Harsh or Late First, Second, Third, and Fourth Shift

Checks	Causes
1-2-3-4 Clutch Assembly	Inspect for damaged or broken 1-2-3-4 Clutch Piston (461) and piston seals damaged, worn or leaking Inspect for fatigued or binding 1-2-3-4 Clutch Piston Return Spring (460) Inspect for improper surface finish on 1-2-3-4 Clutch Plates (456-458)
Case Cover Assembly (403)	Inspect for leaking or loose fitting blow off valve