90 sdl
When I turn my a/c off I get a thump from under the passenger side dash. According to the threads that came up under a search it is some insulation around a flap that has gone to dust.

Where exactly is this flap and can it be reached without taking the dash apart? I would like to replace the foam to quiet it down.

Don

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82 300D....went to MB heaven
90 350 SDL....excercising con rods