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Old 06-19-2021, 09:36 PM   #1
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Brand: Thor Motor Coach
State: Alabama
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THOR #13601
37kt front tire wear.

2015 Challenger 37Kt. Have been running my tire pressure according the placard
@90PsI. Front tires are wearing on outside and inside on both right and left tires.
Original Michelin’s.
Should I go up on pressure to 100pSI to correct wear problem? Sidewall indicates 110 cold pressure.

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Old 06-19-2021, 10:08 PM   #2
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
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THOR #7035
Quote:
Originally Posted by Dorsam View Post
2015 Challenger 37Kt. Have been running my tire pressure according the placard
@90PsI. Front tires are wearing on outside and inside on both right and left tires.
Original Michelin’s.
Should I go up on pressure to 100pSI to correct wear problem? Sidewall indicates 110 cold pressure.
Correction: Sidewall indicates 110 MAXIMUM cold pressure
The sidewall does not know which coach it is on
Have your coach weighed and determine by the tire manufacturer's weight vs inflation chart if 90 PSI is correct or if you need more or less pressure.

If 90 PSI is correct have the front end hardware and alignment checked.
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2016 ACE 27.1
2016 Chevy Sonic Toad
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Old 06-20-2021, 12:23 AM   #3
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Model: Newmar Bay Star Sport 300
State: Alabama
Posts: 4,196
THOR #6826
If you have the original tires your yellow sticker will be the correct pressure for your tires at the GVWR. If they are “under inflated” it might mean that you are over loaded - although this is unusual for front tires. Increasing the pressure to 100 won’t hurt anything except maybe the ride comfort but it might not help either. You need to find out why the tires are wearing on the edges. And do get your alignment checked if you’ve never done so.
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