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Drive A Way

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Since: Sep 02, 2007
Posts: 1



(Msg. 1) Posted: Sun Sep 02, 2007 3:58 pm
Post subject: Tire Pressure Check
Archived from groups: alt>autos>toyota (more info?)

I just bought a new Toyota. I'm being told to check my tire pressure
every month or even week. Is this really necessary? How often should
you really check your tire pressure, if you're doing normal driving?
That is, about 10 thousand miles per year.

What are some telltale signs of driving with too little tire pressure?
Bobbing when going over hills? Not enough mileage? Any more specific
signs of tires not being inflated sufficiently?

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dbu`

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Since: Aug 14, 2007
Posts: 97



(Msg. 2) Posted: Sun Sep 02, 2007 3:58 pm
Post subject: Re: Tire Pressure Check [Login to view extended thread Info.]
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Ray O

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Since: Jun 30, 2006
Posts: 2180



(Msg. 3) Posted: Sun Sep 02, 2007 3:58 pm
Post subject: Re: Tire Pressure Check [Login to view extended thread Info.]
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"Drive A Way >" wrote in message

>I just bought a new Toyota. I'm being told to check my tire pressure
> every month or even week. Is this really necessary? How often should
> you really check your tire pressure, if you're doing normal driving?
> That is, about 10 thousand miles per year.
>
> What are some telltale signs of driving with too little tire pressure?
> Bobbing when going over hills? Not enough mileage? Any more specific
> signs of tires not being inflated sufficiently?
>
You didn't mention what kind of new Toyota you bought, but many, if not all,
new cars have on-board tire pressure monitors that illuminate a warning
light on the instrument panel if the tire pressure is too low on one or more
vehicles. The catch is that they sometimes have to be pretty low before the
light comes on.

Tire pressure will gradually drop, especially as wheels and tires age due to
corrosion and debris accumulation between the tire bead and wheel rim.
While the car is new, every month should be sufficient, and if you notice a
drop in tire pressure, start checking every week.

On the subject of tire pressure, you will get better fuel economy and longer
tire life if you inflate the tire pressure about 5 PSI more than the
automaker says, with the tradeoff being a slightly harsher ride.

There are no obvious telltale signs of driving with too little tire pressure
(other than the warning light if your car is equipped with one) until tire
pressure is drastically low. If tire pressure is drastically low, you *may*
notice that the car pulls or pushes to one side; the sounds the tire makes
on pavement may or may not change; and your tires will wear more quickly on
the outsides of the tread than on the inside.
--

Ray O
(correct punctuation to reply)
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Jack G

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Since: Jan 16, 2007
Posts: 7



(Msg. 4) Posted: Sun Sep 02, 2007 3:58 pm
Post subject: Re: Tire Pressure Check [Login to view extended thread Info.]
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NOTE: Tire pressure checks should always be made when the tires are cold -
before driving on them warms them up. Also, a 10 degree change in
temperature will result in about 1 lb pressure change in most passenger car
tires.

Jack G.

"Drive A Way >" wrote in message

>I just bought a new Toyota. I'm being told to check my tire pressure
> every month or even week. Is this really necessary? How often should
> you really check your tire pressure, if you're doing normal driving?
> That is, about 10 thousand miles per year.
>
> What are some telltale signs of driving with too little tire pressure?
> Bobbing when going over hills? Not enough mileage? Any more specific
> signs of tires not being inflated sufficiently?
>
>
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Bruce L. Bergman

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Since: Jan 02, 2007
Posts: 293



(Msg. 5) Posted: Sun Sep 02, 2007 4:14 pm
Post subject: Re: Tire Pressure Check [Login to view extended thread Info.]
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On Sun, 02 Sep 2007 11:58:37 -0400, Drive A Way >
wrote:

>I just bought a new Toyota. I'm being told to check my tire pressure
>every month or even week. Is this really necessary? How often should
>you really check your tire pressure, if you're doing normal driving?
>That is, about 10 thousand miles per year.

Walk around the car and visually check at the tires at least once a
day, or even every time you get in to drive - if you picked up a nail,
you'll spot one corner low.

