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From: Jeff Strickland on 18 Oct 2007 11:42

"B A R R Y" <beech23pilot(a)yahoo.com> wrote in message
news:B%HRi.6789$lE2.5082(a)newssvr22.news.prodigy.net...
> Jeff Strickland wrote:
>>
> > Nearly every car on the road has not even got tire pressure sensors,
> how
>> can it be illegal to turn a system off that most cars haven't even got?
>
> I have no idea if it's illegal or not, but looking from another angle...
>
> From 2006 forward, TPS is US Gov't mandated on trucks and SUV's.

Really! I did not know that.



I
> would imagine that any bid'net that got caught intentionally defeating a
> gov't mandated device might get in the same sorts of trouble they would if
> they removed cat converters, seat belt warnings, or clutch switches.
>

Assuming you are correct about the mandated nature of the system, I'd have
to agree that any numb-nut that defeated it would have the same sorts of
problems as he might face by defeating seat belts.


> Maybe a nick, or even the loss, of a dealers and repairer's license? If
> it isn't illegal, I'm sure any smart business wouldn't accept the tort
> liability of disabling such a system.
>
> I'm sure the person who stated it was illegal will hurry right back with
> details. <G>
>
> Now, if the _owner_ does it...
>


It seems to be a poorly thought out system if the sensors are rim-centric,
because lots of people in the Snow Belt keep Winter and Summer tires on
different sets of rims, and the changing seasons can easily create a
condition that one would want to defeat.



From: B A R R Y on 18 Oct 2007 13:20
Jeff Strickland wrote:
>
> It seems to be a poorly thought out system if the sensors are
> rim-centric, because lots of people in the Snow Belt keep Winter and
> Summer tires on different sets of rims, and the changing seasons can
> easily create a condition that one would want to defeat.
>

I agree.

Some systems use ABS wheel rotation sensors to detect differing wheel
speeds (rollout differences), but it creates other issues, such as might
be found when tires are worn unevenly. I live where it snows, but leave
BFG TA/KO's on year round, and my '05 truck is not equipped with TPMS.
Otherwise, I'd probably spring for an additional sensor set.

Some TPMS have been known to really mess things up when airing down for
off-road operation, as a "real" 4x4 might be used. I read about some
2006 Honda Ridgelines (possibly early production) that would refuse to
move when aired down for sand. <G>
From: Jeff Strickland on 18 Oct 2007 13:39

"B A R R Y" <beech23pilot(a)yahoo.com> wrote in message
news:sBMRi.11211$4V6.10113(a)newssvr14.news.prodigy.net...
>
> Some TPMS have been known to really mess things up when airing down for
> off-road operation, as a "real" 4x4 might be used. I read about some 2006
> Honda Ridgelines (possibly early production) that would refuse to move
> when aired down for sand. <G>

That would ruin a day in no time. I regularly air down to as low as 5 psi
for added traction off road. I once hit the sand at full pressure and found
myself stuck on an embankment. I was about to go ask the nice gentleman with
the tractor if he oculd give my Jeep a gentle tug, but before I did, I aired
down. I got out of my prediciment with ease.

I normally use my Jeep to go rock crawling, and low tire pressure is very
useful there as well.









From: B A R R Y on 18 Oct 2007 14:15
Jeff Strickland wrote:
>
> That would ruin a day in no time. I regularly air down to as low as 5
> psi for added traction off road. I once hit the sand at full pressure
> and found myself stuck on an embankment.

Tell me about it!

The TA/KO's dig an even better hole in sand than all-season tires, if
not aired down LOTS! I even know HOW BIG of a hole they can dig, with
a Jeep or a Tacoma! <G>

With the OEM tires (BFG Long Trail and Goodyear Wrangler), I could cheat
a bit and run both the Jeep and Taco @ 12 PSI. The TA/KO's need to be
well down in single digits to avoid embarrassment.
From: Jeff Strickland on 18 Oct 2007 17:30

"B A R R Y" <beech23pilot(a)yahoo.com> wrote in message
news:dpNRi.5830$y21.4157(a)newssvr19.news.prodigy.net...
> Jeff Strickland wrote:
>>
>> That would ruin a day in no time. I regularly air down to as low as 5 psi
>> for added traction off road. I once hit the sand at full pressure and
>> found myself stuck on an embankment.
>
> Tell me about it!
>
> The TA/KO's dig an even better hole in sand than all-season tires, if not
> aired down LOTS! I even know HOW BIG of a hole they can dig, with a Jeep
> or a Tacoma! <G>
>
> With the OEM tires (BFG Long Trail and Goodyear Wrangler), I could cheat a
> bit and run both the Jeep and Taco @ 12 PSI. The TA/KO's need to be well
> down in single digits to avoid embarrassment.

I also have the tires with the continuously variable automatic air-down
feature, and this adds to the confusion.



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