What is the correct tire pressure?

[Csurp]

2017 Tahoe LT 2WD, tow package, stock 18" wheels, stock Michelin tires.

B pillar tag states 35psi which is what I have been running for two years. Manual states that this is the minimum. Tire sidewall shows 44psi max.

Yesterday I got the truck back from the dealer after a flat tire repair and all tires were inflated to 41psi.

I didn't notice this until after I left.

Thoughts?

 

[PG01]

Whatever you feel comfortable with and watch how the tires wear. I personally like more air for a stiffer ride....

 

[Hobert]

My 2019 Suburban Z71 with 18 inch rims and goodyear wranglers was delivered with tires at 37lbs. I usually run a few pounds above the minimum on my vehicles and will keep them at 37lbs. It rides great.

 

[LT1ZOB]

I run 36 cold. 15k miles, no wear issues

 

[Csurp]

Mine rides fine at 41psi.

I was concerned about potential damage/tire wear.

At 8k/year probably not a big deal?

Will keep an eye on it.

I assume that larger whee/tire combos require the higher psi and the tech just missed that these are 18's?

 

[PG01]

Mine rides fine at 41psi.

I was concerned about potential damage/tire wear.

At 8k/year probably not a big deal?

Will keep an eye on it.

I assume that larger whee/tire combos require the higher psi and the tech just missed that these are 18's?

Actually some of the bigger combos have less pressure than the smaller combos.

 

[Csurp]

Actually some of the bigger combos have less pressure than the smaller combos.

Strange then.

 

[Stresst]

Whatever the sticker say in the door jamb is the recommended. NEVER go by what it says on the sidewall. I like to run around 37, 38psi on these trucks.

 

[PG01]

Whatever the sticker say in the door jamb is the recommended. NEVER go by what it says on the sidewall. I like to run around 37, 38psi on these trucks.

And this is why?

 

[Fosscore]

Running 37-38psi on both 20s and 24s. Seems to be a happy medium.

 

[retiredsparky]

A tire dealer once suggested I go to a vacant parking lot or quiet street with a piece of chalk, mark a front and rear tire tread with a couple of lines across the tread, then drive straight for a short distance. The chalk will show you if the inflation is too much (center wear) or too little (outside tread wear).

Larry

 

[swathdiver]

A tire dealer once suggested I go to a vacant parking lot or quiet street with a piece of chalk, mark a front and rear tire tread with a couple of lines across the tread, then drive straight for a short distance. The chalk will show you if the inflation is too much (center wear) or too little (outside tread wear).

Larry

 

[gat0r]

^ make sure tires are at operating temp for that

 

[gat0r]

i run on 22s & for daily driving, i usually run @ 32-33 cold. that puts me @ 35-37 w/ tires warmed up.

i also like the playing card vs chalk trick... but both will work well


over inflate slightly & drive until tires are warm. slip a playing card under tire to edge of 1st lug. then slowly deflate tire until card drags on removal (if you cant remove card, you deflated too much)