Overheating when turning A/C on interstate on 1999 Ford Expedition

While driving on interstate engine starts to over heat if A\C is turned on New thermostats 192' New coolant Radiator flushed

by in El Paso, TX on August 01, 2013
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1 answer 2 comments
ANSWER by , August 01, 2013
POSS FAN CLUTCH OR RADIATOR BLOCKAGE. YOU CAN TEST FAN CLUTCH TOURSELF,WITH ENG RUNNING WATCH FAN CLUTCH IT SHOULD STOP TURNING IN APPROX 3 TO 5 SECONDS IF NOT REPLACE
COMMENT by , August 01, 2013
Thanks for the HELP
COMMENT by , August 01, 2013
your welcome