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.