Mechanics

F250 FOUR WHEEL DRIVE WILL NOT KICK IN.

1997 Ford F-250

1997 Ford F250 V8 Four Wheel Drive Automatic 197000 miles

MY TRUCK HAS A FOUR WHEEL DRIVE SWITCH. WHEN I TURN THE SWITCH TO FOUR WHEEL DRIVE - THEN THE " FRONT" DRIVESHAFT WILL TURN ON - BUT FOR SOME REASON THE HUBS WILL NOT GO IN TO THE FOUR WHEEL DRIVE MODE. MY TRUCK HAS NO MANUEL HUBS - IT IS AUTOMATIC - OR SHOULD BE. MY TRUCK HAS VACUUM SYSTEM THAT WORK IN CONJUNCTION WITH THE FOUR WHEEL DRIVE SWITCH IN THE CABIN. WHEN I TURN THE FOUR WHEEL SWITCH TO 4-WHEEL DRIVE - THEN THE VACUUM SYSTEM WILL WORK - BUT, I DO NOT GET FOUR WHEEL DRIVE. THE HUBS WILL NOT KICK IN TO THE FOUR DRIVE MODE. WHAT'S WRONG? THANK YOU. LARRY POND.
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LARRY POND
September 21, 2009.




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