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Old 04-05-2015, 10:54 PM   #1
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Diesel pusher handling problem

I have 2003 journey with a wild handling problem. When I get out of the accelerator the coach dives to the left. When I apply power it tends to go right. Had front alignment checked twice its fine. Any ideas ?
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Old 04-05-2015, 10:57 PM   #2
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Broken rear axle mount?
Broken suspension piece on rear axle?
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Old 04-05-2015, 11:11 PM   #3
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Quote:
Originally Posted by Mr_D View Post
Broken rear axle mount?
Broken suspension piece on rear axle?

I'm thinking it has to be something in the rear suspension, I don't see anything when I look. I'm taking it to another shop in the morning hope they can find something.
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Old 04-06-2015, 05:09 AM   #4
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I also believe it is something in the rear end. A front end problem would do it all the time.

Best of luck!
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Old 04-06-2015, 05:30 AM   #5
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While having the front alignment checked, did you mention your problem?

Did either shop check the rear axle for movement?

Find someone to check all of the drive axle suspension components. That sounds like the area with a problem.
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Old 04-06-2015, 06:52 AM   #6
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Have the engine mounts checked as well .....
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Old 04-06-2015, 07:01 AM   #7
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I would call the Freightliner Chassis help line and see if they have any ideas. Then I would find an authorized Freightliner Oasis center and take the coach to them.
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Old 04-06-2015, 07:06 AM   #8
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A friend had a similar problem and it was rear end bushings, they were shot.
He had it to several front end shops but it was a frame shop that found the problem.
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Old 04-06-2015, 08:41 AM   #9
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That would be my guess, panhard bar bushings on the rear axle. Without the rear axle held properly side to side you get torque steer.

Very important part on a non-leaf spring axle.
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Old 04-06-2015, 09:59 AM   #10
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Have someone follow you on a multilane road so they can watch the outside while you make it do its thing.

If something moves they may see it.
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Old 04-06-2015, 11:06 AM   #11
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Chock the front tires, move it, gently, against the chocks and see if either side, rear tire, moves fore or aft, in the wheel well.
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Old 04-06-2015, 01:28 PM   #12
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I have one other probably very silly thought: make sure your parking brake is holding if you haven't already used it on a sloped area.

In my mind there's a tiny, very tiny chance this is happening because of something broken in the rear differential/axle housing itself. However, if that's the case, the parking brake may not really be holding, especially if you commonly stop on a very level location (where the weight of the coach itself inhibits much movement.

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Old 04-06-2015, 03:10 PM   #13
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Steve I don't understand how a differential prob could keep air brake from holding. But I do agree the handling prob could be in the diff.
I appreciate everyone's input. It may be awhile nobody in Okc wants to work on a motorhome. It's sitting at a truck shop waiting on a time when no trucks are waiting to be worked on. Not a good deal but only place with good reputation that would look into it.
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Old 04-06-2015, 04:35 PM   #14
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Freightliner shop is about 30 days out. I'm on the list if they get cancellations it mite be sooner. That why I'm at another place waiting. Talked with a freightliner factory rep this afternoon, his suggestion was to ckeck track bar an torque rod first on rear end. Go from there I guess.
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