Multivan T5 2005 Sunroof leaking HELP!!
Reply With QuoteHi Lauren I fit and service sunroofs so I can offer some help for you free of charge [unlike the dealers ] . Ok a couple of questions is the sunroof a factory or aftermarket one ? does it slide back internally or over and outside the roof . If unsure send me a couple of photos to my message box . Where do you see water coming into the van ? , next a simple test for the drains which is the first step to test . Open the sunroof up with the rear of the van facing downhill , there should be a housing which the water can get into pour some water on each side into the housing . The water should run to the rear and then come out onto the road below the van , if there is no water coming out it would indicate a blocked drain . Also do the same test for the front drains with the front facing downhill this time . Now if any drains are blocked the water most likely depending on how the roof slides will start to fill the sides of the housing until it overflows into the roof trim . Now as I have never had to repair any of the factory sunroofs the location of the drains will be a bit hard to tell . If one side is letting water out I would suggest checking the similar location on the other side to find the outlet . VW have over the years has used a system that will block so you need to check this , at the very outlet point they sometimes use a self sealing rubber fitting to stop any dust getting back into the pipes . As I said if one side is working do avisual check to find what you are looking for on the side that is blocked , if it has one of those rubber fittings you can easily unclog it with a small screw driver to dislodge and build up of muck . If this is the case pour more water into the housing to flush out any more dirt . DO NOT let anyone tell you its a $5k job to fix give that delaer a wide berth . The next one could also be an issue VW again have used some pretty dumb ideas for their sunroof drains , we get a lot of problems with VW Beetles and especially VW Tiguans , the problem is they do not clamp the hoses where they join the sunroof housing and they WILL leak at that point see photo of what we do to fix the problem but you will need to remove part of the roof trim to get to the hoses if they are like the Tiguans etc . We use a wide cable tie or a hose clamp to fix the hose to the frame , sometimes you need to put some silicone sealnt around the next joint as they can leak as well , its just ashocker of a design from VW . Now next you could take the van to Webasto Sunroofs in Kirrawee they can check for you if needed , ask for Norm Kaj .
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