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2008 - MX-5 - Engine

NO.22 VIBRATION CONCERNS (ENGINE) [LF]



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 attaching bolts or worn parts:

  • Cooling fan

  • Drive belt and pulleys

  • Generator

  • Engine mounts

  • Exhaust system mounts

All items normal?

Yes

Inspect the following systems:

  • Wheels

  • AT

  • Driveline

  • Suspension

No

Readjust or retighten engine mount installation position.

Service if necessary for other parts.

2

  • Verify test results.

    • If normal, return to diagnostic index to service any additional symptoms.

      (See SYMPTOM DIAGNOSTIC INDEX [LF].)

    • If malfunction remains, inspect related Service Bulletins and/or On-line Repair 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 the PCM.

        (See PCM REMOVAL/INSTALLATION [LF].)




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