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Leaks into the engine bay of New Style Fiat Ducato/Peugeot/Citroen
The problem is water leaking into the engine bay and soaking various components in the engine bay.The long term effects of this will cause numerous and varied problems for these vehicles in the future.It’s all very well and proper to take the matter up with Fiat but in the mean time you vehicle and investment is being ruined.
There are several design faults not rectified by one fix:
1 Water runs behind the plastic scuttle below the windscreen and via the joint of the two halves.
2 The extreme ends of the plastic scuttle are lower than the drained channel with no means of connecting with the off centre drain tube so they fill and flood into the engine bay.(exasperated if the vehicle is parked on a camber)
3 The fresh air intake drain tube is to the rear of the intake so if the vehicle is parked nose down the water leaks via the seal between the two halves of the intake.
4.Water runs between the plastic trim plates above and down the side of the headlamp
5.The gap between windscreen and a post acts as a channel to funnel water under the bonnet.
6 The gap between bonnet and headlamp has no means of stopping water entering the engine compartment
My suggestion for a solution to the problem I have done this to my Burstner Solano and it works after testing with a hose no significant sign of water.
1.Seal the plastic scuttle to the windscreen
2. Fit drain tubes to the two low areas of the plastic scuttle (i.e. both ends)
3.Fit a drain to the fore end of the fresh air intake
4.Seal with silicon
5.Seal with silicon
6.Stick foam to underside of the bonnet short edges to form a seal.
For the 3 drain tubes I used 18mm dia metal inserts used for plastic pipework its easy to drill the necessary holes an 18mm wood bit is ideal for plastic.I then sealed the inserts which have a small lip with silicon.
To the inserts I attached 25mm dia plastic flexible conduit its a slack fit on the 18mm insert but easily taken up with silicon.The plastic conduit is ideal for the task as it can be tied back into almost any shape I used cable ties to secure the pipes with them terminating level with the bottom of the main plastic bumper.
To seal the plastic scuttle its easier to remove the bonnet 4 bolts mark with felt tip pen the heads of the bolts this will allow exact repositioning.Remove the wipers 2 nuts.Remove the trim panels above headlights 2 machine screws each plus clips.
Then release the plastic scuttle some screws and clips no need to remove completely just pull back to make the application of the silicon to the inside face easier.Refit the scuttle it may be necessary to hold the scuttle to the windscreen with some small wedges from the wipers.Any excess silicon exuding can be trimmed with a sharp knife after setting.
When drilling the hole in the freshair intake drill it on to the drop lip so it’s in the lowest possible position.
Using evostick ( if your foam is not self adhesive)stick 5/6 mm thick close cell foam strip to the underside of the short edges of the bonnet,foam about 15mm wide.
Sealing the area around the headlamps and body use black silicon since there is a groove for the most part its easy to make a neat job looking like it’s meant to be
What a task on a new vehicle that cost £45k but it will definitely be worth it.
Colin Frier
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( Malaga Spain)
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Hi Colin, this sounds an excellent way to deal with the problem and whilst not wanting ''to rain on your parade'' as it were I would like to point out the following condition from the terms and conditions of the Peugeot (would be similar for Fiat probably)warranty booklet. Doing what you have done can invalidate your warranty, please see your warranty book for info however I have reproduced the salient point below!
The Warranty can cease if the vehicle has been adversely affected by one or more of the following events.
Modifications or alterations have been carried out which have neither been provided for nor authorised by the Manufacturer or have been carried out without complying to the technical instructions specified by the manufacturer
Now I suppose it could be argued that the modification has not adversely affected the vehicle as it is now not leaking, however they could use the above to get out of paying for ANY further warranty work should it be required.
Please be aware I am not trying to scaremonger but you may need to claim on the warranty in the future. I would probably never paid it much attention until our lawyer asked for a copy as it could be pertinent!
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To fix or not to fix that is the question!!!!!!!!!!!
Hi 38Rover.
Firstly many thanks for signing the petition
We need all the support we can get
Secondly I like your comprehensive description of our "defects"
Third I'd venture Fiat,Peugeot & Citroen still don't even get it!!
Fourth this failure to act will come back to bite them & like a downhill runaway train it will gather pace.
Lastly I have to say I agree with Carolgavin That the companies involved will probably use any customer "remedies" to "wriggle out" of future warranties.
I applaud your effort and hope they never use your "fix" against you, If they do I will gladly start another petition to shame them on your behalf.
Cheers 1happy
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