil Offline
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Yes, I grease mine. My owner's manual (Buick) says not to use oil or grease on the lug nuts or studs.

It also has a maintenance schedule that goes only to 150K miles. Left that on every vehicle I've ever owned.

I've been using Sil Glyde on my lug studs for 30+ years, along with a torque wrench and I reduce torque by 10% due to lube. Never had any issue. Those engineers who wrote the manual with advice and consent from attorneys aren't going to be there on a dark and stormy night to change a tire for me. FWIW, my owner's manual has NO scheduled maintenance for brake fluid nor power steering fluid changes, but I do these because it lets me sleep better at night; and common sense tells me that hydraulic systems work better with clean fluid.
My owner's manual also tells me to check my Windshield Washer fluid level at each fuel fill. Who does that?

Peace, Love & Jellybeans

Re: Oiled Or Greased Studs? [Re: Mr_Luke] #5340431 02/03/20 10:46 PM
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SLO_Town Offline
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I use T9 Boeshield. One drop on the threads near the end of the bolt or stud so that it “carries” when you screw things together. I let it dry before reassembly. Never use anything on taper or ball socket.

Scott


03 BMW E46 330Ci ZSP (Euro Castrol 0W-30)
10 Honda Element SC (Castrol Magnatec 5W-30)
11 BMW E90 328i M-Sport (Pennzoil Euro 5W-40)
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Re: Oiled Or Greased Studs? [Re: Ihatetochangeoil] #5340432 02/03/20 10:48 PM
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madeej11 Offline
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Originally Posted by Ihatetochangeoil
Yes, I grease mine. My owner's manual (Buick) says not to use oil or grease on the lug nuts or studs.

It also has a maintenance schedule that goes only to 150K miles. Left that on every vehicle I've ever owned.

I've been using Sil Glyde on my lug studs for 30+ years, along with a torque wrench and I reduce torque by 10% due to lube. Never had any issue. Those engineers who wrote the manual with advice and consent from attorneys aren't going to be there on a dark and stormy night to change a tire for me. FWIW, my owner's manual has NO scheduled maintenance for brake fluid nor power steering fluid changes, but I do these because it lets me sleep better at night; and common sense tells me that hydraulic systems work better with clean fluid.
My owner's manual also tells me to check my Windshield Washer fluid level at each fuel fill. Who does that?

Peace, Love & Jellybeans

If you don't over torque your wheels you won't need those puppetized engineers to loosen those lug nuts on a dark and stormy night. You might have to go more than 10% under if you're using a lubricant on the wheel studs. I personally wouldn't lubricate the studs.

Last edited by madeej11; 02/03/20 10:51 PM.
Re: Oiled Or Greased Studs? [Re: Mr_Luke] #5340433 02/03/20 10:49 PM
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JeffKeryk Offline
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Just a slight brush of anti seize for me. And a torque wrench. And a star.


2018 Tesla Model 3, Medium Range Battery
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2013 Lexus GS350 F Sport
2006 Acura TSX
2001 Tundra Access Cab, 1998 Accord LX, 1968 Corvette L36 Roadster, 1965 Olds 4-4-2
Re: Oiled Or Greased Studs? [Re: Mr_Luke] #5340448 02/03/20 11:39 PM
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geeman789 Offline
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I broke off 5 studs on my Subaru Impreza over a two year period. Lug-nuts were torqued to spec with a torque wrench. Never ever had an issue with any previous cars.

Every single one broke when removing the wheel. The lug-nut would loosen slightly, then bind up on the stud and seize. When forced, the stud would snap.

I was told the cause was thread galling ( sometimes called cold welding ), made worse by Subaru's choice of a finer thread pitch for the studs, and low quality OE stainless lug nuts. I had never heard of that before, but was advised to put a VERY light dab of anti-seize on the threads only. Over 7 years and dozens of wheel swaps, I haven't had a problem since ...


2011 SUBARU Impreza 5-door manual / 2016 HONDA Pilot / 2011 MAZDA 2 auto
Re: Oiled Or Greased Studs? [Re: Mr_Luke] #5340461 02/04/20 12:31 AM
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berniedd Offline
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I often had a hard time loosening my cars' lugnuts come rotation time (every 13,000 miles) until I started to use a little engine oil or grease on the threads. I use 20% less torque than the dry spec. I kept a close eye on them every month, to see if any would loosen, but none ever did. Now I check them every 6 months. Again, not one ever loosened. And I have 5 vehicles, 4 have alloy wheels, 1 has steel.

Re: Oiled Or Greased Studs? [Re: Mr_Luke] #5340471 02/04/20 01:25 AM
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ctechbob Offline
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Tiny bit of anti seize on the threads. And a torque wrench set to 84. I've had my run-ins will galled threads and snapped studs over the years. I've never had a wheel come off or a snapped thread since then. And this includes a car with many many track laps on R-Compound rubber. Don't over do it, be mindful of not torquing the snot out of the nuts, and only use a smidge and you'll be fine.

This topic is generally as contentious as anti-seize on spark plugs.

Last edited by ctechbob; 02/04/20 01:26 AM.

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