Air Pressure Test: Notes

A NO DRIVE condition may exist even when line pressure is correct. This may be caused by an inoperative band or clutch. An erratic shift may be located by substituting air pressure for fluid pressure.

With gear selector lever in a forward gear position, a NO DRIVE condition may be caused by an inoperative forward clutch, low one-way clutch, low-intermediate clutch or low-intermediate one-way clutch.

A NO COAST condition in manual low (1st gear), could be caused by a faulty direct clutch, direct one-way clutch or coast band. Reverse failure may be caused by a malfunctioning reverse clutch, forward clutch or low one-way clutch. Use the following procedure to perform air pressure tests: