On Thu, 17 Jul 2008 11:57:23 -0700 (PDT), Built_Well
<Built_Well_Toyota@[EMAIL PROTECTED]
> wrote:
>Retired VIP wrote:
>> On Thu, 17 Jul 2008 08:57:34 -0700 (PDT), Built_Well
>> <Built_Well_Toyota@[EMAIL PROTECTED]
> wrote:
>>
>> >
>> >Last month I rotated the wheels on the '06 Camry, from front
>> >to back. Yesterday I re-torqued them after 350 miles of driving
>> >and five weeks.
>> >
>> >All the lug nuts on the two rear wheels did not turn even
>> >a bit; they were perfectly torqued. But 4 out of 5 lug nuts on
>> >the passenger-side front wheel turned a little bit, less than a
>> >quarter turn--probably about an eighth of a turn (1/8 turn).
>> >
>> >On the driver-side front wheel, 2 out of 5 lug nuts also turned
>> >about 1/8 of a turn when I re-torqued them.
>> >
>> >I know these 6 loosened lug nuts on the two front wheels
>> >lost more than 5 foot-pounds of their original 76 foot-pound
>> >torque setting because yesterday to re-torque them, I set my
>> >torque wrench at 71 foot-pounds, which is 5 less than the
>> >76 foot-pounds I torqued them to last month during the
>> >5,000-mile wheel rotation.
>> >
>> >Is this greater-than-5-foot-pound loosening of some of the
>> >lug nuts on the front wheels something to be concerned
>> >about? I'd like to wait until the next 5,000-mile wheel rotation
>> >before re-torquing the wheels again. Is this advisable, or should
>> >I check and re-torque the wheels more often?
>>
>> I hate to say it but it sounds like you didn't torque the front wheels
>> properly. Did you come up on the proper torque in stages using a
>> criss-cross pattern? After you torqued the nuts to 76 ft/lbs did you
>> back them off, one at a time, and re-torque to 76 again?
>>
>> If you didn't use a criss-cross pattern, it's possible that you got a
>> bit of a warp in the wheel or the rotor which worked itself out as you
>> drove the car. Backing off and re-torquing makes sure that your lug
>> nut is seated against the wheel properly.
>>
>> Jack
>=========================
>
>Yes, I used a criss-cross or star pattern, and torqued
>each set of lug nuts gradually, first to 40, then to 60,
>then 76.
>
>I also re-torqued everything last month during the rotation, but
>what do you mean by "back them off, one at a time, and re-torque
>to 76 again."
You need to be sure that the shoulder of the nut is seated properly
into the counter-sunk lug hole of the wheel. A fast way to do this is
to bring the lug nuts up to the proper torque in steps. Then loosen
each nut a bit and retorque it to the proper torque. Don't loosen and
retorque all the nuts at the same time, do them one at a time.
Jack


|