On my 83 the locks are done but on my 85 they work, but not all the time, sometimes i wonder if it has the mind of its own, and my back window has somekind of gearing problem it makes a thumb every 2 inches it goes up? what can i do to fix that.

Locks, check for vacuum leaks. Rear window, sounds like regulator problems, and can be fixed with either cleaning and lubing, straightening out any bends, or just replacing the regulator.

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RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

99 W210 E300 TD Turbo, chipped. Still needs EGR Delete, 228K

90 Dodge D250 5.9 Cummins/5 speed. 400K

Where is the vaccum

I'd start right under the "search" button.

Try looking here: http://dieselgiant.com/mercedesmastervacuumswitchinstall.htm or use the search button underneath your name at the top of this page. Vacuum is everything. Could be a bad switch or broken line in one of the doors. What part of Western PA are you located at?

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'83 240D (for sale)
'84 Harley FXRT
'85 300CD Turbo (Sold)
'85 500SEC (for sale)
'04 Dodge Dakota Quad
'06 Harley FLHTCI
'97 SL320

close around pittsburgh

grew up in South Hills area.

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'83 240D (for sale)
'84 Harley FXRT
'85 300CD Turbo (Sold)
'85 500SEC (for sale)
'04 Dodge Dakota Quad
'06 Harley FLHTCI
'97 SL320

really thats cool, pennsylvania is a nice state

Had the same problem on a 240D. Turned out the seal/boot around the actuation shaft of the trunk diaphragm had a crack. Sometimes would seal, sometimes not. Might try blocking off the diaphragms for the trunk lock and fuel door to see if the problem goes away.