Question about 2005 Dodge Caravan
During tire rotation
Over tightening. They are probably using an impact wrench to tight the lugs because its the fastest way. Its not the right way though.
Here is what happens. When the nuts are tightened, the studs will stretch. This tension holds the wheels on to the rim. If you over tighten the studs you can damage them and they could fail. The best approach is to use an impact wrench to snug up the nuts. Then go back with a torque wrench and tighten to the manufacturer specifications.(lug nut torque for your vehicle is 110 ft-lbs ) Next time you are having your tires rotated or changed, make sure the mechanic uses a torque wrench and the correct torque.
Posted on Feb 05, 2009
Lazy Lug-turners didn't start the threads by hand, and cross-threaded it. Saw this with my own eyes.
Instead of taking off their gloves to access the recessed holes, they put the lug into the socket and barreled-down until it "tightens" or breaks.
In my case, the "discount" vendors' employee moved it into the truck bay, and tried blaming it on Dodge even though I caught him strong-arming it with the big air ratchet.
The back lugs of some Dodge Grand Caravans have a low shoulder, and are a hassle to replace.
They had to send it to a "real" tire center, which swore they had the parts in stock on a Saturday morning.
Saturday evening came, and they were locking up for the weekend when I was supposed to be picking it up for a vacation...all because they decided rotating (instead of replacing) my defective tire would fix the problem.
To avoid this problem, let the manager of your NEW tire vendor know you're aware of this possibility, and insist they start the lug nuts by hand-threading.
Posted on Apr 08, 2009
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