No 3rd Gear Or Slips In 3rd Gear
Low line pressure. Pressure switch assembly malfunction. 2-3 shift solenoid stuck off or leaking. 2-3 accumulator piston seal leaking. 2-3 accumulator valve stuck. 3-4 shift valve stuck in upshift position. Channel plate or transaxle case porosity near 2-3 accumulator. Misaligned, loose or restricted valve body, gaskets and spacer plate, channel plate and gasket, and driven sprocket support. Driven sprocket support seals leaking or input shaft seals leaking. Damaged or misaligned sleeve on input shaft.
Direct clutch piston assembly cracked, leaking or binding. Clutch friction plates worn or splines broken. Direct clutch spring retainer ring out of position. Direct clutch spring and retainer binding. Direct and coast clutch housing damaged, cracked or plugged feed holes. Direct and coast clutch and input shaft housing exhaust check ball missing or out of position. Fluid leak or restriction in direct clutch fluid routing.