No 2-3 Shift or 2-3 Shift slipping, Rough or Hunting
Checks
| Causes
|
Oil Pump
| Stator shaft bushings scored
or off location
|
Valve Body Assembly
|
| • | 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
|
| • | 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
| 3rd accumulator
retainer and ball assembly not seating
|
2-4 Servo Assembly
| 2nd apply piston seals missing, cut or damaged
|
