NO.21 VIBRATION CONCERNS (ENGINE) [F2]

id010394851400

21

VIBRATION CONCERNS (ENGINE)
DESCRIPTION
•  Vibration from under 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 following components for loose attaching bolts or worn parts:
•  Cooling fan
•  Drive belt and pulleys
•  Engine mounting
All the items normal?
Yes
Inspect the following systems:
•  Wheels
•  Driveline
•  Suspension
No
Readjust or retighten engine mounting installation position.
Service if necessary for other parts.
2
•  Verify test results.
―  If normal, return to diagnostic index to service any additional symptoms.
―  If malfunction remains, inspect related Service Information and perform repair or diagnosis.
•  If vehicle is repaired, troubleshooting completed.
•  If vehicle is not repaired or additional diagnostic information is not available, replace the PCM.