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ALKO Air Top (Airtop) Suspension yet again

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Post by Sleepy Fri Dec 08, 2023 2:08 pm

The left side airbag deflated on our last trip.  It is leaking air from where the mounting bolt seems to have rubbed through.  This seems to be a common failure...
I have read many of the forum posts about this but it is not clear to me if our Air Top was fitted correctly.  We will likely be using our local independent (or maybe myself) for the repair so I would like to understand whether to have the new unit fitted in the same way, or bolts reversed, or maybe with dome bolts which has been mentioned.
Can anyone say if the unit was mounted correctly?  Any other comments?
I assume that at this time – after 11 years – it would be a waste of time to approach Autosleeper?
Thanks in advance for comments.

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Post by PLOUGHLIN Fri Dec 08, 2023 3:30 pm

Looks to be mounted the best way to minimise chafing, nut and exposed thread away from the bellows.

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Post by Tengah74 Tue Dec 12, 2023 4:26 pm

Had the same problem bit of a design error. My solution was to replace the bolts with dome headed bolts with an Allen key head and spring washers. This way ensures that the attachment bolts have a good clearance from the boot. Bolts from eBay.
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Post by Biker51 Tue Dec 12, 2023 9:40 pm

Had the same problem 2017, had them replace by Autosleeper with an upgraded version. From memory they cost about £480 fitted, no problems since.ALKO Air Top (Airtop) Suspension yet again Cb9d6d05-83b7-4430-ab3a-a7ba5901e425
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Post by Sleepy Wed Dec 13, 2023 11:44 am

Biker51 wrote:Had the same problem 2017, had them replace by Autosleeper with an upgraded version. From memory they cost about £480 fitted, no problems since.
ALKO Air Top (Airtop) Suspension yet again Cb9d6d05-83b7-4430-ab3a-a7ba5901e425Thanks
@Biker51 -- your post seems indicate a photo but I can't see anything.  Was that the intent?  The method on the forum to include a photo is a bit unusual...
Click the "Host an image" button on the toolbar, it's first in the fifth block from left.
Choose your file using the blue "select files" button
Upload the image using the blue  send button or "send All"
Insert the image using the blue "insert all" or the middle "view" link by the image.
...sorry if you know all this but I am hoping you might have included a photo of your upgraded version?  I'd be interested in that.

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Post by Biker51 Wed Dec 13, 2023 1:08 pm

Sorry for the missed photo, I was trying to copy from my old post. Hopefully this one works.[You must be registered and logged in to see this link.]
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Post by Suf Thu Dec 14, 2023 10:53 am

Hi Folks, we have a 2018 duo. I do need to top up the suspension from time to time. I assume this is normal or acceptable or do I need to get them checked ?
Are the units on all 4 corners or just the front . Can't go and look as we are not at home.
Regards Geoff
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Post by Cymro Thu Dec 14, 2023 12:33 pm

My Al-Ko Air Rides need to be topped up about every two months by a few pounds; that's normal. They are fitted to the rear suspension only. I run mine at about 28psi but of course the optimum pressure will depend on individual circumstances.

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Post by Suf Thu Dec 14, 2023 12:48 pm

Thanks Cymro. No action required then. Thanks again Geoff
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Post by Barry Watkin Wed Dec 27, 2023 9:52 pm

Come back to this discussion again and confirm two best improvement/modifications to this problem.
The first if you use or indeed can find those original units use dome headed bolts, it’s that simple.
The second replace with upgraded system as noted above. You’ll note no infamous hectzagonal bolt head’s waiting to wreck your pride & joy.
Which AutoSleeper now appear to agree with possibly agreeing the originals were ****
Note you’ll save £2/300 if you fit them yourself. I haven’t heard if AutoSleepers ever issued a ‘Call back’ on the original’s conceding they were poor/not adaquate?
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Post by snoman Sun Sep 15, 2024 7:05 pm

Hi 👋🏼 yes there was a recall for bolts fitted incorrectly.. 
Autosleeper replaced mine FOC with the bolts simply fitted the other way which still had the same issue of the bolts rubbing on the rubber bellows and creating a puncture.. When I approached them again complaining that this was a bad design issue, they suggested it was my error and refused to entertain my request to have them replaced under warranty.. 
obviously from the later pictures they have now abandoned the old style mountings, and the bolts can not pierce the rubber bellows 

This would have been the correct fix on the original recall 😤
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Post by Barry Watkin Sun Sep 15, 2024 8:10 pm

Good day, Interestingly Autosleeper didn’t contact us with any form of ‘Call Back’ & yes we did own the Kemerton from new.  To make matters slightly more annoying when our original set chaffed through they Charged us for the replacements with no mention of any recall. When they too went albeit a few years later, I checked out there fitting more closely only to discover the same problems of the previous set. Needless to say this third set weve fitted without AS assistance/cost & used the obvious well documented domed bolt head fix. I guess my training in the marine trade works better than theirs in the motor trade!  (Old timer I learnt from— “do you know happens Lad if we can’t fix this? ……..We sink!!) 
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Post by The Bargee Sun Sep 15, 2024 8:31 pm

Barry Watkin wrote:. I guess my training in the marine trade works better than theirs in the motor trade!  (Old timer I learnt from— “do you know happens Lad if we can’t fix this? ……..We sink!!) 


How true. I am still “in the marine trade” after over 50 years and still struggle to believe how far behind at least some areas of the motorhome industry seem to be in terms of technical advances, electrics and simple general engineering compared to the standards that we work to in the marine business. It seems all a bit DIY to me!

I bought a motorhome last year and it took me back to the technical and quality levels of the marine market in the late sixties when I started, excepting of course the electronics which don’t work, and have now been removed from my van.
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Post by snoman Sun Sep 15, 2024 8:51 pm

Alas we found out about the recall from some clever boffin on here and we're not contacted by AS 😕 

You'd have thought they would have realised that simply turning the nuts and bolts around, would not rectify the issue..! 🤦🏼‍�

How easy is it to replace the bellows/air bags oneself ? Any special tools or knowledge required 🤔

Thanks
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ALKO Air Top (Airtop) Suspension yet again Empty Air bag no longer holding air.

Post by Smithee Sat Sep 21, 2024 6:46 pm

I've just noticed one of my Alko airbags is no longer holding air for very long. I was astounded to see another Isle of Wight van and one in Tynemouth had also suffered the same fate, I lived in Tynemouth and then East Cowes before moving to Yarmouth on the Isle of Wight! Could anyone here advise the best place to buy a replacement bag please?  I note that the Alko system is no longer flavour of the month but want to sort the van before I sell it. Any help would be gratefully received. I have, for what it's worth , not found the Alko system of any great benefit.
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Post by Smithee Mon Sep 30, 2024 4:07 pm

I have now replaced the air top bellows on my 2012 Warwick Duo . Only one was screwed by the ill-fitted bolt-head.Total time under 2 hours. I also replaced with domed bolts both sidesso same thing didn't happen again.
      The best place to get the bellows turned out to be On-Air in Chingford who were very helpful with an all-in price of £127 including VAT and carriage. The other firms were having a laugh with their prices. The price is just for the bellows. You can re-use the rest.
         The only variation to the item removed was that the bellows had bolts at the top, not threaded holes. I just used nyloc nuts instead--no further alteration was necessary.
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