Leaking sun roof. Grrrr

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jedmundson

New Member
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29
Location
Buckinghamshire
What is the best way to seal a rear sun roof. The bloody floor in the rear footwells are soaking as is the underlay in the boot.

I assume I have to take the carpet up and remove the underlay to dry it out?

I was thinking of using a sealant gun and squirting it in the grove between the glass and the body. Will this work?
Thanks
 
To do the job properly, you need to take out the headlining, strip out both sunroofs, remove the pathetically small seal that is between the sunroof body and the roof, clean up and reseal with an 8mm bead of black Sikoflex 221. Push down well and stick a heavy weight over the frame before the sealant goes off.

The roof bar mountings also leak.

As you have to take an amount of trim the get the headlining out, there isn't much left to take the carpets out, although the from carpet needs the centre console and both seats removing.

It's worth doing it properly.

Note that the glass seal is a different matter altogether to the body seal.

Peter
 
Just doing this today. Got the lining out in about an hour, got the front sunroof out getting it ready to go back in a minute. Ordered the rail bar seals should be here Friday. I will do the rear sunroof tomorrow. Also thinking about replace the rear 1/4 panel windows seals as well.
 
It will be more likely the seal frame to roof . Not frame to glass . This is the most common leak . Try some waterproof tape 1st round the frame to test . . You can do it right and then take out everything and put a new seal in . Or as I did buy some auto grade sealant and put a very very very small beed round the frame . Did my 2years ago like this no leaks since . Plus only take 10 minutes to do at the cost of £5 . Got mine from halfords
 
I've just done mine, as the rooflining was out I've given it all a spring clean as I went. I wasn't going to remove the carpet but I ended up removing the 3rd seats to replace with storage bins so decided to take out the carpet for a good hoover. Glad I did, where it's been wet for so long there was the start of some rust on various places in the boot floor so they've all been treated, glad I spotted it before it got worse. The fuel pump cover was well on its way as well so that's been done and all the screws replaced with stainless. The carpet took four days propped up against a radiator to fully dry out, the sound damping really soaks up the water and bloody ell, was it loud with it out, only just about drowned out the whine of the fuel pump.
 

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jedmundson said:
What is the best way to seal a rear sun roof.

I was thinking of using a sealant gun and squirting it in the grove between the glass and the body. Will this work?
Thanks
Click to expand...

Worked for me, used sikaflex 221 between glass and body and also small bead round roof side of frame and no more leaks! Obviously the roofs now don't open but i have good aircon and have no interest in sunroofs so it's a good easy solution for me!
 
I've fixed three D2 roof leaks (on 2 cars) - two had the well documented drain channel/plastic corner-piece problem and the other leaked along the top of the windscreen aperture due to corrosion under the window rubbers.
 
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