Answer

here is a list of possible causes. good luck. i hope i helped and please accept my answer. thanks T-MAN

 

No 3-4 Shift, Slips or Rough 3-4 Shift

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 • Faces not flat
Valve Body Assembly (60)	• Valves stuck - 2-3 Shift valve train - Accumulator valve - 1-2 Shift valve train - 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 • Restricted oil passage
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

Expert:	Triston
Pos. Feedback:	95.9 %
Accepts:
Answered:	10/6/2008

MASTER ASE CERTIFIED

10 YRS. EXP. ASE CERTIFIED SPECIALIZE IN ALL ELECTRICAL AND A/C ALSO AND ENGINE PERFORMANCE