Lug Nutz fell off on Highway
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Joined: Dec 2006
Posts: 7,337
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From: Edina, Minnesota
Not sure if anyone has mentioned this, but…
The only way to get a true torque value on all lugs is tightening the lugs with the wheels suspended (as is done in the shop).
If you tighten your lugs while the wheels are weighted, you will need to roll the car forward slightly (doing a full 360 rotation during the process) and alternately check each lug for proper torque. That is simply because a weighted wheel may not be flush with the hub, and you won’t get accurate torque values. And, you must do this again after a short drive when tightening the lugs on weighted wheels.
--Spike
The only way to get a true torque value on all lugs is tightening the lugs with the wheels suspended (as is done in the shop).
If you tighten your lugs while the wheels are weighted, you will need to roll the car forward slightly (doing a full 360 rotation during the process) and alternately check each lug for proper torque. That is simply because a weighted wheel may not be flush with the hub, and you won’t get accurate torque values. And, you must do this again after a short drive when tightening the lugs on weighted wheels.
--Spike
Last edited by Spike100; May 22, 2008 at 06:22 PM.
Originally Posted by DavesZ#3
That right there makes me think that they were the wrong pitch. As with the RX-7 failure, you can get the 1.5 pitch to go on our 1.25 studs and they will tighten but because the threads aren't fully engaged, there's space for the broken/stripped thread material to collect, hence the buildup of debris. Lack of proper engagement means that the threads can and will eventually fail and the nut will pop off.
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