Forward Clutch

No apply or slipping

Piston and Seal Assembly (607)

Binding, cracked, or leaking

Inner Seal (608)

Plugged orifice

Clutch Plates (601-604)

Worn friction, or broken splines

Snap Ring (600, 605)

Out of position

Housing (609)

Cracked, or plugged feed holes

Housing Retainer and Ball Assembly

Missing or out of position

Springs (606)

Binding

Input Sprag (515)

Damaged or not holding

Lo Roller Clutch (652)

Damaged or not holding

Forward Clutch Fluid Routing

Fluid leak or restriction

Oil Feed Tubes (83)

Forward Clutch Support (114)

Channel Plate (27) and Gasket (28)

PSA (13)

Leaking drive switch O-ring

1-2 Shift Solenoid Valve (305)

1-2 Shift Valve (302)

Stuck in upshifted position

2-3 Shift Solenoid Valve (305)

Misalignment

Torque Converter (55)

Stator roller clutch is not holding

Line Pressure

Low Pressure

Refer to High or Low Line Pressure .