Ugh, those seals are a big PITA.

Coat the channel and the gasket with a THIN coat of 3M adhesive (it's contact adhesive). Make SURE the gasket is clean first, or the adhesive will peel off.

Align the gasket at the bottom corners to get it in right, but start glueing at the top ones, they are the worst part and if you pull on them to get the gasket seated elsewhere, or don't leave enough slack, they pull loose. Grrr.... Took a long time and several tries to get the left front corner to stick on the 300D.

Let both surfaces dry to barely tacky, then put another THIN coat on the gasket on a short section and let dry a bit, then stick it down. If you get it right, it will stick and STAY, not slide around or let loose when you more on. Make sure you get it seated correctly, as repositioning is a real PITA -- the cement usually pulls off one side or the other and you end up with too much.

Given the fits we had with the 75, you might want to check for fit, then glue only the front and part way down the side, let it sit overnight, then do the rest to avoid pulling the front corners loose.

Please be sparing with the cement -- too much, and it will peel off the steel and paint -- stays on the gasket fine, but won't stay stuck to the metal.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!