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February 1, 2000 Service bulletin

Some vehicles equipped with electronic shift on the fly transfer case may exhibit one or more of the...

Ford technical service bulletin 8120 for 2000 Ford Excursion and 1999-2000 Ford Super Duty F Series.

Bulletin number
8120
Component
Power train: axle assembly
Summary
Some vehicles equipped with electronic shift on the fly transfer case may exhibit one or more of the following conditions: front hubs will not unlock / lock with mode switch, noise from the front axle while driving in 2 wheel drive mode, air conditioning switching to defrost when shifting into or out of 4 wheel drive mode. Tt

Owners of these vehicles have filed 20 complaints in the transmission category.

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