Forum Discussion
mobeewan
Jan 24, 2020Explorer
Unfortunately it is hard to tell or prove when the damage was done. It could have been done when the tires were previously replaced.
I had a 1991 Isuzu trooper. Per the manufacturer's specifications and the manual the lugnuts we're supposed to be tightened to 65 foot pounds.
The nuts had a taper on one enf where they bottom out against the rim. When over tightening the nuts the tapered end would get smashed deeper into the matching bevel of the holed in the tire rim causing them to be crimped tight against the threads of the studs. After several times of removing the nuts and putting them back on over the years the nuts eventually galled and seized tight on the studs.
I found out about it when I had to get my vehicle inspected. I had the vehicle about a year and was the third owner. The garage doing the inspection called me out to the work area to show me that the nuts were seized. They also informed me that they might wind up snapping the studs off causing the nuts and studs to need replacing. I had them go ahead and do the work and the nuts finally came off. They put anti-seize compound on the studs and nuts to help with the galling.
The mechanic told me that they had been over tightened when previous work has been performed and that for my vehicle they were only supposed to be torqued at 65 lbs.
I had a 1991 Isuzu trooper. Per the manufacturer's specifications and the manual the lugnuts we're supposed to be tightened to 65 foot pounds.
The nuts had a taper on one enf where they bottom out against the rim. When over tightening the nuts the tapered end would get smashed deeper into the matching bevel of the holed in the tire rim causing them to be crimped tight against the threads of the studs. After several times of removing the nuts and putting them back on over the years the nuts eventually galled and seized tight on the studs.
I found out about it when I had to get my vehicle inspected. I had the vehicle about a year and was the third owner. The garage doing the inspection called me out to the work area to show me that the nuts were seized. They also informed me that they might wind up snapping the studs off causing the nuts and studs to need replacing. I had them go ahead and do the work and the nuts finally came off. They put anti-seize compound on the studs and nuts to help with the galling.
The mechanic told me that they had been over tightened when previous work has been performed and that for my vehicle they were only supposed to be torqued at 65 lbs.
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