240 Recommend Tire Pressure


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Hello,

What is the recommended tire pressure for a 240 with 195/70/14 tires ?

According to some information i managed to gather, the recommend tire pressure for 185/70/14 is about 36psi in one case and another one was 32psi.

What is the difference between the two pressures, and what is recommended for what cases?

So, does 36psi fit this size,? If not, what is the recommended one?

Thanks in favor.

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i personally like to run a higher pressure, sorry im a goofball. must been the heat....

also in my 850 the tires are filled with a different type of gas no just regular air... ill go get a pic of the brochure tomm.

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i personally like to run a higher pressure, cause the fl roads create a higher temp so the hot air shrinks in size, thats why they dont reccomend adding air to a hot tire...

HUH? Hot air expands.

I run 36 in mine, 215.45.R17

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Thanks everyone.

I run 36 in mine, 215.45.R17

215/45/17 is "a bit" bigger :lol:

This is a quote from the manual:

psi kPa psi kPa psi kPa psi kPa psi kPa

Sedan, USA 970 lbs 36 250 36 250 185/70T14 26 180 27 190 165-14 36 250

Sedan, Canada 425 kg 35 245 35 245 P185/75R14 26 180 28 200 165-14 36 250

Wagon, USA 1220 lbs 36 250 36 250 185SR14 27 190 30 190 175-14 40 280

Wagon, Canada 495 kg 35 245 35 245 P185/75R14 26 180 30 210 175-14 40 280

I didn't get it - when should I fill 32 and when 34 ( or 36? ).

I am a bit confused - If anyone can explain a little - it will be great.

Thanks again.

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Normally, tire pressure is designated by the tire manufacturer. It is printed on the side of the tire as max load. Gives a weight limit and a psi limit. Until you figure out how the tires react under different driving situations with different tire pressures, run with the number on the tire - 10% (like TFT said). Mine are rated at 44psi. I'll run between 36 and 42, depending on what I'm doing. Right now they're at 36.

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Guest 850T-5

It's simple and pretty much describes the recommendation on the vehicle placard.

Generally 30PSI is what Volvo recommends (minimum) for ride comfort, which is a little on the low side.

Generally 32PSI is what Volvo recommends for speeds above 65MPH and for better handling with decent ride comfort.

Generally 36PSI is what Volvo recommends for maximum fuel economy and for those who want a stiffer, more responsive ride.

32-34PSI with most tires as mentioned in most cases is safest and should be within Volvo recommendations for your vehicle.

Always use a digital gauge since those pop up gauges are horribly inaccurate and always check/adjust presure when cold. Also disregard what the tire says on the side since that is just the maximum allowable pressure.

Anything above 36PSI for every day driving and even most performance driving is pretty much overkill in much cases.

Contrary to common belief there really is no benefit running more than 36PSI in most vehicles under most conditions, except for a harsh ride, reduced traction and quicker tire wear.

I have found 34PSI to be the best in 4 different Volvos I've owned, one of them also had a bunch of suspension upgrades and I drive them hard. Handling, traction, treadwear, response, braking and ride quality all seems optimal at 34PSI.

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  • 3 weeks later...

32 is a safe bet for almost all normal tires. Some cars recommend a 2 psi difference between the front and back, usually i see this recommendation on rwd drive cars (rear being higher). Also i make a determination on the temp outside and how it flucuates, such as if at night it drops to -25 and during the day its at like -5 to -10 then i go with the tire recommendation for the night time so if im driving at night im not sitting under inflated (btw it makes a hugh difference in psi if you pump em hot during the day and check the psi at night).

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