Let's be carefull out there
Join Date: Jan 2006
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your sunroof should have a rear tilt of around 2-3 inches but should also lift and slide rearwards. Sounds like there is rust in the mech from water ingress. Try spraying the runners with WD40 for a while to free the rust then give a good grease when moving again.
On the Scenic there are drain holes in the corners of the frames, the pipes run down and out of the wheel arches.
Currently in chris m's garage:
2000 Scenic 2.0 16v Monaco, BMW 3 Series, Pug 206