GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1997 🢒 Century 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T60-E 🢒 Shudder 1-2 Shift

1-2 Shift Shudder

Checks

Cause

Second Clutch
    • Worn fiber plates
    • Leaking check valve ball
    • Cut seal
    • Damaged steel plates
    • Mispositioned snap ring

Driven Sprocket Support
    • Damaged seal rings
    • Refer to Causes of Low Oil Pressure