NO.22 VIBRATION CONCERNS (ENGINE)


22	VIBRATION CONCERNS (ENGINE)
DESCRIPTION	• Vibration from under hood or driveline
POSSIBLE CAUSE	• Loose installation bolts or worn parts • Components malfunction such as worn parts


STEP	INSPECTION	RESULTS	ACTION
1	Inspect the following components for loose installation bolts or worn parts: • Cooling fan No.1 • Cooling fan No.2 • Drive belt and pulleys • Engine mounts Are all the items normal?	Yes	Inspect the following systems: • Wheels • AT • Driveline • Suspension
1		No	Readjust or retighten the engine mount installation position. Service if necessary for other parts.
2	Verify test results. • If normal, return to the diagnostic index to service any additional symptoms. • If the malfunction remains, inspect the related Service Information and perform the repair or diagnosis.