Thank you Joe and the others who gave the torque numbers. It is quite a
range, but if they say it's ok...
John
>The proper torque for Dakota lug nuts is 115-150 N-m (85-110 ft-lbs) From
>page 22-10 of the 1998 Dakota FSM. IMHO, this is quite a large range, but
>it must be OK. There are two notes on page 22-9 that are important.
>
>"Note: Do not use chrome plated lug nuts with chrome plated wheels."
>
>The Chrome on Chrome may gall and prevent proper tightining. This would
>cause the studs to have insuficient tension even thought he nuts have the
>proper torque.
>
>"Never use grease or oil on studs or nuts."
>
>The torque specification is for dry assembly. Any lubrication will cause
>a higher tension at the specified torque. This may stretch the stud or nut
>or possibly break them. A stretched stud/nut will not achieve the proper
>tension when it is tightened again due to the deformation of the threads.
>
>I experienced this first hand. I lubricated the studs on my Chebby with
>a high pressure grease, then tightened the lug nuts to the specified
>torque. The nuts wer harder and harder to take off each time. It turns
>out the nuts were deforming from over tension and compressing on the
>stud. Strange but true.
>
>Drive Safe,
>
>
>
>
>Joe Dille
>
>Telford PA USA
>(joe@dille.montgomery.pa.us)
>
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