NO.22 VIBRATION CONCERNS (ENGINE) [AJ (3.0L Duratec)]


id0103a7802800

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
- Drive belt and pulleys
- Engine mounts
- Exhaust system mounts
• All items okay?
Yes
Inspect following systems:
• Wheels
• ATX
• Driveline
• Suspension
No
Readjust or retighten engine mount installation position.
Service as necessary for other parts.
2
• Verify test results.
- If okay, 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 PCM.