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Old 05-08-2012, 05:48 AM   #1
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Smile Drifting while driving

Another question about our 37' 2012 Monaco Knight, hope that I am not being a pest. We have driven it about 700 miles since buying it and I find that the coach does an excessive amount of wandering around and I have to fight to keep it between the lines. It is at LazyDays as I write this and they are trying to see if this problem can be solved. At first the Monaco rep there said that the coach was well within standards so they could not do anything about it . He also told me that this wandering was standard with a coach of this wheelbase .I personally think he is wrong. I had to be persistant and the shop foreman finally took it for a test drive and he agrees with me that the wandering is excessive. My suggestions were checking front end alignment and also checking the traveling level of the air bags. Has anyone else experienced a lot of wandering while driving their Monaco coach and if so I would like to hear about it and what if anything you were able to do to solve this problem. Thanks , Alan
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Old 05-08-2012, 07:23 AM   #2
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Tho not a 2012, my 05 travel supreme began to wander returnung from a 3k trip. At home, for an inspection, had it checked. Alignment front and back were at zero. They changed front alignment, drives like before. Guess pot holes and such changed alignment over time.
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Old 05-09-2012, 05:08 AM   #3
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i guess that I posted this in the wrong forum as I meant it to be in the Monaco forum .I don't know how to get it there now so if anyone can help I would appreciate it . Thanks ,Alan
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Old 06-09-2014, 10:32 PM   #4
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I had a similar problem with my HR 2013 Ambassador 40 foot. It was a nightmare to drive on a two lane highway with a cross wind and semi running the other way. The toe in/out was way off. More than a 1/2 inch of toe out. Alignment shop changed to 1/16 toe in. Made a big difference.
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Old 06-10-2014, 11:12 AM   #5
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First: Alignment and proper tire inflation (Rarly anything you think it is ) is step one. to properly inflate tires you have two choices.. The easy (but slightly more expensive way) is to go to RV Safety & Education Foundation and click on the weight link, they come to you with portable scales, find a place and weight it, they do an interview (By phone) and bring the needed charts and stuff with them.

The harder (But slightly cheaper way) is to do a 4-corner weight, this requires you find a FLAT SCALE, Segmented if possible, Park with front and rear axle on different segments and get total axle weight

No park so only one side is on the scale, still segmented, and get the That side weight,, Axle - Side = other side, then to to the tire maker's web site and download the inflation chart, Inflate all tires according to the weight results.

Next: Motor homes are nortorious for 3 suspension issues (Well 2 are issues for sure, one you decide)

1: Sway, Think of fans at a Feet The World concert swaying side to side while holding their BIC's... The motor home Rocks side to side (Tilts left, tilts right, tilts left and so on)

SWAY bars are an attempt to control this, SOME coaches have good ones, some.. do not and can benefit from an improvement.


WAG,, Think of a dog wagging it's tail side to side,, In this case the motor home is moving sideways over the axles. The front moves left as the rear moves right making you THINK you are going to the left.. then they swap and you THINK you are not going right, you compensate, which by the way makes it worse.

TRAC BARS also known as Pan Hard bars stop this dead, I mean DEAD if you put two of them on, one may do it

This is caused because leaf springs are able to move a bit side to side, If you have independent front suspension, then you do not need a front track bar.. Likewise strut suspension already has them. But Leaf Springs,, NEED THEM.


Finally there is a steering stabilizer.. This is the one where you decide.. This is a device that attempts to keep you pointed straight ahead.. Mine is a Blue Ox True Center..
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