GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 DeVille 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Vibration Diagnosis

Checks

Causes

Case Extension

Axle support bushing worn

Engine and/or Transmission Mounts
    • Weak
    • Misaligned
    • Oil damage
    • Physical damage

Output Shaft

Out of balance

Torque Converter
    • Out of balance
    • Internal failure

Transmission/Engine

Misaligned

Turbine Shaft

Worn bushing