Re: Tire Pressue Monitoring system

Jul 17, 2003 3 Replies

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dad2468 23 years ago

It seems like you could just get some more sensors installed in your new wheels. I think it would be worth the extra cost. Randy

Well, it appears that I made a big mistake in purchasing new wheels for my
> '03 Expedition.
> Since I have tire monitoring, the new wheels obviously don't have the
> sensors in them and now ever minute I get the warning on my console advising
> me that tire pressure is too low.
>
> I asked the dealer if this is something that they can disable but they're
> not sure. I tried resetting it but that won't work either. The dealer say
> that they were able to do this on a Windstar so I'm hoping that they can do
> the same. If not, I'm out $1800K
>
> So, if you're thinking of new wheels and have tire pressure monitoring, > don't do it.
>
> UGH!!
>
>

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Dan Kemp 23 years ago

The tire pressure monitoring system is not a sensor in the wheels. In my grandfather's 2003 Windstar with Tire Pressure monitor, the computer counts the number of wheel revolutions on each tire. If one wheel's number of revolutions is consistently different than normal, the system warning is triggered. It should be completely feasible to use this system with aftermarket tires or wheels.

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Rex B 23 years ago

|The tire pressure monitoring system is not a sensor in the wheels. In |my grandfather's 2003 Windstar with Tire Pressure monitor, the |computer counts the number of wheel revolutions on each tire. If one |wheel's number of revolutions is consistently different than normal, |the system warning is triggered. It should be completely feasible to |use this system with aftermarket tires or wheels.

So the OP's new tires are not the same rolling circumference? I think I'd measure and then see if I could adjust pressure enough to get the warning to go off. It might be that he could swap for some tires with a different aspect ratio and get into the ballpark. There has to be some latitude because replacement tires of a different make or even different series can have slightly different diameters.

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NJ Vike 23 years ago

Thanks to all that replied.

The dealer says they can disengage the tire monitoring system without shutting the other monitoring features. They said that the wheels do have sensors so now I'm confused.

I will take a look at the old wheels and see if they're correct.

Here's some information I found that's interesting:

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