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Tire Pressure Sensors?

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Old Mar 24, 2006 | 11:35 PM
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Default Tire Pressure Sensors?

I need to change one of my wheels.

Is there anything I need, or need to know, to move the Tire Pressure Sensor from my current wheel to a new wheel? (Or is this the kind of thing I can expect the guys at the Goodyear store to know? Seemed like mine was the first runflat they ever changed,)

Thanks. . .Stu
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Old Mar 25, 2006 | 05:24 AM
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If you buy new wheels from GM do you get new tire pressure monitors on them or are you suppose to use the old ones from your original wheels? Do tire installers do this kind of work?
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Old Mar 25, 2006 | 06:47 AM
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Originally Posted by StuSegal
I need to change one of my wheels.

Is there anything I need, or need to know, to move the Tire Pressure Sensor from my current wheel to a new wheel? (Or is this the kind of thing I can expect the guys at the Goodyear store to know? Seemed like mine was the first runflat they ever changed,)

Thanks. . .Stu
The guys at the tire store should know about this stuff...the key word being should! The sensor and the valve stem are one in the same, after removing the tire there is a nut on the valve stem, undo the nut and the sensor comes off the wheel and can be mounted on the new wheel. Along as the wheel goes back on the car in the same position, nothing to do.

Also, there is an "O" ring on the valve that really should be changed, I think you have to but a pack of 4 at the GM parts counter, you could probably get away with not changing it but it would be a good idea to put a touch of lubricant on it to help make a good seal. DO NOT over tighten the nut when re-installing it onto the valve stem, it will break if over tightened.
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Old Mar 25, 2006 | 12:07 PM
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Originally Posted by Miaugi
The guys at the tire store should know about this stuff...the key word being should! The sensor and the valve stem are one in the same, after removing the tire there is a nut on the valve stem, undo the nut and the sensor comes off the wheel and can be mounted on the new wheel. Along as the wheel goes back on the car in the same position, nothing to do.

Also, there is an "O" ring on the valve that really should be changed, I think you have to but a pack of 4 at the GM parts counter, you could probably get away with not changing it but it would be a good idea to put a touch of lubricant on it to help make a good seal. DO NOT over tighten the nut when re-installing it onto the valve stem, it will break if over tightened.
Miauqi,

Thanks for the info.

On the overtightening, does GM have a torque spec, or is it just a "feel" kind of thing?

. . .Stu
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Old Mar 25, 2006 | 11:06 PM
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The tire sensor nut torque is 62 inch pounds.

For export vehicles it is 106 inch pounds. Why the diff who knows?
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Old Mar 26, 2006 | 02:00 PM
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So it seems to me then if you buy a GM optional wheel from the factory you will not get new tire sensors with those new wheels. You have to use your old ones of your existing tires?
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