Normal Operation
WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Once the four wheel drive (4WD) system engages the user selected mode, that mode should be maintained. If the 4WD system does not stay in the selected position, systematically check the 4WD system components.
Possible Causes
- PVH vent line(s)
- Mode select switch (MSS)
- Transfer case