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Old 12-12-2011, 10:57 AM   #1
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Why does a simple project, never go easy? Lug Studs/Hub Issue

Yesterday, on my 2011 LaCrosse 318BHS, I was going to do a bearing/brake check.

First wheel, I try to take off.. One lugnut, ok.

Two, hmm... this doesn't seem to be going right... Lugnut starts coming off, but the entire stud is spinning with it... No good.

Three, same result.

Four, same result

Five, same result

Six, that one is ok..

Through a combination of wood blocks, prybars, and lots of patient swearing, I got the wheel off.

I get the hub off, and turn it drum side down, and four lug studs (wheel studs) fell out. No tapping, hammering, just fell onto the ground... The studs/nuts were not cross-threaded, nothing...



A little backstory, I had one lug on this wheel broken off. Primetime, sent me a new stud, no problem. I replaced it several months ago, no issue.

Now I know, some think I under/over-torqued. I have a recently calibrated Snap-On torque wrench that I use. Upon first check when I got it home after PDI, initial delivery, all the wheel lugs were very loose... Like 30-50 ft.lbs.. Whatever, crappy dealer, torqued, and moved on.. I thought the more recent broken lug stud was a result of this improper torque originally.

Well, fast forward to today... Here I am, going to Disney World in 3.5 weeks and only 2 studs on one hub that are somewhat firmly secured. I have contacted Primetime, but wanted to share here. I am hoping everyone will check their wheels/studs for this condition..

The rest of the wheels went smoothly. No issues at all, but it does make me wonder if there will be issues in the future.

I have attached some pictures of the hub, but they really do not show anything other than some studs and a hub..

Thanks.
John
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Old 12-12-2011, 12:36 PM   #2
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Alum or steel wheels? Youroo!!
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Old 12-12-2011, 12:37 PM   #3
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Aluminum...

Primetime seems to be on the case. I have chatted on the phone and via email..

They seemed ok with the timeframe...

John
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Old 12-12-2011, 03:09 PM   #4
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Buy yourself a little jar of silver anti-seize and coat those lug studs so you never have this issue again. Good luck!
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Old 12-12-2011, 03:15 PM   #5
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Quote:
Originally Posted by Taranwanderer
Buy yourself a little jar of silver anti-seize and coat those lug studs so you never have this issue again. Good luck!
But that affects the torque rating. It will be much more tight than 100 ft/lbs...

Never grease lug studs with anti-seize or grease ..

John
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Old 12-12-2011, 03:32 PM   #6
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Quote:
Originally Posted by foxhead View Post
But that affects the torque rating. It will be much more tight than 100 ft/lbs...

Never grease lug studs with anti-seize or grease ..

John
Agree....big no-no.
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Old 12-12-2011, 04:00 PM   #7
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I didn't say grease, I said anti-seize...a compound made specifically for this type of application. I might be new to RVing, but I'm not new to wrenching on stuff, and I've been using anti-seize on lug studs in high torque applications (ie, Jeep's studs that have a LOT of force applied to them during rock crawling,) and I've never had a problem with lug nuts sticking or loosening prematurely. Anti-seize is your friend, trust me.
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Old 12-12-2011, 05:18 PM   #8
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Quote:
Originally Posted by Taranwanderer View Post
I didn't say grease, I said anti-seize...a compound made specifically for this type of application. I might be new to RVing, but I'm not new to wrenching on stuff, and I've been using anti-seize on lug studs in high torque applications (ie, Jeep's studs that have a LOT of force applied to them during rock crawling,) and I've never had a problem with lug nuts sticking or loosening prematurely. Anti-seize is your friend, trust me.
Thank you for your reply.

First, I am unsure how anti-seize would have helped this situation. The lug nuts were not seized to the studs. The pictures clearly show that. The wheel studs themselves spun in the hub. I was able to get the lugnuts off with no real problem other than what I have already described.

Secondly, anti-seize does change the torque values. I'm sure. See the video.


Moly lube (anti-seize) is used, and torque values changed. I too, have over 30 years of experience working on cars, trucks, and trailers. I have never used anti-seize on wheel bolts or nuts, and never had a problem.

I respectfully disagree with your opinion

Trust me...
John
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Old 12-12-2011, 05:50 PM   #9
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Looks like the splines are still on the studs - were the holes in the hubs drilled too large?
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Old 12-12-2011, 05:57 PM   #10
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Looks like the splines are still on the studs - were the holes in the hubs drilled too large?
That is what prime time and I think. Lippert has already denied the claim saying they looked over torqued. I say BS... I am so anal about torquing them correctly.

Prime time is still figuring exactly the best course of action. I'll pay for a hub at this point, I want to be able to go to Disney ...

PT has been great thus far. I am pleased with the service!
John
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