No 3-4 Shift/Slipping or Rough 3-4 Shift
Checks
| Causes
|
Oil Pump Assembly
|
| • | Pump cover retainer and ball assembly omitted or damaged |
|
Valve Body Assembly
|
| - | 3-2 Shift solenoid valve assembly |
| • | Spacer plate or gaskets incorrect, mispositioned or damaged |
|
2-4 Servo Assembly
|
| • | Incorrect band apply pin |
| • | Missing or damaged servo seals |
| • | Porosity in piston, cover or case |
| • | Damaged piston seal grooves |
| • | Plugged or missing orifice cup plug |
|
Case
|
| • | 3rd Accumulator retainer and ball assembly leaking |
| • | Porosity in 3-4 accumulator piston or bore |
| • | 3-4 Accumulator piston seal or seal grooves damaged |
| • | Plugged or missing orifice cup plug |
|
Input Housing Assembly
| Refer to
No 2-3 Shift or 2-3 Shift Slips, Rough or Hunting
.
|
2-4 Band Assembly
| Worn or misassembled
|
