this post was submitted on 18 Jul 2024
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Mechanic Advice

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submitted 4 months ago* (last edited 4 months ago) by venusaur to c/mechanicadvice
 

2001 Infiniti QX4

Placard on car says 26 psi cold

Tires say 32-49

Rear tire is set to 27 cold

Does this look under-inflated? What’s the lowest I should go?

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[–] zer0hour 4 points 4 months ago (4 children)

would you be able to post a pic where it says the minimum psi on the tire? I work with tires and wheels and I have yet to see a tire with a range of psi like what you're describing and I'm curious to see.

I would set the pressure to what is listed on the placard.

usually with an 8 ply passenger tire, you shouldn't go below 20 psi.

[–] venusaur 2 points 4 months ago (2 children)

I’ll try to post a pic tomorrow. Just saw this on the Nokia website:

We recommend using the vehicle manufacturer’s suggested tire pressure for all season tires

Not sure what the numbers on the tire are for then.

[–] zer0hour 2 points 4 months ago (1 children)

they're for the technicians mostly. basically safe maximum levels to get the tire installed on the wheel and other safety information. sometimes you really have to inflate them when installing to get the tire to seat properly

[–] venusaur 1 points 4 months ago

Got it. Thanks!

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