Question about 2000 Ford Expedition
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Posted on Jan 02, 2017
You need to open the vent, under the dash. Check the cable and moving action assembly. Make sure that it is all moving correctly. Some of the newer hvac systems in cars work off of vacume but most work with cables. Not big long cables, just small lever cables. also check your seals and make sure none of them are broken. I often find this is a bigger probel, the seal is cracked or broken or just came off and needs to be re glued in place. Don't be afraid to take the vent tubes apart as long as you can remember where they go.
Posted on May 31, 2009
SOURCE: AC blows out of the
SOUNDS LIKE A VACUUM PROBLEM ...CHECK THEVACUUM RESERVOIRS FOR LEAKS ,,CRACKS ETC ,, USE A HAND OPERATED VACUUM PUMP AND PLUG THE OTHER PORTSTO SEE IF IT HOLDS VACUUM. ALSO CHECK THE PLASTIC VACUUM LINE THAT SUPPLIES THE A/C CONTROLL SWITCH . THERE SHOULD BE A CLEAR 2 HOSE CONNECTOR BELOW THE GLOVE COMPARTMENT I THINK THERE ARE 2 HOSES THAT ARE USED ,BLACK , GRAY , USE A SMALL VACUUM T AND INSTALL IN THE VACUUM SUPPLY LINE ( I THINK IT'S THE BLACK LINE ) TEST DRIVE THE VEHICLE AND SEE IF THE VACUUM GUAGE ON THE PUMP FALLS DURING ACCELL IF IT DOES TURN OFF THE A/C AND RETEST IF IT FALLS . AGAIN CHECK ENGINE VACUUM AT INTAKE MANIFOLD SUPPLY PORT TO VACUUM CANISTER ,, I HAVE SEEN ANYTHING FROM CRACKED VACUUM LINES ,CHECK VALVES, TO CAT CONVERTORS CAUSE THIS
HOPE THIS GETS YOU IN THE RIGHT DIRECTION
Posted on Aug 16, 2010
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