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19" Tire pressure?

36K views 25 replies 20 participants last post by  wiz043  
#1 ·
Hi guys and gals. I just purchased a set of used OEM 19" Titanium wheels/tires for my SE.
My SE originally came with the 17" wheels/tires. Tire pressure for those is 35psi.

For any of you that may have a Titanium with the OEM 19" wheels/tires, what is the correct tire pressure for that tire?

I'm currently running 35psi in them but I want to be sure I have the pressure right for that 19" Continental tire.

Thanks
 
#5 · (Edited by Moderator)
Is that 42psi on a Warm or cold tire, since the tire /air is expanding as you are driving on it, what is the read after you driven it for a little bit, how close are you to the max? If you are running at / close to max, and you hit a pot hole there is very little ability for the tire to take the absorption of energy.

Over inflating cause the tire to bow out from the center besides leaving less tread touching the surface which isn't much to begin with. It will also increase the wear on the tire from the center out. Basically if you take your hand and put it flat on the table, that's the tire at recommended pressure, if you cup your hand (under inflated) that would be comparable of what is contacting the ground and also if you bend your fingers back so only the finger joints are contacting the surface is what it would be like if the tires are over inflated.

Just offering an insight.
 
#3 ·
As stated on the vehicle for that rim and tire, 36 psi for front and rear. However I think it hugely depends on where and how you drive. If I ran 36 psi in my tires, the edges would wear out very quickly compared to the center. I live in a mountainous area and drive the car fairly hard sometimes. I run 45 psi and my tires are wearing very evenly and I have close to 30,000 miles on them. One note, I do not have the continental tires that came on the car. I am running Michelin Pilot Sport A/S 3's.
 
#9 ·
I'm gonna run them at the OEM spec 36psi as stated on the door sticker that (markboris) posted.
I've already noticed in only two days with them that the 19's have alot crisper, firmer, and more feel of the road versus the previous 17" tires. I couldn't imagine running 42psi.
My wife might complain about that ride. After-all it is her daily driver. LOL

I'll read the tires as they wear and adjust the air pressure accordingly.

Thanks
 
#10 ·
Ford recommends 36psi. checked when cold all the way round. If you chose to run more or less that's up to you. As a large fleet shop manager/mechanic, its always been our companies policy to run what is on the door jam. We ignore what is on the tire as that's the max pressure for that tire and it can fit more that one specific vehicle.
I remember we had driver that had a heart attack and passed away at the wheel. He rolled his truck. The CHP impounded the truck and one of the first things they checked was the tire pressure, the second was the brakes, and then everything else. The tech that touched it last was very nerves. Fortunately all was OK for the tech, sadly not so much the driver.
Mark
 
#14 ·
Tire pressure

My 2014 Titanium has the original Conti 235/45 x 19s on it and has just turned 53,000 on those original tires. By the time the inspection bumps call for new tires, I'll probably have about 57 - 58,000 on them. I attribute the long tire life to always putting 40 PSI in them when they are cold. Since these tires are rated for max of 50 PSI, I feel very safe with 40 and I feel it allows my Escape to handle just a bit better in the turns and keeps the edges from wearing prematurely. :)
 
#17 ·
Agree with you on going too fast but, over-inflation is really dependent upon what one considers over-inflation. Inflating a tire up to its rated pressure, while making the ride harsher, will actually improve performance, mileage and cornering. It also improves a tire's load carrying ability. So, when the manufacturer rates a tire for a maximum of 50 PSI, it is safe to run the tires up to that pressure. Just wanted to clear the air on that subject. :)
 
#18 ·
As for my 2016, the sticker on the door jamb states 36 psi for all 4 tires. I am a tad frustrated with the TPMS alarm not coming on until the tire pressure is 26 psi. I wish there were a way to configure this in the settings.
 
#20 ·
You could be completely anal. Get the car warm, spray the driveway with water and coast through it. Increase or decrease air to get the most wet tread. For my 245/45/19 BF Goodriches, that's 38/34.

The original Contis only made it to 46K miles for me but I'm pretty hard on them. The BFs are a little louder but perform so much better.
 
#21 ·
The original Contis only made it to 46K miles for me but I'm pretty hard on them. The BFs are a little louder but perform so much better.
Only made it to 46k miles?

I'd be over the moon if I got half that distance.
 
#26 ·
The recommended pressure in mine with 2 passengers is 33psi cold all round. I always run 34psi with no low pressure indication and even wear.