NO.22 VIBRATION CONCERNS (ENGINE) [LF, L3]

id0103008028b2

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 installation bolts or worn parts:
• Cooling fan
• Condenser fan
• Drive belt and pulleys
• Engine mounts
All items normal?
Yes
Inspect the following systems:
• Wheels
• ATX
• Driveline
• Suspension
No
Readjust or retighten engine mount installation position.
Service if necessary for other parts.
2
Verify the test results.
• If normal, return to the diagnostic index to service any additional symptoms.
• If the malfunction remains, replace the PCM.