Intermediate/Fourth Band & Servo

No apply or slipping

Servo Piston (77)

Broken or binding

Servo Piston Seals (78, 79)

Leaking

Servo Pin (76) and Springs (78, 79)

Binding

Servo Cover (80)

Broken, loose, or leaking

Band (100)

Broken, worn, or out of position

Case (1)

Cracked at the band seat

Band Apply Fluid Routing

Fluid leak and fluid restricting

1-2 Shift Solenoid Valve (305)

3-4 Shift Valve (319)

Stuck in the downshifted position

Manual Valve (800)

Misaligned in Manual Third gear

3-4 Accumulator

3-4 Accumulator Valve (323)

Stuck

Line Pressure

Low pressure

Refer to High or Low Line Pressure .

Direct Clutch

A low capacity will cause a failure in the Fourth gear

PSA

Hydraulic or electrical malfunction