Not sure if this will help anyone, but I replaced my Alpine window seals over the weekend and this is a brief how I done it..

Ok, so this (if the picture works), is why the seals needed renewing:
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As you can see, the seals were cracked and letting in water.

These are the tools needed, along with some rag and a stanley knife:
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So where to start?
First, remove the filler strip. I used a screwdriver and prised the old one up and pulled it out.
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Next, I sprayed the soapy water mix all over the seal, then I used a plastic 'spudger' (in this case, a mobile phone prizing tool) to break the join between the glass and rubber. I did this all the way round, let the water get in and then started to work the rubber off the glass.
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Once the top and sides have been freed, the glass should lift out:
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Voila!
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Next, remove the old rubber seal:
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This should be what you have removed:
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This is the window aperture, it will need cleaning prior to fitting the new rubber
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Cleaned:
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Clean the glass too..
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So, time to fit the new seal, here it is:
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This photo shows the rubber profile. The top wide section is for the glass, the centre shaped section for the filler strip and the bottom narrow section goes on the body.
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I fitted the seal dry and started halfway along the bottom, so the join would look neat.
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Work the seal all the way around, until you get back to where you started:
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I cut the seal, using a stanley knife, and left about 5/8" (16mm) overlap
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Then i fitted the 2 ends together and compressed the seal into place. The extra piece of seal will help to keep it tight in it's aperture and help keep it watertight.
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Next, wet the seal all the way round
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Next, I slid the window into the lower part of the seal
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And slid it up to the end (the top part of the glass is still not in the rubber)
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Next, use the spudger, soapy water and work the glass into the seal
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You should then have the glass in the seal and in place
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Give the glass a few gentle bashes with your hand, this will help it settle and allow the seal to settle.
Then it's time to fit the filler strip:
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This is the profile of the strip. the pointed lower piece is the bit that sits in the seal
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Using a window filler strip tool, open up the gap in the rubber, use soapy water mix to help.
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And insert the filler strip through the tool, into the gap
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Work the filler strip around and into the seal, by sliding the tool along the gap in the seal
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Soapy water helps on the filler strip and seal:
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Carefully work it past the join in the seal
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Work until you reach the end, where you started
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I cut the filler strip about 3/8" (9mm) longer than needed
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And then fed it in and compressed it to make the join and apply pressure to the seal
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Inside, I had a couple of places, where the seal had lifted, i just pushed these flat to the glass and they stayed put.
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Voila! 1 down, 1 to go (if you're doing both)
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Hope this is of help..
Very good post with lots of meaningful images.
 
Followed your instructions. Very useful and when finished mine looks pretty decent and not too many new scratches. Couldn't see the pictures - they must have expired. Took me 2 hrs per window doing it by myself. Tricky to get the windows into the rubbers and a real beast of a job to get the strip in around the radius. Someone said to use a piece of string to help. I could see that helping in getting the window into the rubber. I used a trim removal tool to push in the strip. There is probably a better special tool for this task.
 
I made a tool for this out of some welding rod - pictures to follow if anybody wants. I also used Tyre soap on all my rubber, makes it so lovely and easy to work with and doesn't irritate the skin.
 
Great guide - I did the job yesterday on my 88” SW and it took about 3 hours to do both sides. Main problem I found was inserting the sealing strip: partly because, as others have said, it’s a really tight fit, partly because the insertion tool I used was just slightly too narrow for the strip, and mostly because I am not ambidextrous!

Main learning from this: leave more overlap than you think you’ll need, particularly on the final sealing strip - pushing it into place really tightens up both seals and it’s surprising how much they stretch, even in situ. You can always trim the excess off, but you can’t easily add it back!

John
 

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