1-2 and/or 2-3 Shift Solenoid Valve

Checkball in Housing

Leaking

Detent Lever

Misaligned

Forward Clutch Piston

Cracked or damaged

Forward Clutch Piston Seals

Leaking, cut or rolled

Forward Clutch Plates

Burned, damaged

Forward Sprag

Damaged, not holding

FWD/Coast Housing

Broken or spline damage

Lo Roller Clutch

Worn or damaged

Manual Valve

Misaligned

Oil Transfer Sleeve

Misaligned, damaged, leaking