NO.22 VIBRATION CONCERNS (ENGINE) [L3 R.H.D.]


id0103a4802800

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 the following components for loose installation bolts or worn parts:
• Cooling fan
• Drive belt and pulleys
• Generator
• Engine mounts
• Exhaust system mounts
Are all items normal?
Yes
Inspect the following systems:
• Wheels
• Driveline
• Suspension
No
Readjust or retighten the engine mount installation position.
Repair or replace if necessary any other parts.
2
Verify test results.
• If normal, return to the diagnostic index to service any additional symptoms.
• If any malfunction remains, inspect related service information, and 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.
(See PCM REMOVAL/INSTALLATION [L3].)