On Tuesday, September 06, 2011 5:59 PM, "Carl Denk" wrote:
> I am looking at my 1996 Ford Bronco shop manual, section 04-04-10,=20
> "Wheels and Tires". Under removal and installation: If corrosion is=20
> light, clean corrosion... LUBRICATE first 3 thread with graphite-based=20
> lubricant.
>=20
> But, I can say that here in Northern Ohio with salt used heavily on icy=20
> roads, a light coating of oil in the area will minimize corrosion. I=20
> have personally maintained my vehicles for more than 50 years, which=20
> have included everything from VW bugs, Porsches, Ford Escorts, various=20
> passenger cars and Pickups including 3 Ford Broncos (heavier SUV's then=20
> the subject), many of which were driven more than 100,000 miles be fore=20
> selling. All the vehicles had all wheels pulled to inspect the brakes,=20
> suspension, and tires twice a year, and at time, oil was provided if=20
> need be. I never had a lug bolt loosen, and never had issues with=20
> loosening bolts!

I swap tires around on my Miata a couple of times a month, so I don't
have any problems with corrosion. But the studs and nuts would wear out
from all that action if they were dry. I put a little antiseize on maybe
once a year. At recommended torque I find that a lug here or there will
loosen up sometimes, but they are not the factory wheels or lugs, so the
recommended torque is just a number. I find I must go five pounds over
for them to stay tight.

In order for lugs to stay tight, a certain amount of deformation of the
lug and/or its threads need to be present. Even if there is lubricant,
that deformation should prevent it from loosening.

Friendly regards,

Bob

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