That every trip walk-around is also a chance to find and remove
things you don't want to run over, like small children and their loose
items (tricycles and wagons) left lying behind the car.

And it provides a reminder about that light post on the right side
of the car and the fire hydrant behind your parking space, neither one
you want to hit while backing out of the parking spot.

For a low use car, once a month is plenty for physically getting out
a tire gauge and checking pressures. You only need to do it weekly if
you have a tire that always needs lots of air on the monthly check.

>What are some telltale signs of driving with too little tire pressure?
>Bobbing when going over hills? Not enough mileage? Any more specific
>signs of tires not being inflated sufficiently?

Ride deterioration or fuel mileage isn't going to show up unless the
tires are /really/ low. But decreased tire life is the important
thing, and when decent tires start at $100 each for cars, $125 to $150
each for light & medium trucks, and $400 each for a Semi...

--<< Bruce >>--
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Elmo P. Shagnasty

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Since: Feb 15, 2004
Posts: 1032



(Msg. 6) Posted: Sun Sep 02, 2007 4:54 pm
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Mark A3

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Since: Jul 01, 2004
Posts: 434



(Msg. 7) Posted: Sun Sep 02, 2007 5:46 pm
Post subject: Re: Tire Pressure Check [Login to view extended thread Info.]
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"Drive A Way >" wrote in message

>I just bought a new Toyota. I'm being told to check my tire pressure
> every month or even week. Is this really necessary? How often should
> you really check your tire pressure, if you're doing normal driving?
> That is, about 10 thousand miles per year.
>
> What are some telltale signs of driving with too little tire pressure?
> Bobbing when going over hills? Not enough mileage? Any more specific
> signs of tires not being inflated sufficiently?

You are required by federal law to check your tires everyday.

The rest of us can check our tires once per month.
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Jeff

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Since: May 21, 2007
Posts: 965



(Msg. 8) Posted: Sun Sep 02, 2007 5:59 pm
Post subject: Re: Tire Pressure Check [Login to view extended thread Info.]
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Drive A Way < wrote:
> I just bought a new Toyota. I'm being told to check my tire pressure
> every month or even week. Is this really necessary?

No more than it is necessary to keep your feet away from other people's
feet when using the bathroom stall.

> How often should
> you really check your tire pressure, if you're doing normal driving?

Once a week. I fill my gas tank once a week and check my tires while the
gas tank is being filled. And almost every week, the air pressure is 1
to 3 psi low in at least one tire.

> That is, about 10 thousand miles per year.

How fast air leaks out of the tires is not dependent on how many miles
are driven.

> What are some telltale signs of driving with too little tire pressure?

Premature tire wear, tire blowouts.

> Bobbing when going over hills? Not enough mileage?

Poor gas mileage is another problem.

> Any more specific
> signs of tires not being inflated sufficiently?

Low reading on the tire gauge.

My suggestion: get an electronic tire gauge at Walmart or Target. They
are only a few bucks. Use it every week. It only takes five minutes.

Jeff
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JoeSpareBedroom

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Since: May 15, 2006
Posts: 675



(Msg. 9) Posted: Sun Sep 02, 2007 5:59 pm
Post subject: Re: Tire Pressure Check [Login to view extended thread Info.]
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"Drive A Way >" wrote in message

>I just bought a new Toyota. I'm being told to check my tire pressure
> every month or even week. Is this really necessary? How often should
> you really check your tire pressure, if you're doing normal driving?
> That is, about 10 thousand miles per year.
>
> What are some telltale signs of driving with too little tire pressure?
> Bobbing when going over hills? Not enough mileage? Any more specific
> signs of tires not being inflated sufficiently?
>
>

Every week or two. Some uneducated people will tell you once or twice a year
is enough, unless you have a slow leak. But, that's a stupid thing to say,
for obvious reasons.
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dbu`

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Since: Aug 14, 2007
Posts: 97



(Msg. 10) Posted: Sun Sep 02, 2007 5:59 pm
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JoeSpareBedroom

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Since: May 15, 2006
Posts: 675



