Engine Idle Vibration

Engine idle vibration

Diagnostic Procedure:

1. Low ATF level

2. Engine output low

3. Torque converter clutch piston defective

Also check for:

- Adjust the engine and transmission mounts.
- Check the ATF level and check the ATF cooler lines for leakage and loose connections. If necessary, clean the ATF cooler lines.
- Replace the torque converter.