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Air Pressure Tests

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

A no-drive condition can exist even with correct transmission fluid pressure because of inoperative clutches or bands. Refer to the Band and Clutch Application Charts A and B to determine the appropriate elements. A clutch concern can be located by substituting air pressure for oil pressure to determine the location of the malfunction.

For example, when the transaxle range selector lever is in a forward gear range (Overdrive (Circle D), 2, 1), a no-drive condition can be caused by an inoperative forward clutch.