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Discussion Starter · #1 ·
Hi i"m new to the forum and looking for advice. I bought my used Cactus at the beginning of February it's registration date is Sept 2014 . Over the last couple of weeks I have noticed on the driver side rear air bump cracking and peeling of what seems to be the top lacquer it has also happening on small areas of 2 more air bumps. I took it to a citreon garage obviously expecting them to say it's covered under the body work warranty however they have said to me that it was the first case of peeling that they have come across and they suspect it's the type of cleaning solution used to clean the car....I did comment to him that I don't tend to generally wash my car with SULPHURIC ACID and use ordinary car wash cleaner. He then took photos on his phone and said he would send them off to citroen as a 'claim'. He advised me that he doesn't however think that they will accept the claim as it's clearly something used by the previous owner or a car wash . I did try to point out that thousands of car owners use car washes and their paint work remains in tact how can this happen to a car which is 18 months old therefore has not really been washed that many times . I'm not really sure where to go from here as I don't really want to pay for replacing all 4 air bumps.
 

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Hi, sorry to hear that news, can you post a pic on here so we can all see it. As the air bumps are not 'solid' I wouldn't have thought it was as you suggest 'lacquer'. But it could just be that the previous owner didn't think about what they were useing. A pic would be very usefull.
 

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Sorry to see that, as far as I know the airbumps aren't lacquered. Could it be that the previous owner used something like back to black or some sort of tyre paint in order to spruce them up.

Did you buy it from the citroen garage, or another dealer if the latter may be some recourse from them.

Hope you get it sorted.

By the way my cactus was registered jan 2015 and I have nothing like that on mine they still look like new,
 

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Looks to me like they have been painted to spruce them up. When I collected mine new there was a scuff mark on one of the wheel arch trims. The dealer said there was a special paint they could use. I declined in favour of a new trim. Maybe yours had the special paint job.
 

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It does look like somebody has used something that dries out to a 'crust' rather than stay plyable. Tricky thing now is to find a product that will strip it off without damaging the airbump, carefull what you use.
 

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Hi there, It might be that previous owner had used some sought of detergent or polish. Air bumps just need water and a cloth to clean.
I would suggest you contact BASF the large German Chemical Firm who manufactured this technology with Citroen or Rehau who make the panels for Citroen. REHAU defines new side impact protection with "Airbumps"

The new Citroën C4 Cactus is one of the highly regarded stars of this year's Geneva Motor Show. Indeed, the French crossover offers numerous technical innovations - and it could redefine automotive manufacture with respect to safety. With the "Airbump" innovation, polymer specialist and automotive supplier REHAU has developed a new generation of side impact protection for the model range in France.

Innovation for the Citroen C4 Cactus

Design element and side impact protection: REHAU "Airbumps"

Even before the launch of C4 series production, which is due to begin in the middle of this year, the "Airbump" development is creating a sensation. As a market innovation, it once again highlights the expertise of the international polymer specialist based in Rehau, Upper Franconia as a development partner to well-known automotive manufacturers. In this case, PSA Peugeot Citroën set the requirement to design door panelling in elastic material that should serve both as a design element and as side protection against scratches and dents.

The product clads the long side of the vehicle and is based on air-filled capsules in polyurethane, a thermoplastic that stands out for its high level of flexibility. In the event of a light side impact, the capsules can sink in by up to two centimetres then return to their original shape. - This provides extra protection on the vehicle, which offers many advantages particularly in the traffic of large cities or in car parks. It prevents damage in the event of bumps from car doors or collisions with shopping trolleys.
"Airbump" is an innovation initiated and launched by REHAU on its French site in Morhange. It is something of which the company is proud even beyond France. "The development of innovations is fundamental for REHAU all over the world and characteristic of our principal strategic focus," says Stéphane Heising, Head of Key Account Management PSA at REHAU. In today's automotive industry, marketable innovations are undisputed major growth factors, which mobilise many human and financial resources.

The development partnership between REHAU and PSA has existed for over ten years - a constructive co-operation for which the supplier alone has won four prestigious awards from the car manufacturer in the last five years. Between 2008 and 2013, the company was awarded the "PSA Quality Award", the "Supplier Award" for industrial performance and most recently the "Supplier Award" for its innovation. In December 2011, REHAU was honoured with the title of "Preferred Supplier".

The polymer specialist produces the "Airbump" door panelling for the Citroën "C4 Cactus" including air capsules on its Spanish site in Tortosa and is delivering directly to the PSA assembly lines in Madrid from April 2014.

Hope this might be helpful.

Good Look.
 

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unfortunately your air bumps have been repainted,and laquered over.the original finish of plastics hold the colour,and not the top coat.
the only way out is to renew the air bumps.further painting will only add to the problem.
try and get some redress from the selling dealer?
 

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Discussion Starter · #10 ·
Thanks do you think the dealer may have done this ?I can't see why the previous owner would have done this on a virtually new car it seems bizarre
 

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Liddytyse said:
Thanks do you think the dealer may have done this ?I can't see why the previous owner would have done this on a virtually new car it seems bizarre
I would guess the clueless dealer has done it to tart it up. He should have used Autoglym bumper and trim gel.
 

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Anybody who paints or laquers on top of a soft rubbery material is nothing short of an idiot. By its very nature it 'gives' even more so with air bumps, they might as well not bothered with all the development. Unless of course the 'paint' is rubberised like tyre paint. If this is the dealers work you should be able to get it sorted but if it was the idiot previous owner try and find out who/where they are and have a word. If it was him and didn't know what he was doing its possible he could tell you what it was he used. That'll be half the battle, good luck and keep us posted.
 

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I looked at (and test drove) a purple Cactus with grey air bumps. The panels looked a bit tired so I asked the Arnold Clark dealer
how much to change them? He said 500 pounds to paint them black. Didn't want to get a cost to actually replace them.
So I suspect dealers may paint them if they reckon the colour is unpopular or they are marked. Worth looking out for as at least initially it
could be hard to detect.

Dave
 

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If the dealer can't tell that those have been painted, he needs to go to Specsavers. Who knows why, maybe the detailer did it.
 

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Your dealer is fairly useless if they couldn't tell you straight away that these airbumps have been treated! I fear that the only option is to replace or have a go at cleaning them off as clearly the product used doesn't bond terribly well...

I'll put my money on the supplying dealer as the 'valet' Neanderthals have a habit of chucking anything at a car to make it look nice. I suspect they've used some sort of vinyl-based 'bumper back to black' product.
 

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ref your air bumps,sorry the reply is a little late,but maybe the previous owner had scratches or dents to the body panels,and these may have been repaired with the the side bumps still fitted to the car,the body panels repaired,and painted,and laquered over including the side bumps,but on the other hand it maybe only the side bumps have been repaired,and laquered over.
either way if the panels or side bumps are not properly prepared before painting ie not flatted down properly or not degreased properly this will happen,also a build up of to many coats of paint or laquer on the side bumps will become brittal and crack so leading to the flaking off of the laquer.
 

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I don't know. But i'm sure someone wanted a bright air bump.
Maybe you could find a 'normal' one at a savage for a reasonable price.
Good luck with it.
 
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