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Need Correct Tire Pressure for 1998 Sienna XLE

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Georgie Thein

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Oct 6, 1998, 3:00:00 AM10/6/98
to
I have a 1998 Sienna XLE and am trying to find the correct tire pressure for
the vehicle.

The owner's manual stated to use 35 psi for both front and rear tires. The
problem is it didn't specify what is the max pressure reference for the
tires.

I notice that some tire has max cold pressure of 35 psi and some has 44 psi.

If the owner's manual says 35 psi, which max cold pressure is it referring
to?
I tried to find the info from dealer but they said just follow the manual.

35 psi on a tire with max cold pressure of 44 psi seems a bit low. On my
previous car with tires that has 44 psi max, I need to inflate the tires to
at least 38 psi.

I currently have tires with 44 psi max cold pressure on my Sienna.

Any info will help greatly, thanks.

LoudTacoma

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Oct 7, 1998, 3:00:00 AM10/7/98
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all the info for the tire size, max pressure, max load, date of make, tread
wear, and more are printed on the side wall of the tire.

Georgie Thein

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Oct 7, 1998, 3:00:00 AM10/7/98
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Yes, I know about those. But the owner's manual didn't specify what max
pressure (35 or 44 psi) did they reference to when they said "inflate front
and rear tires to 35 psi under normal condition".

LoudTacoma wrote in message <19981007034036...@ng65.aol.com>...

Gilles Frenette

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Oct 7, 1998, 3:00:00 AM10/7/98
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Hi George !

I have a Sienna LE 1998 with 205x70x15 tire. I initialy have the Dunlop but
because of a
pull to right problem (which I experienced for a good 10 month), my dealer
have recently replaced them for Michelin Xone.

Both of these tires have an equivalent side wall grade of (95S for Dunlop
and 95T for Michelin). They correspond to very hard wall tires. They are not
regular mid size car tire.
Both model are rated at 35 psi. I have been told not to over inflated them.

In my case I have found 38 to be way to hard. It made strong bag when
running over regular bump and crack. I had the impression the tire were
bouncing on the road. I gradualy have reduced them to 32 psi which still bag
more than my Camry at 40 psi.

This is only my own impression ! I hope it help! Make some trials !

Gilles Frenette


Georgie Thein a écrit dans le message
<6vf3a0$a...@dfw-ixnews5.ix.netcom.com>...

Keith Robinson

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Oct 8, 1998, 3:00:00 AM10/8/98
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The pressure listed on the side of the tire is the maximum inflation
pressure specified by the tire manufacturer for that tire at the maximum
weight (load) listed there as well. This is not hte correct inflation
pressure for any given vehicle. The vehicle manufacturer specifies the
correct inflation pressure for the tires installed on the vehicle.

In this case, the correct inflation pressure is 35 psi at all positions
for the listed tire size.
Do not deviate, as the listed pressure is for mazimizing comfort, safety
and durability.

Keith Robinson, Toyota Field Technical Specialist


Howard Sockryder

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Oct 8, 1998, 3:00:00 AM10/8/98
to
You have 215 65 r15 with the aluminum wheels. I think you use 32. It's in
the manual or on a badge on the door or glovebox. The larger tire can hold
the heavy van up without as much air pressure. Measure it with the tires
'cold'.


Georgie Thein wrote in message <6vf3a0$a...@dfw-ixnews5.ix.netcom.com>...

Howard Sockryder

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Oct 8, 1998, 3:00:00 AM10/8/98
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40lbs seems high. The problem with too much pressure is that the tire
begins to balloon. That is the tread is no longer touching the ground
equally across the tread. This can lead to more wear in the middle of the
tire. It can also make the tire have less traction as it behaves like a
smaller tire. Leaping off the ground like a school yard ball is bad too.

The size of tire/wheel combo along with vehicle weight and speed of travel
make for the recommended pressure. The max on the sidewall is just
that...the max. But to err on the high side is much better than to have too
little air pressure. Then the tire heats up and shreds apart at highway
speeds. I've seen a visibly low pressure tire smoke and smell like it was
burning!


Gilles Frenette wrote in message <6vh1bn$m7f$1...@goblin.uunet.ca>...


>Hi George !
>
>I have a Sienna LE 1998 with 205x70x15 tire. I initialy have the Dunlop but
>because of a
>pull to right problem (which I experienced for a good 10 month), my dealer
>have recently replaced them for Michelin Xone.
>
>Both of these tires have an equivalent side wall grade of (95S for Dunlop
>and 95T for Michelin). They correspond to very hard wall tires. They are
not
>regular mid size car tire.
>Both model are rated at 35 psi. I have been told not to over inflated
them.
>
>In my case I have found 38 to be way to hard. It made strong bag when
>running over regular bump and crack. I had the impression the tire were
>bouncing on the road. I gradualy have reduced them to 32 psi which still
bag
>more than my Camry at 40 psi.
>
>This is only my own impression ! I hope it help! Make some trials !
>
>Gilles Frenette
>
>

>Georgie Thein a écrit dans le message

RECCO1

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Oct 9, 1998, 3:00:00 AM10/9/98
to

>Keith Robinson, Toyota Field Technical Specialist
>
I am in the process of purchasing a set of tires for my 1985 Cressida and have
been looking at various web sites of different manufactures. None of them give
me enough info....i was I want to get the smoooooothest and quietest ride
possible...Price doesn't worry me....to a point.....Can u tell me what tire out
there is the quietest and smoothest on the market? thatnx in advance.
sergio(Rec...@aol.com)

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