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Old 01-08-2014, 09:11 PM
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Recommended Tire Pressure

Hello

I am leasing my new Jeep Grand Cherokee and I am wondering what is the recommended tire pressure for the base Laredo 17 inch tires? I am trying to figure out what would work the best so I do not have to buy new tires before the lease is up. (sorry if this is a stupid question.)

I know I can look in the manual and see what Jeep recommends but I know that what the company recommends is not always best.

Thanks in advance.
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Old 01-09-2014, 02:02 AM
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Re: Recommended Tire Pressure

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Originally Posted by makris0000 View Post
Hello

I am leasing my new Jeep Grand Cherokee and I am wondering what is the recommended tire pressure for the base Laredo 17 inch tires? I am trying to figure out what would work the best so I do not have to buy new tires before the lease is up. (sorry if this is a stupid question.)

I know I can look in the manual and see what Jeep recommends but I know that what the company recommends is not always best.

Thanks in advance.
It's on the door Jam.

Give or take a few pounds you should get reasonable Tire life.

Most important thing is you keep an eye on it and the TPMS system makes that way easier.

I've been running my tires a few pounds higher than recommended for 6 years or so with no wear issues. But there are trade-offs.

My last GC, I'd get 70-80K miles easy on Good Year Wranglers.

These OEM tires are not rated for that many miles though.
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Old 01-09-2014, 05:13 AM
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Re: Recommended Tire Pressure

I agree with MSWLOGO...also keep the tires balanced and rotated every 5,000 to 6,000 miles and they will wear more evenly last much longer. If you hit a pot-hole or something hard on the road watch the alignment it may need checked especally if the tire are wearing on the inside or outside on the fronts. I personally would go with about 2-3psi above the door jamb...especially in the winter as the psi drops about 1psi per 10 degrees colder. Overall if you keep them aired up and rotated they will last the life of your lease.
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Old 01-09-2014, 07:34 AM
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Re: Recommended Tire Pressure

I run at recommended (door jam) pressure or 1 more lb. in 3 seasons. In winter I run 2 - 3 pounds over so they don't get too low during 0F to 32F (or below) temperatures.
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Old 01-12-2014, 12:28 AM
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Re: Recommended Tire Pressure

Stick with the recommended pressures. More often than not, the manufacturer DOES know what they are talking about. If you tow a decent load bump the rear 3 psi pr so.
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Old 01-12-2014, 01:13 AM
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Re: Recommended Tire Pressure

I run my tire pressure slightly higher for better gas mileage.
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Old 01-12-2014, 01:16 AM
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Re: Recommended Tire Pressure

I currently have mine at 37psi (even though I thought I put 38) according to my TPMS because my old car had 16 inch tires and I had 36psi so I figured 38psi would be fine because 33psi seems way too low for a 17inch tire.
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Old 01-12-2014, 06:30 AM
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Re: Recommended Tire Pressure

I keep mine at 39 psi and monitor it every few days. We've seen temps well below 0 and I've been happy with the performance thus far.
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Old 01-12-2014, 07:06 AM
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Re: Recommended Tire Pressure

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Originally Posted by makris0000 View Post
Hello



I know I can look in the manual and see what Jeep recommends but I know that what the company recommends is not always best.
That's true. It's always better to turn to the internet and get recommendations from butchers and bakers and candlestick makers.


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Old 01-12-2014, 11:14 AM
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Re: Recommended Tire Pressure

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Originally Posted by mswlogo View Post
It's on the door Jam.

Give or take a few pounds you should get reasonable Tire life.

Most important thing is you keep an eye on it and the TPMS system makes that way easier.

I've been running my tires a few pounds higher than recommended for 6 years or so with no wear issues. But there are trade-offs.

My last GC, I'd get 70-80K miles easy on Good Year Wranglers.

These OEM tires are not rated for that many miles though.
Well said!
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Old 01-31-2014, 01:22 PM
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Re: Recommended Tire Pressure

I live in a fairly moderate climate (Oregon) where temps seldom get below freezing, occasionally as low as the 20's. And although I do keep some winter goodies in the GC (cables, little food and water, some additional warming gear and so forth), I forgot about what low temps mean for tire pressures on a recent trip to West Yellowstone in mid December. First morning their it was -9 and although the remote start had warmed up the interior nicely the tire pressure had dropped to well below where the tpms wanted it to be. All four tires were at 36-37 psi when we left Portland, but were now at 26-28. PV=nRT (ideal gas law for those of you wondering) works in Montana too. A quick trip to the filling station and all was better of course. Had to air back down once we hit the road back to Oregon. GC was great in the snow. Snow mode worked well with the 6+ inches that were on the ground a couple of mornings. And the packed snow that covered most of the streets were fine too. Just have to remember that its not starting but stopping that is the larger challenge. Great winter trip though. Highly recommend it to anyone with a GC and a lot of warm clothes.
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