GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1997 🢒 Century 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T60-E 🢒 Harsh or Soft 2-3/3-2 Shift Feel

2-3 Shift Feel - Harsh or Soft

Checks

Cause

Possible Diagnostic trouble code set

Refer to Causes of High or Low Oil Pressure

#4 Checkball

Mislocated for a soft shift

#9 Checkball

Mislocated for a harsh shift

2-3 Accumulator Piston, Gaskets, and Seals
    • Missing springs
    • Cut seal
    • Damaged gaskets
    • Low torque of bolts

Control Valve Assembly

Missing #9 checkball

2-3 Accumulator Valve

Stuck valve

Control Valve Assembly

Missing #9 checkball

2-3 Accumulator Valve

Stuck valve