NO.22 VIBRATION CONCERNS (ENGINE) [MZR 2.0 DISI]

NO.22 VIBRATION CONCERNS (ENGINE) [MZR 2.0 DISI]

id0103d5802800

22

VIBRATION CONCERNS (ENGINE)

DESCRIPTION

•  Vibration from under bonnet 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 • Condenser fan • Drive belt and pulley • Engine mounts • Exhaust system Is there any malfunction?	Yes	Readjust or retighten the suspect parts installation position. Repair or replace the malfunctioning part according to the inspection results for other parts.
1		No	Inspect the following systems: • Wheels • Transmission and mounts • Driveline • Suspension Repair or replace the malfunctioning part according to the inspection results.
2	Verify the test results. • If normal, return to the diagnostic index to service any additional symptoms. (See SYMPTOM DIAGNOSTIC INDEX [MZR 2.0 DISI].) • If a malfunction remains, inspect the related Service Information and perform the 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 [MZR 2.0 DISI].)