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Old 02-25-2020, 08:45 PM   #1
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Sunseeker leaning to the left

Hello everyone! Iím noticing a problem with my 2012 Sunseeker 2860ds with a significant lean to the left. I just replaced my right side airbag as it had a leak in it. And now Iím noticing the lean. I didnít notice it prior to replacing the airbag and Iím fairly certain I installed it correctly. Both bags hold air and tires are inflated correctly. Is it possible I did some damage when jacking it up? I used a 20 ton bottle jack under the axle. Do I need to replace the left side airbag as well even though it holds air? Iím out of ideas on what I did wrong. Thanks to anyone who replies or can help.
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Old 02-25-2020, 09:17 PM   #2
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Do your bags fill seperatly or both together. If together, the one on the left could be different then the new one.
I myself would do both at the same time just like shocks, springs or brakes. But that's me as a mechanic thinking!
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Old 02-25-2020, 09:19 PM   #3
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They both fill separately. I’ve tried totally deflating the one on the right and it didn’t do anything.
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Old 02-25-2020, 09:21 PM   #4
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Could be a weak/broken spring. I would examine both and compair the two. Maybe using pictures and measurements. Is that a full slide wall?
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Old 02-25-2020, 09:24 PM   #5
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I was fearing that as well. Just odd that I didn’t notice this lean until after I was done changing the airbag. There are two slides on the left side. I’ve tried it with the slides in and out. No change.
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Old 02-25-2020, 09:39 PM   #6
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With a leaking bag, the left bag was making up the difference till you put in the new and filled to the same psi.
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Old 02-25-2020, 09:45 PM   #7
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But when I totally deflate the right airbag shouldn’t I notice a change? I would think that an airless right bag would even it out like it was before I replaced the bag.
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Old 02-25-2020, 09:51 PM   #8
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You didn't by chance flip the right side rear shackle did you! As a teen in the sixty, we would do that to raise the rear of the car over level. You may not be leaning down on the left as higher on the right. Something to look at. Since it happened after the part change.
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Old 02-25-2020, 09:56 PM   #9
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I installed it the same way I took it off. There’s nothing really to flip around. But I’ll check again in the morning. I appreciate all of your help thus far! Thanks!
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Old 02-25-2020, 10:01 PM   #10
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The rear shackle is the part that holds the spring to the frame hanger at the back side of the spring. Not saying that's it, but is a possibility. Just depends on how the frame was supported to get at the bag to remove. I did mine with the wheels off.
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Old 02-25-2020, 10:07 PM   #11
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Before I started "fixing" this problem I'd find out how much weight was on each side first.

Find a scale that you can drive on with a set of wheels off either side so only one side at a time can be weighed. There are more scales than just CAT scales in many cities. Moving companies, Sand and Gravel companies, and also DOT (State) scales. I use one that's located about 3 miles from my house on a State Highway that's mostly unattended (they open it occasionally to surprise local gravel haulers). and there's enough apron on each side so I can weigh each side separately.

If you have a weight imbalance adjusting air bags, beefing springs, will only cure the symptom (leaning) but won't cure the problem that can cause tire overloading/wear or steering issues.

Every "fix" has a starting point and it should be identifying the root cause first.
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Old 02-25-2020, 10:11 PM   #12
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Hereís a photo of my jack stand setup as well as when I was removing the airbag. Iím 99.9% sure I put it back the same way but Iíll check again in the morning.
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Old 02-25-2020, 10:16 PM   #13
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That looks ok. You may not have noticed the lean until the change and you stood back to look at your job. Weighing would be a good step same as measuring to see if both sides are equal.
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Old 02-25-2020, 10:23 PM   #14
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I’ll look into weighing it but I live pretty far out in the boonies so it’s not a very convenient option. I know I would have noticed this much of a lean prior to starting this project. I’m fairly certain this happened during me changing that airbag today. I’ll take another photo tomorrow of the new install as well as giving the measurements of the fender to ground clearance in the rear end.
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Old 02-25-2020, 10:27 PM   #15
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Have you driven it by any chance since you completed it. Take it for a careful drive till it gets warmed up then look at it again. Its possible it may settle down. That's a hard to do on line with out hands on, if you know what I mean.
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Old 02-25-2020, 10:30 PM   #16
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I thought about doing that but I have not driven it yet. I’ll try that in the morning as well.
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Old 02-25-2020, 10:33 PM   #17
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Shame you are a little far from me. I'm in Southern Alabama right now.
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Old 02-25-2020, 10:36 PM   #18
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Damn. That would have been too perfect. I’m in central Florida. No worries
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Old 02-25-2020, 10:50 PM   #19
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I'm definitely not an expert on your particular motor home, but from a basic troubleshooting standpoint, have you looked at everything that you touched (now that it's back together), and compared to the other side that you didn't work on? That lean means that either you have extra space somewhere on the side that you worked on, giving that side additional height, or you have somehow gotten low on the other side. The two sides *have* to look different, and if you can see where it's different you can see what's wrong.
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Old 02-25-2020, 10:52 PM   #20
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Thank you for the reply. I will definitely be looking at that as well in the morning.
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