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Old 08-22-2003, 08:15 PM
psfred psfred is offline
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Join Date: Aug 2001
Location: Evansville, Indiana
Posts: 8,150
The AC problem is probably vacuum related, the flaps are moved by vac.

Start checking vacuum lines in the engine compartment -- the green plastic lines are for the climate control. You will find that the rubber hose parts that connect the plastic lines are all shot unless replaced recently.

Have a care with the plastic tubes, they will be brittle by now.

Try applying a vacuum to the green line and see if the climate control then works properly -- the fan is switched off if there is no vac in the system.

A large vac leak can make the engine run lean, causing overheating, but I'd bet on a clogged radiator myself, given the age.

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!
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