 | Home > Maintenance & Modifications > Crack on roof joint, spot weld failed. Do I need to worry? |
 
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| Cupboard Member Since: 21 Mar 2014 Location: Suffolk Posts: 2971   
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Where the roof changes angle on my Defender, there's a small crack. I think that's where water is coming in because the inside of the roof gets wet if you squirt it with a pressure washer, either way it's not going to help anything.
I've been pouring Captain Tolley's in, and it keeps just disappearing. Poked it yesterday and noticed how much movement there is on it, looks like one of the welds has come loose. 
Do I need to worry about a loss in strength, or do I just keep pouring sealant in? |
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23rd Feb 2016 8:52am |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
only thing rain water leak in
Sikaflex 291 or 292 can be painted over |
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23rd Feb 2016 8:55am |
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| Happyoldgit Member Since: 14 Sep 2007 Location: Norfolk Posts: 3471 
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A pressure washer will potentially make leaks worse. If that were mine I'd stop pressure washing, wait for the weather to warm up so the area can dry out, seal and paint. What makes you think a weld has failed? Steve.
Owned numerous Land Rover vehicles of all shapes and sizes over the decades. Current Defender: A non tarts hand-bagged Puma 110 XS USW. [Insert something impressive here such as extensive list of previous Land Rovers or examples of your prestigeous and expensive items, trinkets, houses, bikes, vehicles etc] http://forums.lr4x4.com I used to be Miserable ...but now I'm ecstatic. |
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23rd Feb 2016 11:41am |
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| Cupboard Member Since: 21 Mar 2014 Location: Suffolk Posts: 2971
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Because when I poke it the top layer wiggles and the bottom layer doesn't, but if I poke other areas the whole lot wiggles together.
I've been having small puddles forming in the back when it rains and the wind is in the wrong direction, so I was looking for a leak whilst cleaning it. First time I've washed up there since buying it in 2014  It's only set on very low pressure anyway.
The roof inside was dry when I started washing and wet when I finished. |
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23rd Feb 2016 1:37pm |
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| tookaphotoof Member Since: 18 Mar 2013 Location: dordrecht Posts: 1279  
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My roof had the same problem. So much fun every time. My headliner kept splashing rainwater onto my lap every time I took a turn.
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23rd Feb 2016 2:13pm |
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| Happyoldgit Member Since: 14 Sep 2007 Location: Norfolk Posts: 3471
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If it's out of warranty then as a DIY fix I'd do what I suggested earlier with the addition of repairing suspected failed welds with blind pop rivets. Steve. Owned numerous Land Rover vehicles of all shapes and sizes over the decades. Current Defender: A non tarts hand-bagged Puma 110 XS USW. [Insert something impressive here such as extensive list of previous Land Rovers or examples of your prestigeous and expensive items, trinkets, houses, bikes, vehicles etc] http://forums.lr4x4.com I used to be Miserable ...but now I'm ecstatic. |
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23rd Feb 2016 4:49pm |
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| jimbob7 Member Since: 06 Jul 2013 Location: uk Posts: 2055 |
Captain Tolleys is only good for very fine cracks,looks like you need a mastic that you can paint over.As said before, Sikaflex or Tigerseal,or any non-silicon based bathroom sealant.
Run 2 lines of masking tape either side of the joint,squeeze in the sealant and finish off with your wet thumb for an undetectable finish. If you removed the interior trim can you see where the water is coming in!! Pov.spec,ftw. 2006, 110,TD5. |
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23rd Feb 2016 4:55pm |
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| Cupboard Member Since: 21 Mar 2014 Location: Suffolk Posts: 2971
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Might borrow a little squirt of white Sikaflex from work and put some weights on it whilst it goes off then.
So long as that's not a structural thing that's going to come back and bite me! Would a rivet work? I thought there was a crossmember under it where the headliner attaches but I might be wrong. Often am. |
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23rd Feb 2016 9:56pm |
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| LR90XS2011 Member Since: 05 Apr 2011 Location: bickenhill Posts: 3674 
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why not mix up some liquid araldite and work into gap, will seal and has mechanical strength to stop it growing DEFENDER 90 TDCI XS,
I hope everyone is well and your land rovers make you happy |
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24th Feb 2016 7:40am |
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| Cupboard Member Since: 21 Mar 2014 Location: Suffolk Posts: 2971
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Why didn't I think of that
Thanks, that seems like an excellent idea. I've even got some in my Cupboard of Things. |
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25th Feb 2016 8:13am |
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