cpetruzzi

Anyone have the suggested torque for stock lug nuts?
Thanks,
Carmen
'08 Coupe Z51

PA_BLUE_C6

100 ft/lbs

wlean99

^^^^^^ what he said

Red08

that is correct

Gearhead Jim

100

In stages (50-80-100)

In a star pattern (skip every other nut)

Clean off any dirt or rust, but no anitseize, thread lube, oil, etc.

FortMorganAl

I am one of those lucky few people who found an instruction book in my glovebox written by GM that contains a wealth of information. They called it an "Owner's Manual" and
How I was so luck to get such a document I will never know.

BTW, GM make a huge mistake in posting this https://www.chevrolet.com/content/da...tte_owners.pdf If people knew about this they could all discover the secrets I learned.

obxchartercaptain

I am MORE lucky....I belong to the most informed & LUCKY group of corvette people in the world. If I need to know ANYTHING about my 08 Vert, all I have to do is ask on this forum and I get my answer. Could be I am also LAZY....

cpetruzzi

Alright, I get your point. I knew I read it somewhere and I did read the owners manual but for some reason I didn't think it was in there.
Thanks.

peter pan

That is what I tighten mine two

LedZepper

It can be clumsy to find things in the manual, right? That's why I downloaded a PDF version. It's searchable, so I can type in any word and instantly find everywhere it is. For example, "battery" appears something like forty times!

Hope this helps and good luck!

FortMorganAl

And that's why I included a link in a thread that had already been answered.

Neither did I but it is the first place to look and it took just a few seconds to find in the PDF version. The first quote is from page 400 and the second from 428 in my manual. I understand that would take a while to find without the pdf version but you also would learn a lot of other things in the process of searching. I learn something new about this car almost every day by looking in the owner's and shop manuals for answers to other people's questions. There is a HUGE amount of misinformation echoing around this forum. It is a great place for quick easy answers like what you needed but far too few people seem to look anything up themselves. They just repeat what they heard on Corvetteforum. Sometimes it is right but often it is wrong.

Don-Vette

I keep my wrench set to 103 lbs.

Cowboy26a

Not a good idea. Here's what I go by:


Store your torque wrenches with the spring set at zero. Storing a wrench above zero causes the spring to lose memory of its original shape. Your torque wrench will weaken and lose its accuracy over a period of time.

mcandrew67

if I were you, I would do all of them to be safe, not just two

rws.1

80 ft-lbs... so I don't stretch the threads

SCcues

If you use any type of lubricant or anti seize your torque will be affected. I didn't know this and I kept tightening my lug nuts (which had lubricant on the studs) and I couldn't get to 100 ft/lbs. I heard a pop while tightening with the torque wrench and broke one of my studs and stretched another one to the point it was ready to break. It was a costly error on my part and I had no idea that the lubricant affected the torque.

The friction between the unlubricated stud and lug nut produces the torque value so if you add any type of lubricant the friction isn't there anymore and you end up over tightening.

I wish i'd seen this before I screwed up my studs and had to replace them all on this wheel.

Believe me I know:

Don-Vette

Good point!

VettenDog

Thank you for that information. It makes total sense, but I would not have figured it out on my own. I could see myself doing the same thing you did.

Marina Blue

You have the right idea, but storing a mechanical, click-type wrench at a zero setting may allow the ball to fall out of it's detent. It's better to store the wrench at its lowest setting. On a big wrench, the type used to torque wheel nuts, the low setting is usually 20 ft. lbs. That's where I store mine. In fact the instruction manual that came with my wrench says it can safely be stored below 25% of its capacity. So a 150 lb. capacity wrench can safely be stored below 37 lbs. Even if your wrench goes all the way down to 0, it's best to store it at 10 to 20 lbs. so there is enough pressure on the spring to keep the ball from falling out of the detent.

Mad*Max

100 ft-lb