2019 Tire Pressure vs Ride - Page 3 - TerrainForum.net: GMC Terrain Forum
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post #21 of 26 (permalink) Old 08-08-2019, 08:57 PM
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I dropped mine down to 32 ride seems a bit better...I was running 36, no noticeable change in handling or mpg.

Greg



19 Equinox 2.0T Pepperdust Premier AWD delivery 12/26/18
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post #22 of 26 (permalink) Old 08-08-2019, 09:04 PM
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Currently my pressures are 29-31 psi and the only warning I am getting is from the non-Star monthly report.
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post #23 of 26 (permalink) Old 08-08-2019, 11:52 PM
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Originally Posted by RIT333 View Post
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 !
Prior to the individual wheels having a sensor installed; the low tire alert was triggered by the ABS sensors that measured rotational speed of the wheels. This was called an indirect TPMS system. A wheel that was rotating at a significantly higher speed due to a lower pressure would set off the alert.

The latest systems measure the actual pressure of the individual tires with a sensor mounted within the wheel. This is called a direct TPMS system. There is a programmed threshold that will set off an alert if any tire gets below a specific value.

Running a pressure that is 5psi lower than the specified pressure will likely/frequently set off an alert, especially when seasonal colder ambient temperatures occur.


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2019 Chevy Equinox; 2.0 - LT - FWD - Silver Ice/Redline - Purchased 10/20/2018; Mills Chevrolet, Davenport IA
2016 Chevy Equinox; 3.6 - LTZ-AWD - Black/Black - Purchased 7/7/2016; Mills Chevrolet, Davenport IA
2017 Chevy Malibu; 1.5 - LT - Pepperdust - Purchased 8/2017; Green Chevrolet, East Moline, IL
2009 Chevy Silverado; 5.3 -LT - 4WD - Ext. Cab - Granite Met. - Purchased 02/2009; Green Chevrolet, East Moline IL

Last edited by garbec01; 08-09-2019 at 03:25 PM.
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post #24 of 26 (permalink) Old 08-09-2019, 07:30 AM
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Originally Posted by garbec01 View Post
A wheel that was rotating at a significantly lower speed would set off the alert.

Thanks ! You probably mean faster rotation would trigger the alert. i.e. low pressure -> smaller diameter -> more revolutions to keep up with other tires !

2018 Equinox LT1 1.5 L 4 cyl, AWD, S/R Cajun Red Tintcoat/Black

2010 Equinox LTZ 2.4 L 4 cyl, FWD, S/R Cardinal Red/Black
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post #25 of 26 (permalink) Old 08-09-2019, 03:21 PM
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Originally Posted by RIT333 View Post
Thanks ! You probably mean faster rotation would trigger the alert. i.e. low pressure -> smaller diameter -> more revolutions to keep up with other tires !
Yes, you are correct; senior moment on my part.

Corrected my error in my post.

2019 Chevy Equinox; 2.0 - LT - FWD - Silver Ice/Redline - Purchased 10/20/2018; Mills Chevrolet, Davenport IA
2016 Chevy Equinox; 3.6 - LTZ-AWD - Black/Black - Purchased 7/7/2016; Mills Chevrolet, Davenport IA
2017 Chevy Malibu; 1.5 - LT - Pepperdust - Purchased 8/2017; Green Chevrolet, East Moline, IL
2009 Chevy Silverado; 5.3 -LT - 4WD - Ext. Cab - Granite Met. - Purchased 02/2009; Green Chevrolet, East Moline IL

Last edited by garbec01; 08-09-2019 at 03:24 PM.
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post #26 of 26 (permalink) Old 09-09-2019, 04:50 PM
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brakeassistissue, How many miles did you get on the Premieres? [Apologies for the double post - some kind of glitch].
I think I may have gotten 15-20k miles out of those two. I am not sure exactly, but that is best guess. Could be more. I just know they were well below the warranty amount and so I just had them send it in and took what I got without really worrying about it.

Could have been 30k miles.

Sorry I don't have more specific info for you. I think they were 60k mile rated via warranty.

My car slams on the brakes when it shouldn't. GM says it is safe and normal, and doesn't think a repair is necessary. You be the judge.


https://www.terrainforum.net/9-terrai...tml#post142281


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