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Old 07-03-2015, 11:05 AM   #1
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2000 31' Excella
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What length wheel lugs for P32 duals?

Hi folks. need your help.
I have a 2005 LY 30 on a P32 18,000 lbs gvwr chassis. 19.5 rims.
On last trip, I had 9 of the 10 wheel lugs on the left duals break off. Lucky to be alive since I was going down a Tennesee mountain pulling a toad on I75 just before the Kentucy border at 60mph. Must have had some help.
The last lug that didn't break also held the wheel cover on.
Road service had a hard time finding replacements so not sure what lugs they put on. But they are shorter than the lug that held the wheel cover. So at the very least I need to replace one of the shorter lugs with a longer one to attach the wheel cover. ( wheel cover is held on with an extra nut on 2 of the lugs)
Not a mechanic but this is what I know. Both rims are steel. lug is 5/8" and nut is 1 in. Lug is flat on the on the inside end. But don't know the length nor the strength ( is that the right word?) of the lug required. They are supposed to torque to 175 lbs. Airstream factory techs were no help and can't seem to find info on internet.
Your info would be appreciated.
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Old 07-03-2015, 02:32 PM   #2
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1974 20' Argosy 20
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Wow, you were d*mn lucky

A while back I was looking for lug nuts for a 198 310 Classic and this is what I came across for a replacement. They are 1-1/16" across the flats. Not sure why they would be a little bigger than on your coach.

Classic series lug nuts

You might give one a try and see how it works.

Good luck!

Brad
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Old 07-14-2015, 04:25 PM   #3
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Thanks for your reply Brad. But I am looking for is the lugs ( or bolts) not the nuts. This is a real problem to get hold of these. I just found a source ( had to be a dealer) and the cost to buy and get these to Canada is over $100. US About $ 135.00 Canadian. Just might wait until I go south.
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Old 07-14-2015, 06:15 PM   #4
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Oops, sorry about that!

I don' know that I have heard of anyone breaking lug studs before. Do you know how they got broken?
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Old 07-16-2015, 10:33 AM   #5
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[QUOTE=bkahler;1652153

I don' know that I have heard of anyone breaking lug studs before. Do you know how they got broken?[/QUOTE]

Happens too frequently. but with serious results. Caused by wheel nuts not being tightened to spec; too much or too little torque. you most likely have heard of tires coming off a truck on the hiway into someone's front car window.
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Old 07-16-2015, 11:26 AM   #6
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Quote:
Originally Posted by woodytwo View Post
Happens too frequently. but with serious results. Caused by wheel nuts not being tightened to spec; too much or too little torque. you most likely have heard of tires coming off a truck on the hiway into someone's front car window.
Yep, heard of loose tires from time to time. Fortunately I always torque lug nuts to their proper spec.

Brad
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Old 08-10-2015, 07:30 AM   #7
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Did you find your replacement lug studs? A while back I went to NAPA Auto parts and they were able to match mine right up. The hard part is having drums removed to have the broken ones pressed out to replace. Mine were the rear wheels.
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Old 08-15-2015, 11:28 AM   #8
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Quote:
Originally Posted by gloran View Post
Did you find your replacement lug studs? A while back I went to NAPA Auto parts and they were able to match mine right up. The hard part is having drums removed to have the broken ones pressed out to replace. Mine were the rear wheels.
Thanks for your interest.

I finally was able to obtain the right size. I had contacted Napa on my own but this time my new mechanic was able to get them to do some research. I had provided the vehicle vin and was stopped there. this time gave them the chassis serial # and they were able to get the gmc part # and then cross reference to their napa part #. Had to buy box of 10 since they were sourced thru a wholesaler. but now I have 10 matching lugs torqued 3 times to the required 175 lbs.

In the process of pulling off the left rear duals, found that the emergency repair people had installed the outside spacer between the two wheel rims, and an oil seal rather than a grease seal on the shaft. so right now I'm happy that this is over with.
woody
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