No 2-3 Shift or 2-3 Shift Slips, Rough or Hunting
WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
| 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
- Face not flat
- 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 |