NO.22 VIBRATION CONCERNS (ENGINE) [L3 Turbo]


id0103b4802800

22

VIBRATION CONCERNS (ENGINE)

DESCRIPTION

• Vibration from under the hood or driveline

POSSIBLE CAUSE

• Loose attaching bolts or worn parts
• Components malfunction such as worn parts

Diagnostic procedure

STEP

INSPECTION

RESULTS

ACTION

1
Inspect the following components for loose attaching bolts or worn parts:
• Cooling fan
• Condenser fan
• Drive belt and pulley
• Engine mounts
• Exhaust system
Are all items normal?
Yes
Inspect the following systems:
• Wheels
• Transmission and mounts
• Driveline
• Suspension
Service if necessary.
No
Readjust or retighten suspect parts installation position.
Service if necessary for other parts.
2
Verify test results.
• If normal, return to the diagnostic index to service any additional symptoms.
• If a malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform the repair or diagnosis.
- If the vehicle is repaired, troubleshooting is completed.
- If the vehicle is not repaired or additional diagnostic information is not available, reprogram the PCM if a later calibration is available. Retest.