Anti-Sieze on lug bolts: Yes or no? Search shows different opinions...
08-09-2002, 11:50 AM
#1
Anti-Sieze on lug bolts: Yes or no? Search shows different opinions...
some say yes, others no. I have a tube of Permatex silvery metallic looking stuff that I was planning on using.
How much on each bolt, if I use it?
TIA.
How much on each bolt, if I use it?
TIA.
08-09-2002, 11:55 AM
#2
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I think it's ok to use, BUT.....
....you have to adjust the torque DOWN when tightening your lugs. I'm not sure of the exact figures, but by applying anti-seize, you reduce the friction between the lug and threads. Therefore, to achieve the same level of torque reading to the wrench, you have to turn the lug farther down. This will potentially stretch the lug past its elasticity point (or some technical mumbo jumbo like that).
08-09-2002, 12:07 PM
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Hey Evan... I've done a pretty good amount of searching on this myself.>>
It does seem that on all German vehicles I've owned with a lug bolt style, they've been a little prone to getting "crusty" and sticking.
I personally am not over concerned with the aforementioned "stretching" of the lugbolt. There is one tech guy at tirerack who wrote something on the subject, who said he was concerned with the stretching of the lugbolt. But from everyone else I've talked to about it, they don't seem to think it's a concern unless you're dealing with much higher amounts of torque than we deal with.
In years of working on street and race cars, we've always used Loctite Anti-seize on lugnuts and bolts. I've taken everyones info into consideration, and personally decided to use it "very sparingly", on bolt applications. Which means not smearing the stuff all over the bolt. I usually apply a very small amount of it on the bolt and wipe away excess with a shop rag. I've never had the bolts come loose, nor get frozen on. (And if you've ever had one frozen on, or broken off like I did on my 944 Turbo, you'd be hatin' life!)
FWIW...
I personally am not over concerned with the aforementioned "stretching" of the lugbolt. There is one tech guy at tirerack who wrote something on the subject, who said he was concerned with the stretching of the lugbolt. But from everyone else I've talked to about it, they don't seem to think it's a concern unless you're dealing with much higher amounts of torque than we deal with.
In years of working on street and race cars, we've always used Loctite Anti-seize on lugnuts and bolts. I've taken everyones info into consideration, and personally decided to use it "very sparingly", on bolt applications. Which means not smearing the stuff all over the bolt. I usually apply a very small amount of it on the bolt and wipe away excess with a shop rag. I've never had the bolts come loose, nor get frozen on. (And if you've ever had one frozen on, or broken off like I did on my 944 Turbo, you'd be hatin' life!)
FWIW...
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08-09-2002, 12:48 PM
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My take...
It is OK on the threads in *very* small amounts. It is completely unacceptible on the taper of the head of the bolt, even by accident. Use a q-tip.
The threads get galvanic corrosion (two different metals). The head is what actually provides the grip/torque.
I have found that using a dry lube, like the wax-based chain lubes on the threads works great and gives accurate torque values. The true anti-sieze always gets everywhere.
The threads get galvanic corrosion (two different metals). The head is what actually provides the grip/torque.
I have found that using a dry lube, like the wax-based chain lubes on the threads works great and gives accurate torque values. The true anti-sieze always gets everywhere.
