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Old 05-31-2012, 01:42 PM   #2
Marin
Scraping Paint
 
City: -
Join Date: Oct 2007
Posts: 13,745
The disappearing coolant is a major concern. Where is it going? Into the oil? Leaking into the drip pan? Being blown out the exhaust from a leak in the heat exchanger?

I think you'll need to do more than just remove and replace the sealant in the windows. Don't know what your window construction is like, but generally you need to remove the whole window to fix a leak. Depending on the construction the leak could be down through the track if it's a sliding window, around fixed glass that the glazing has given up on, through the frame-to-cabin seal if the bedding has dried out or worn out, etc. So it's generally better to remove the window entirely, clean up the mating surfaces, apply new bedding and re-install.

Sikaflex is a good choice if some adhesive properties are needed. Our window frames are held in place with lots of screws so we don't need any adhesive properties in the bedding. So we use Dolfinite to bed the window frames. No adhesive qualities at all so if frame removal becomes necessary later--- broken pane or whatever--- removing the frame is easy. We bed the fixed glass and track in Sikaflex.
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