How much air are the tires on the 19' stock rims supposed to have??

 

it should say it on the tire..shouldn't it?

 

^^^^ wa he said

 

35psi

 

actually, it just says max pressure on the tire.

you should look where the driver side door meets the body (where it locks). there's a sticker info sheet with tire pressure for certain conditions (like, at max load, normal load, etc).

Or... you know... there's that manual thingie.

But if you're lazy, look where i told you to look.


you're still a n00b. sorry.

 

Open the driver's door and look for a sticker inside the door jamb just below the lock area. That's the manufacturer's recommendation (for typical applications). Now go look at the tire sidewall... that's the tire manufacturer's recommendation for maximum inflation (cold). Coupes have staggered tire sizes (front/rear), so examine both. Remember, you may not have the OEM tires on the vehicle, so don't make assumptions - double check.

What pressure you should run depends upon a number of variables, to include vehicle load (passengers/luggage), the type of driving you intend to do, the mileage you hope to get (from the tires, and the fuel mileage), and to some degree your personal style of driving. As you might imagine, there is considerable debate in regard to tire pressures.

Generally speaking, you should not maintain pressures below the manufacturer's recommendation, nor above the maximum recommended by the tire manufacturer (as printed on the sidewall). Lower pressures are conducive to more heat generation (friction and sidewall flex) and consequently accelerated tire wear - of course, lower pressures offer a more plush ride, but at some degree of compromise in handling. Higher pressures are not as conducive to heat generation, and thus do not contribute to accelerated tire wear - of course the ride will be more stiff, but handling will be more nimble. Pressures outside the recommended parameters (under-inflation/over-inflation) are to be avoided; severe wear patterns are inevitable and catastrophic tire failure is possible.

Check your tire pressures frequently, at least monthly (weekly is far better). Pay particular attention to wide/low sidewall aspect tires, as they can be quite unforgiving of poor air pressure maintenance.

This is an over-simplification of a mere aspect of the rather involved science of suspension dynamics... just pay attention to your tires, and be careful... there will be a test.

 

uh.. just do 35psi ^^

 

30-35PSI.. 32PSI cold, 35PSI hot.. run it like that.

like the guys mentioned the tire pressure rated on a tire is for MAX Load.. meaning its suppose to be at 45PSI at 5,000lb (for example). so unless you load up your car to be 5,000lb then you're tire pressure shouldnt be at 45.. if the cars empty just run it between 30-35.. tire pressure sensor will go off after 28psi

 

maybe you guys can save me a trip to a dealer. I have OEM tires on the 19's. Sunday, here in NJ was one of the colder days. My car was out on the street and when I went to drive it the low tire pressure light went off with the most annoying sound alert. The car stood in the garage over night, all my tires have 32psi in them, but the warning light stays on, however the sound alert when traveling over 20mph is no longer there. I drove around all day yesterday and checked all the tires which are still at 32psi. My question is, if I disconnect the battery, would that reset the warning light or do you think I got a faulty sensor b/c of the cold? Its annoying to see that light, and my service is not due for another 2,000 miles, so I would hate to waste time at a dealer over a small thing like that. I was even thinking about adding more air to all 4 tires and bring it up to 35psi, but I highly doubt it would solve the prob. Any input would be appreciated.

 

sounds like u have a sensor problem. i would take it to the dealer for a check-up.

 

O's G, I had the same thing happen to my 05 when the temps first dropped in Oct-Nov. All the tires had 31-32 psi and the sensor went off. I pumped all 4 up to 35 psi and the sensor has not gone off since.

 

+1
same thing happened to my wifes G and sure enough all 4 tires dropped to around 32 psi. Bumped up to 35 and sensor cleared. btw I think you have to drive the car over 20mph before warning light clears assuming you have increased the psi

 

Keep in mind once your going 20+ mph it will of course increase the pressure in the tire due to friction/heat from movement.

This is why they tell you not to measure your tire pressure when you have been driving it around.

As for the stock 19 potenza's use 35psi.

 

Thanks for your advice. I inflated the tires to about 36 and after driving for 2 min, the light went off. The only thing now, is that the ride is rough. I am surprised that 4 psi makes that much of a difference. Also now tires slip all the way through 3rd gear when pushing it.

 

no, that's your max.

i would use 36-37psi in the summer, 38-39 in the colder months
averaging 50F or lower.