Received from YES NOPE9 at 09/06/11 20:54 UTC:

>I have two used tires ( obtained at Mexican tire shop ) on the front of my=
=20
>Explorer.

>I was unable to remove any ( that is zero ) of the lugs.


I can't comment on the authenticity/quality of the tires, but advice for th=
e=20
future is to never allow anyone to use an impact wrench to tighten the lug=
=20
nuts.  If you can't watch the job being done, then when picking up the car,=
=20
in the parking lot, use your manual lug wrench to slightly loosen and=20
retighten the lugs.  If you can't loosen them, make the shop do it, otherwi=
se=20
you're screwed when you need to change a tire on the road...  as you=20
found.  Perhaps your problem was age and rust, but there's some fairly good=
=20
advice here for the future.

Oiling or greasing the bolts and lug nuts changes (lowers) the torque neede=
d=20
to tighten them properly and if a slippery enough grease is used in=20
conjunction with an impact wrench with a defective torque limiter you can=20
damage the bolts.  That can be dangerous.

Hope this is some help even if it doesn't answer your original questions.

Jim H



--=20
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