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Old 06-28-2013, 11:19 AM   #1
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ROUGH ride

We have a 2006 American Eagle with new tires. Spartan chassis. On our recent trip to New England, we found the ride to be VERY rough! Felt like even the smallest bump was like driving over solid rocks. The coach rode so rough that sometimes we slowed down to 45mph going over bridges! Any ideas
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Old 06-28-2013, 11:34 AM   #2
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tire pressure for starters
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Old 06-28-2013, 02:00 PM   #3
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Weigh each corner. Set tire pressures according to the manufacturers recommendation for that weight. And that's done per axle (all tires on an axle are are set to the pressure required per the maximum weight per corner).

After that's done, then start looking at shocks and such.
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Old 06-28-2013, 02:11 PM   #4
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Usually when new tires are mounted, the dealer airs them to max psi. It sure sounds like that is what they did in your case. To do it right you need to do as suggested by the previous posters: get a 4-corner weight if possible but if not, hit the truck stop and weigh your coach with you inside. Then follow the weight tables for your tires to determine the correct pressure. It almost always is less than what dealers insist on putting in. Our coach rode like a tank until we got it weighed and the right pressure in there.
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Old 06-28-2013, 02:16 PM   #5
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I'd look at air pressure first.
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Old 06-28-2013, 02:22 PM   #6
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Hi and welcome to the forum.

As already mentioned, I'd be willing to bet that the new tires are aired up to the max and it's causing the fillings to be shaken out of your teeth on bumpy roads. You may not have the coach fully loaded with all your stuff yet which could add to the rough ride if the tires are over inflated for your weight.

Good luck.

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