(Msg. 11) Posted: Sun Sep 02, 2007 5:59 pm
Post subject: Re: Tire Pressure Check [Login to view extended thread Info.]
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"dbu`" wrote in message

> In article ,
> "JoeSpareBedroom" wrote:
>
>> "Drive A Way >" wrote in message
>>
>> >I just bought a new Toyota. I'm being told to check my tire pressure
>> > every month or even week. Is this really necessary? How often should
>> > you really check your tire pressure, if you're doing normal driving?
>> > That is, about 10 thousand miles per year.
>> >
>> > What are some telltale signs of driving with too little tire pressure?
>> > Bobbing when going over hills? Not enough mileage? Any more specific
>> > signs of tires not being inflated sufficiently?
>> >
>> >
>>
>> Every week or two. Some uneducated people will tell you once or twice a
>> year
>> is enough, unless you have a slow leak. But, that's a stupid thing to
>> say,
>> for obvious reasons.
>
> I used to do it once a week, but tire pressure never changed so I
> stopped. Even now when I check my tire pressures once or twice a year
> they are within the 30 to 35 PSI range. Only when it drops below 30 PSI
> do I air them up. I have my own air compressor. If you want to keep
> checking yours every week, fine, good, that's nice.


If you rarely check it, how will you know there's as low leak? Many tires
don't look low on air until they're REALLY slow on air. Meanwhile, you could
be shaving 5-10 thousand miles off the life of the tires. Or worse.
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dbu`

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Since: Aug 14, 2007
Posts: 97



(Msg. 12) Posted: Sun Sep 02, 2007 5:59 pm
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dbu`

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Since: Aug 14, 2007
Posts: 97



(Msg. 13) Posted: Sun Sep 02, 2007 6:33 pm
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"Bonehenge

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Since: Feb 25, 2007
Posts: 148



(Msg. 14) Posted: Sun Sep 02, 2007 9:55 pm
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On Sun, 02 Sep 2007 12:14:40 -0700, Bruce L. Bergman
wrote:

> That every trip walk-around is also a chance to find and remove
>things you don't want to run over, like small children and their loose
>items (tricycles and wagons) left lying behind the car.

This is a ridiculously good idea that few people do, but many
commercially trained drivers do as a habit.

Listen to Bruce. He talks sense.
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Jeff Strickland

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Since: Jan 11, 2007
Posts: 1259



(Msg. 15) Posted: Sun Sep 02, 2007 9:55 pm
Post subject: Re: Tire Pressure Check [Login to view extended thread Info.]
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The signs of UNDER INFLATION are that the tires wear on the shoulders -- the
area where the tread rolls over to become the sidewall.

The sign of OVER INFLATION is that the tread wears faster in the center.

Tires are designed (or maybe it just happens) with a bit of a concave
surface. Correct tire pressure makes the contact patch (the part of the tire
touching the ground) flat, too little pressure allows the center of the
tread to lift a bit, and too much pressure makes the center bulge out and
make more contact.

If you are prone to not checking the tires, then you should put in a bit
extra so that the over inflation and under inflation even themselves out. If
you don't mind keeping the right pressure in the tires, stick to the numbers
on the placard.

Checking tire pressure is not a uniquely Toyota experience, all cars have
the same rules -- check the tires once a month. Over inflated tires will
give better fuel mileage relative to under inflated ones, but the tire wear
will likely offset the gas savings, that is, the cost of replacing tires
will exceed the savings on the gasoline. Inflate your tires properly.

A tire that is wearing on one shoulder (inside or outside) differently than
the other, or one tire that is wearing differently than the other on the
same axle, is likely to be a victim of an alignment problem. One tire could
be chronically under inflated (leaks), but this would show up as both
shoulders wearing, not just one.







"Drive A Way >" wrote in message

>I just bought a new Toyota. I'm being told to check my tire pressure
> every month or even week. Is this really necessary? How often should
> you really check your tire pressure, if you're doing normal driving?
> That is, about 10 thousand miles per year.
>
> What are some telltale signs of driving with too little tire pressure?
> Bobbing when going over hills? Not enough mileage? Any more specific
> signs of tires not being inflated sufficiently?
>
>
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