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Old 07-05-2010, 11:55 AM   #1
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Motorhome W 22 Chassis

My motor home is a 2003 W 22 Chassis and it is new to me, the front end is bouncing like a spring board off bridges, and wavy pavement. It acts like it is bottoming out. It runs a 100 PSI in the tires, coach has only 4500 miles. Is this normal?
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Old 07-05-2010, 01:11 PM   #2
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Sounds to me like your shocks need replacing, this is not normal!
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Old 07-05-2010, 01:31 PM   #3
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Quote:
Originally Posted by oh no View Post
My motor home is a 2003 W 22 Chassis and it is new to me, the front end is bouncing like a spring board off bridges, and wavy pavement. It acts like it is bottoming out. It runs a 100 PSI in the tires, coach has only 4500 miles. Is this normal?
oh no, never fear .. the solution is at hand! What you need a new set of Koni FSD Shock Absorbers! I guarantee that your porpoising will cease immediately, you will get much better directional control and your ride comfort will increase exponentially!
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Old 07-05-2010, 01:38 PM   #4
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I 2nd the Koni FSD Shock, stopped my Bounder from bouncing around.
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Old 07-05-2010, 02:07 PM   #5
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Driver, what's the part number for the Koni shock absorber.

Thanks
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Old 07-05-2010, 02:08 PM   #6
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My Newmar had that problem first two weeks I got it in 03 changed to Bilsteins 3d week like I did on every other coach I owned.
If its bounding as mine was make sure your seat belt is fastened or your going to hit your head on ceiling.

Bilsteins

Koni's
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Old 07-05-2010, 02:26 PM   #7
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Driver, what's the part number for the Koni shock absorber.
Richardrky, Koni FSD Shop On-Line

All you need to know is your, make, model and year.

03 and earlier are have different rear shocks.
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Old 07-06-2010, 09:28 AM   #8
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The Koni shocks rode beter on road ruts than my DP does now. I loved them.
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Old 07-06-2010, 11:17 AM   #9
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Agree with Koni's!

I put 4 FSD's on a 39 ft. Gulf Stream Sun Voyager on a W24 chassis.
It is so much better I am waiting on the rear sway bar as it may not be needed, it reduced all movement that much. And the ride is actually smoother as well as more controlled.

Good luck.

For me, a front trac bar is next to help reduce constant steering corrections.
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Old 07-06-2010, 11:32 AM   #10
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Another vote for Koni's. It would do no good to give you my part number as your coach will obviously take a different one then mine.
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Old 07-07-2010, 07:37 AM   #11
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You probably have too much pressure in the tires - 100 psi is a bit high for the front axle on most W22's. 85 psi is sufficient to support the max axle capacity and you probably aren't anywhere near max. Rear axle can probably be less as well.

But based on your description, your shocks probably need replacing as well. The shock gurus love Koni's, but the OEM were Bilsteins. Any new shock should make a dramatic improvement.

First get the coach weighed axle by axle and adjust the front tire pressure for the actual weight. Then see if you still think you need new shocks.
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Old 07-08-2010, 07:12 PM   #12
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Actually the OEM shocks on the W22 203 were Monroe -std - junk. Then Workhorse replaced them with Monroe Magnums to stop the porpoising. I went to Koni's 2 years ago and it was a completely different (better) coach. The Monroes that were removed were dead - 54,000 miles.
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Old 07-08-2010, 07:32 PM   #13
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thanks for the help shocks are on the way
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Old 07-08-2010, 07:48 PM   #14
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The Monroes that were removed were dead - 54,000 miles.
Amazing! I only got 32,000 out of mine; "Monroe RV Magnums" totally shot!
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