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Tire Pressure Mon System

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Old Apr 24, 2006 | 03:19 PM
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Default Tire Pressure Mon System

Do all C5's besides z06's come with tire pressure sensors? Is there a way to tell whether they do from looking at wheels from the outside?
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Old Apr 24, 2006 | 04:20 PM
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Yes - the TPM was standard on all C5's except for the Z06's. And no - there's no visual clue. The TPM is the valve stem, the actual sensor is inside the wheel.

This is the old style ('97 - '00)


This is the newer style ('01 - '04)


They are not interchangeable in either direction.
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Old Apr 24, 2006 | 05:59 PM
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Yes it is very easy to tell if you have a valve stem or sensors...
A valve stem is seated to the rim via a rubber grommet, it is pulled into place from outside the rim and is help in place by this rubber grommet..

Tire pressure sensors are held in place by a nut that can be seen at the base of the valve stem from the outside of the wheel.
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Old Apr 24, 2006 | 06:16 PM
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Originally Posted by Evil-Twin
Yes it is very easy to tell if you have a valve stem or sensors...
A valve stem is seated to the rim via a rubber grommet, it is pulled into place from outside the rim and is help in place by this rubber grommet..

Tire pressure sensors are held in place by a nut that can be seen at the base of the valve stem from the outside of the wheel.
I forgot about that.....:o
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Old Apr 24, 2006 | 09:12 PM
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I feel so bad now
I sowwwry
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Old Apr 25, 2006 | 02:14 AM
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Originally Posted by Evil-Twin
I feel so bad now
I sowwwry
Don't worry about it. How do these sensors actually communicate with the ECM. Is it a magnetic pick up or some kind of radio frequency? Thanks for the help guys.
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Old Apr 25, 2006 | 02:23 AM
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Radio Frequency
The antenna is the same for the keyless remote entry.
The antenna is mounted above the drivers side rear wheel in the car behind the trim (carpet).
Dave
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