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Correct Way to Check Tire Pressure on Your Vehicle
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- čas přidán 18. 08. 2024
- I did this wrong for years! There is a proper PSI for tires on ever vehicle and its not the pressure listed on the tire that people typically fill their tires to! In this video, I show you where to find the appropriate PSI and then show how I prefer to fill my tires. Use the Amazon Affiliate links below to buy the things needed to check and fill your own tires.
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A really good video this is one of the simple things that should be covered in every driver's training class as well as many other Common Sense things about an automobile
George Drollinger Thanks! I appreciate the reinforcement. It’s a simple thing that so many drivers are unaware of.
I check our tires once a month, just in case the car's sensors are not working. I used to fill the tires to the PSI listed on the door jamb of the car. When I went to many different tire places, they would always fill it higher than recommended. So about 4 months ago, I asked the tire shop owner, why they did that. They said it provides a better ride and reduces the wear, so the tire lasts longer. He recommended splitting the difference between the manufacturer suggested PSI and the max PSI listed on the tire. I really can't tell a difference, but thought I would follow the tire experts advise. Have you heard the same recommendation before?
Dan Davis I haven’t been told that specifically but know there is a ton of misinformation out there. The manufacturers recommendation (sticker in the door jam) is what I would stick with.
Sad to hear them actually say that. I just assumed that the places that 'over'inflated my tires were just compensating for my having driven the car to their place for service, from an unknown distance. They would fill them to 36psi(32 recommended vehicle), and then by next morning the tires would be at or 1psi above the vehicle recommendation.
Grossly overinflated tires do NOT provide a 'better ride'!
Not sure how you'd get more even wear because less of the tyre is in contact with the road, plus the ride would be harder.
The "MAX Cold Pressure" listed on your tires:
Think of that number in terms of a blank artist's canvas. You go and buy a canvas at an art store, let's say a 24"x48".
That 24 x 48 inches defines only the maximum area an artist has on that size canvas to express their creativity. It does NOT imply that the painter has to use every square inch of that 24 x 48 inch canvas. The artist can used just the middle 10 x 20 inches of the canvas if they prefer, or the entire surface. Or one corner of the canvas, if they're an abstract artist. You get this.
The 51psi Max cold pressure on a given tire expresses the total "canvas" - the range of fitments - possible with that model# of tire - NOT to inflate it that high. It also builds in room for expansion due to heat from driving and ambient temperatures. IE, a car that requires 33psi at all four tires when driven the pressure might go up to 35-37psi. A mid-size SUV requiring 36psi in front and 39 in back might see pressures increase with driving into the low to mid 40s psi.
That max 51 psi accommodates for that. Inflate the tire to the max cold 44 or 51psi, and you'll run out of accommodation for heat from driving less than one mile from your house! Not to mention jar any passengers and put undue stress on your suspension parts from the harsh ride that results.
Think of it this way: A small Honda Fit, Civic, or Ford Focus does not need 51, or even 44psi at each corner to support the vehicle, tank of gas, three passengers plus luggage. The typical 33-35psi listed on the driver's pillar sticker has already taken that into account, in addition to how much pressure will optimize acceleration, braking, steering, and other aspects of the vehicle's handling, as well as ride comfort. Even a larger Pilot or Expedition doesn't need that much cold pressure. Maybe mid to upper 30s psi on P(assenger)-rated rubber.
I hope the above advice is not taken too harshly, and that it dispels some of the myths that persist until now regarding the maximum pressure stamped on tires.
Thanks.
Actually tire heat build up is *INVERSE* proportional to the tire pressure, that is, the higher the pressure, the LESS heat build up in the tire. Tire heats up because the side wall will flex once in every rotation. The lesser the pressure, the more the flexing; the higher the speed, the higher frequency of flexing. Most of the time it's the heat from this flexing (plus friction) that causes the tire to explode, not due to over-inflation (unless you actually inflate it to much higher PSI than the max pressure number). Higher pressure makes the side wall straighter, reduces the flexing. That's why all car manufacturers recommend you increase your pressure if you will be driving at the higher speed. And the max tire pressure on the side wall has already taken into consideration that the tire will heat up while driving so it's the COLD max pressure, meaning the tire will actally be capable of handling much higher pressure when the air inside gets hotter :)
"COLD" tire pressure - very important and hard to get right
Yep
Thanks bro! Rock on!
You’re welcome!
Thank you!
You're welcome!
Question: is the recommended tire pressure still the same if you have aftermarket rims and tires on your vehicle? Example: larger/wider tires.
You can refer to the max pressure on the tires and go a little lower than that.
What would be the right PSI if you had your wheels changed?
The max PSI is listed on the tire.
@@TightWadDIY Incorrect. There are load and inflation tables available to determine the proper cold pressure if you plus-size or minus-size your tire & wheel package. Same goes for if you are converting an older car from bias ply to radial tires. You just need to locate the front and rear gross axle weight ratings(GAWR) for your older car, divide each number by two(for each tire on that axle), then consult the chart for the cold pressure that satisfies that load requirement.
I'm frankly getting tired(no pun intended) of this blanket, ignorant advice when one changes from 16" to 18" rims and wider tires, that they should automatically inflate their new tires to 44 or 51psi or whatever the max is on the tires. Stop propagating this nonsense! Consult the correct load tables for your type of tire and vehicle!
How do you check up all the tires for tires on the car
I can tell that's a 2nd Generation Honda Pilot cuz I had the same car previously.
You are correct!
How do you put the head or nozzle in? I'm always losing air when putting it straight
Put it on straight and press firmly.
We have a 2022 KIA RIO with less than 4000 miles on it (bought new) and a few days ago, the TPMS indicator came on but it doesn't tell us which tire is low. The recommended psi is 33. We filled them at the gas station but the TPMS still comes on so I ordered an ASTRO AI digital tire pressure gauge and will be testing the pressure at home when the tires are cold to see what it shows. Do you know what could be going on? Should we take it to the dealer to see if the TPMS is malfunctioning? According to owner's manual, if the TPMS indicator blinks for a minute and stays on, then it is malfunctioning but it's not blinking so I am baffled as to what could be going on. I have read that sudden temperature changes also affect tire pressure. We live in Kentucky and have had sudden temp changes lately. Today, Nov 7th, we are at 74 degrees.
Yes I would take it to the dealership.
Quick question what if you bought new rims and tires "after market". I went bigger, I have 18" rims on my car. Does the recommended psi still the same or changes?
It changes.
Follow the recommendation on the tires not on the tag on the door jamb, if I get bigger rims and tires changed. Am I right?@@TightWadDIY
How did you remove the air?
You just push down on the center pin of the valve stem and it comes out.
@@TightWadDIY ok, thanks. I'll try.
Yuppers 💯 👍
Thanks!
@@TightWadDIY your welcome 😎👍
@@TightWadDIY yuppers
USA got it wrong on the gas station air devices, just add a Manometer to it like in Europe so that you don't have to go back and forth checking all the time if it's right... but like the 110 volts system why make it simple when you can complicate it? 🤷🏻
We do have those some places. However, when broken they cost a lot more to replace so they are usually replaced with the cheaper alternative.
Can you do more videos of how to put hair in a tire or the freedom
32PSI is a complete joke every tire should be filled to 38 to 40.
That’s just not true.
Why that high of PSI
@@ddemier It's quite simple 2 reasons, longer tread life and better load and handling