NO.22 VIBRATION CONCERNS (ENGINE) [SKYACTIV-G 2.5T]

id0103q4802800

22

VIBRATION CONCERNS (ENGINE)
DESCRIPTION
•  Vibration from under bonnet or driveline.
POSSIBLE CAUSE
•  Loose attaching bolts or worn parts
•  Components malfunction such as worn parts

Diagnostic Procedure

STEP

INSPECTION

RESULTS

ACTION
1
VERIFY PART INSTALLATION CONDITION
•  Inspect the following components for loose attaching bolts or worn parts:
?  Cooling fan
?  Drive belt and pulley
?  Engine mounts
?  Exhaust system
•  Is there any malfunction?
Yes
Readjust installation position or retighten the suspect parts.
Repair or replace the malfunctioning part according to the inspection results for other parts.
No
Inspect the following systems:
•  Wheels
•  Transmission and mounts
•  Driveline
•  Suspension
•  Engine compartment
Repair or replace the malfunctioning part according to the inspection results.
2
Verify the test results.
•  If normal, return to the diagnostic index to service any additional symptoms.
•  If a malfunction remains, inspect the related Service 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, replace the PCM.