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

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

B3E010318881W55

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.
(See ENGINE SYMPTOM TROUBLESHOOTING [ZJ, Z6].)
• 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.
  (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [ZJ, Z6].)