Uneven rear sagging

[AB camper]

Hi all, hoping for some advice as I've run out of ideas! My mobilvetta 7 berth on a 2008 Peugeot boxer chassis sits lower on the offside rear by about 25mm. I purchased new twin leaf heavy duty springs from Jones Springs and got to work. When I took the old sagging leaf off and compared to the new leaf the old one had a larger arch shape than the new leaf. This puzzled me, but I went on and fitted it anyway. Once fitted I lowered the van back down but it sank to the bump stop. (somewhat predictably) I spoke to Jones springs and they sent an additional leaf, I installed this but still the same result! Jones springs says they don't know why this is happening. I've re-fitted the old leaf and it sits as originally, sagging but not on the bump stop.

If I install assisted air suspension will this level out the back of the van?
Thanks in advance

 

[XxAnthxX]

It would in the short term.....but I’d be worried about the long term effect on the air bag, as the name suggests it’s air assisted suspension, to assist the original spring/damper setup.

 

[AB camper]

Thanks, I had similar concerns. Any idea who I can contact for more advice on more suitable leaf springs? It's difficult to know as the van is uprated to 4000kg on the plate but most boxers are 3500kg max.

 

[XxAnthxX]

Probably best to speak to one of the upgrading / up-plating company’s for advice.....or wait till someone here comes forward with a suitable name. I know a lot of people do use SvTech for up-plating tho.

Be careful with your questions and answers at the minute tho.....you can only post five times without a paid subscription, which is well worth it to be honest.

 

[mitzimad]

fiat chassis are designed to run on the bump stops they are actually called spring assisters .There shouldnt be a significant difference in ride height unless there is a lot of weight one side

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[XxAnthxX]

My van sits about 1“- 1 1/4“ off the bump stop / spring assister..... as are the ones in the link below.

AB camper

Have a look at this page....there’s a link to the springs they used....

JOHN & MANDY

NOMADIC ADVENTURERS

www.gjot.uk

 

[Langtoftlad]

1) I'd be subscribing to the forum for the wealth of knowledge, support & advice.
2) I'd be checking your max permissable axle weights to make sure you're not overloaded.

 

[ambulancekidd]

 

[gus-lopez]

 

[tacr2man]

It is possible that your vehicle had extra load springs fitted when uprated , the Jones springs may be "heavy duty" compared with standard springs , but not when compared with the actual springs that you have fitted .
Ideally you need to get rear axle weighed total and individual so you know what weights you have each side . Some vehicles have more set to the spring on one side , eg early landrovers as driver , fuel tank , and battery were all on same side of vehicle .
.

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[RobbyMClark]

Sorry saw the title and thought you where talking about SWMBO.