Ford F250 Super Duty

20

Asked by Feb 05, 2011 at 04:34 PM about the 2002 Ford F-250 Super Duty XLT 4WD Crew Cab LB

Question type: Maintenance & Repair

When I use the electronic switch in the truck, the 4x4 light comes on, I hear a knocking as if it is engaging, however, it won't engage.  We replaced the fuse, but still nothing.  Any suggestions?

5 Answers

4,035

Make sure the actuator on the transfer case is clear, no major mud or grease buildup. If it is, get under there with a pressure washer and see if it works.

no acuaitor on transfer case,their is a small motor on back of TFC,also check the vac lines on top of it.

1 people found this helpful.
4,035

That is the actuator, it moves the shift forks instead of the driver using a shift lever.

FORD dont use the acuaitor,it is the motor on transfer case.

1 people found this helpful.
20

Thanks guys....it turned out to be a vaccuum hose. problem solved.

2 people found this helpful.

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