No 3-4 Shift/Slipping or Rough 3-4 Shift
Checks
| Causes
|
Oil Pump Assembly (4)
|
• | Pump cover retainer and ball assembly omitted or damaged |
|
Valve Body Assembly (60)
|
- | 3-2 Shift solenoid valve assembly |
• | Spacer plate or gaskets incorrect, mispositioned or damaged |
|
2-4 Servo Assembly (13-28)
|
• | 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 (103)
|
• | 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 (621)
| Refer to
No 2-3 Shift or 2-3 Shift Slips, Rough or Hunting
.
|
2-4 Band Assembly (602)
| Worn or misassembled
|