Rough riding Workhorse

[r4etired]

I recently purchased a 04 35' Sightseer. I had the front aligned and last week put in new Michelin steer tires. I can still hear and feel every expansion joint on the concrete roads. Still have a slight shimmy at 62 to 65 mph. Yes the new tires were balanced. This is my 3rd motorhome and by far the worst riding and driving one I have had. maybe it needs new shocks, has 24000 miles on it. What should I do.

[JonBrazel]

I'd start with weighing all 4 corners loaded as you would travel and adjust air pressure to tire manufacturers specs for your weight. Then I would invest in a set of Koni FSD shock absorbers if that doesn't help enough.

[Duner]

Here's a post from yesterday from another happy Koni FSD convert:
Another Happy User - Koni FSD shocks

I changed to Koni's about 3 years ago and they really do give you a much smoother ride over those expansion joints. On my w22 it was an easy DIY job. If your existing shocks are all black, they are probably the original Monroe's and my guess is they are shot.

[Bert_64]

Quote:

Originally Posted by JonBrazel I'd start with weighing all 4 corners loaded as you would travel and adjust air pressure to tire manufacturers specs for your weight. Then I would invest in a set of Koni FSD shock absorbers if that doesn't help enough.

I agree with the weighing and adjusting of tire pressure. Had new tires put on this year. After a short trip to make sure there was no bead leaks, we adjusted to pressure to our weight (about 25psi lower that the tire shop had put in). They max. out the tires. They were rock hard before we mad the adjustment. Now we have a nice smooth ride.

Tire pressure is very important in the way your coach rides

[Photog]

Quote:

Originally Posted by Bert_64 Tire pressure is very important in the way your coach rides

I agree that correct tire pressure will help. But, it can't correct bad shocks.

My Monroe shocks were dead at 6.000 miles. Koni shocks are the best improvement I made.

[Duner]

Quote:

Originally Posted by Photog I agree that correct tire pressure will help. But, it can't correct bad shocks. My Monroe shocks were dead at 6.000 miles. Koni shocks are the best improvement I made.

After putting on the Koni shocks, you'd swear that the tire pressures was lowered to 20 psi.

[DriVer]

Quote:

Originally Posted by Photog My Monroe shocks were dead at 6.000 miles. Koni shocks are the best improvement I made.

Photog, My experience is the same as yours. New set of Monroe RV Magnums, DOA at about 6K miles "or less!"