NO.22 VIBRATION CONCERNS (ENGINE) [ZJ, ZY, Z6]


id0103b1802800

22

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
•  Generator
•  Drive belt and pulleys
•  Exhaust system mounting
•  Engine mounting
All the items normal?
Yes
Inspect the following systems:
•  Wheels
•  ATX
•  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 perform repair or diagnosis.
―  If vehicle repaired, troubleshooting completed.
―  If vehicle not repaired or additional diagnostic information not available, replace PCM.