Open sunroof and apply paste to slides and pads. If you cannot get the sunroof open, you will probably have to detach the headliner and push it back to get some lube in the appropriate spots.

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!