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Sealing a wagon tailgate
Posted: Wed Apr 20, 2016 6:16 pm
by parisian62
Hi everyone,
My grey matter seems to recall that there was a tech bulletin or the like by GMH that showed a wedge shaped piece of rubber that could be added to each top corner of the bottom tailgate that would provide a better seal.
Can anyone point me in the right direction?
Stewart
Re: Sealing a wagon tailgate
Posted: Wed Apr 20, 2016 6:31 pm
by Craig Allardyce

- H170-G.jpg (112.27 KiB) Viewed 5479 times
Re: Sealing a wagon tailgate
Posted: Wed Apr 20, 2016 8:16 pm
by parisian62
Thanks Craig

That's exactly what I was thinking of.
Re: Sealing a wagon tailgate
Posted: Thu Apr 21, 2016 7:39 am
by Harv
G'day Stu,
When you fit these, can you take some photos please? I suspect I may need to do the same thing on the EK.
Cheers,
Harv
Re: Sealing a wagon tailgate
Posted: Mon Apr 25, 2016 11:19 pm
by Errol62
That's gold!
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Re: Sealing a wagon tailgate
Posted: Tue Jul 28, 2020 1:16 pm
by Harv
Dragging up an old thread.
As suspected back in 2016, I am going to need to fit these rubber pieces to the wagon tailgate. The recent wet weather has shown that it leaks like a sieve without them.
Does anyone have the dimensions of these bits, before I start trial and error?
Cheers,
Harv
Re: Sealing a wagon tailgate
Posted: Tue Jul 28, 2020 1:52 pm
by FireKraka
I'm also extremely interested in this so would really like to see some photos and dimensions as Harv said.
Neil
Re: Sealing a wagon tailgate
Posted: Wed Jul 29, 2020 6:08 am
by Harv
Some investigations yesterday once it stopped raining.
The upper tailgate seal extensions would look similar to the blue PVC tape:

- Upper seal extension.jpg (89.5 KiB) Viewed 4005 times
This meets the lower tailgate where the hipline comes across:

- Where the extenstion meets the lower seal.jpg (90.47 KiB) Viewed 4005 times
The lower tailgate seal has a thick bulge in this area:

- Thicker seal profile.jpg (86.49 KiB) Viewed 4005 times
I wonder if the original lower tailgate seals had no "bulge", and that GMH later modified them to include the bulge and hence not need upper extensions?
In any case, the bulge doesn't work too well... testing with a water can shows it is the bulge area that is leaking on mine. The bulge is thick, hard rubber, whilst the opening rubber that it seals against is soft foamy rubber. The soft foamy rubber gets mooshed around pretty badly.
Hoping someone will chime in with how the solved the problem, otherwise will start playing with making up some extensions.
Cheers,
Harv
Re: Sealing a wagon tailgate
Posted: Wed Jun 29, 2022 1:16 pm
by DieHard
Dragging this up again.
Purchases all new seals, same issue. Water all over the interior boot area.
Did anyone solve this?
I have some polymorphic plastic I can mock up a piece? Would be an easy mold to make
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Re: Sealing a wagon tailgate
Posted: Wed Jun 29, 2022 6:56 pm
by Harv
I got distracted (at times I have the attention span of a goldfish), and did not make up the GMH extension bits. My tailgate still leaks like a sieve, but a car cover keeps the majority of the problem at bay.
Cheers,
Harv