No 2-3 Shift or 2-3 Shift slipping, Rough or Hunting
Checks
| Causes
|
Oil Pump (4)
| Stator shaft bushings scored or off location
|
Valve Body Assembly (60)
|
• | 2-3 Shift valve train stuck |
• | Gaskets or spacer plate incorrect, mispositioned or damaged |
• | 2-3 Accumulator valve stuck |
• | Chips in servo feed oil, orifice #7 in spacer plate |
• | Mislocated valve body to spacer plate checkball or checkballs |
|
Input Housing Assembly (620-621, 646-655)
|
• | 3-4 clutch or forward clutch plates worn |
• | Excessive clutch plate travel |
• | Cut or damaged 3-4 clutch or forward clutch piston seals |
• | Porosity in input clutch housing or piston |
• | 3-4 clutch piston checkball stuck, damaged or not sealing |
• | Restricted apply passages |
• | Forward clutch piston retainer and ball assembly not seating |
• | Sealing balls loose or missing |
• | Input housing (621) cracked or broken |
|
Case (103)
| 3rd accumulator retainer and ball assembly not seating
|
2-4 Servo Assembly (13-28)
| 2nd apply piston seals missing, cut or damaged
|