2019 Tire Pressure vs Ride - Page 2 - TerrainForum.net: GMC Terrain Forum
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post #11 of 26 (permalink) Old 08-05-2019, 02:30 PM
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michelin wear

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Originally Posted by oldtux View Post
I have 17" Michelin Premieres [dinged by many for excessive wear, BTW]. The 17" Michelin Latitudes I had on the old car showed little wear at 26K.
Have these same tires. They do wear quickly, michelin stood by their warranty and basically bought me one tire when two were too far worn. Gave me about $80 each. Just an FYI for anyone who has them with wear, have your tire shop send them in and they should get a refund for you.
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post #12 of 26 (permalink) Old 08-05-2019, 06:25 PM Thread Starter
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True, garbec01, but you gotta figure the Chevy engineers factored that in. Those same engineers went for sportiness over compliance; and, lacking a Cadillac budget, accepted the tradeoff in bounce and noise. I, too, lack a Caddie pocketbook so I'm OK with the result.
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post #13 of 26 (permalink) Old 08-06-2019, 08:10 AM Thread Starter
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brakeassistissue, How many miles did you get on the Premieres?

Last edited by oldtux; 08-06-2019 at 08:13 AM.
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post #14 of 26 (permalink) Old 08-06-2019, 08:12 AM Thread Starter
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brakeassistissue, How many miles did you get on the Premieres? [Apologies for the double post - some kind of glitch].
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post #15 of 26 (permalink) Old 08-06-2019, 12:00 PM
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One thing to note about tire pressure: if you look at your door sticker it does say cold tire pressure. Meaning you should be starting at 35 PSI. Don't inflate/deflate your tires to 35 PSI at the gas station after driving on a hot day. Check them in the morning, and check them as seasons change. You want 35 PSI in the winter and the summer. I noticed as we reach the hot season, my Equinox is starting out at about 37 PSI in the garage. I need to let some air out. This will affect your ride comfort and noise periodically.
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post #16 of 26 (permalink) Old 08-06-2019, 07:10 PM
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One thing to note about tire pressure: if you look at your door sticker it does say cold tire pressure. Meaning you should be starting at 35 PSI. Don't inflate/deflate your tires to 35 PSI at the gas station after driving on a hot day. Check them in the morning, and check them as seasons change. You want 35 PSI in the winter and the summer. I noticed as we reach the hot season, my Equinox is starting out at about 37 PSI in the garage. I need to let some air out. This will affect your ride comfort and noise periodically.


this is a good point, many many people donít understand this and panic when the tire pressure increases to 38-39psi on a hot day after a long drive and will let air out to achieve 35psi, then the next day they wonder why the tires are only at 31-32psi and under inflated i always tell people if you have to drive to a gas station to add air, add it to what the other tires are reading ex: 3 tires are reading 37psi after the drive there fill the low one to that pressure


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post #17 of 26 (permalink) Old 08-07-2019, 10:48 PM
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I found the 19" tires feel every crack in the pavement. (Strang though it is real smooth over big bumps like train tracks)

I reduced the pressure to 30 PSI It is going to ruin the corporate gas mileage average rating but I am now getting better ride and traction.
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post #18 of 26 (permalink) Old 08-08-2019, 01:22 AM
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Quote:
Originally Posted by victorvdc View Post
I found the 19" tires feel every crack in the pavement. (Strang though it is real smooth over big bumps like train tracks)

I reduced the pressure to 30 PSI It is going to ruin the corporate gas mileage average rating but I am now getting better ride and traction.
That probably will make the ride somewhat better; probably won't affect the handling too much; probably won't cause excessive heat buildup, but what about the TPMS?

Tire pressures set that low will undoubtedly set of a low tire warning from the TPMS system; as 30 psi is five pounds lower than what the system is calibrated for.

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post #19 of 26 (permalink) Old 08-08-2019, 06:17 AM
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Originally Posted by garbec01 View Post
That probably will make the ride somewhat better; probably won't affect the handling too much; probably won't cause excessive heat buildup, but what about the TPMS?

Tire pressures set that low will undoubtedly set of a low tire warning from the TPMS system; as 30 psi is five pounds lower than what the system is calibrated for.

.


at the beginning of winter when temps drop quick, iíve seen 30psi with no low tire warning. i did get a warning at 27psi before when i had a nail on the tire so iím guessing it turns on at 29psi. iíd be more concerned with premature wear running that low of pressure... and itís easier to damage a rim as the sidewalls will be softer


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post #20 of 26 (permalink) Old 08-08-2019, 07:36 AM
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Tire pressures set that low will undoubtedly set of a low tire warning from the TPMS system; as 30 psi is five pounds lower than what the system is calibrated for.

.

Not sure, but I was under the impression that low-warning was triggered by one tire being "significantly" different in pressure from the others. But, I could be wrong...again !

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