NO.22 VIBRATION CONCERNS (ENGINE) [L8, LF, L5]

NO.22 VIBRATION CONCERNS (ENGINE) [L8, LF, L5]

id010346802800

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 • Drive belt and pulleys • Generator • Engine mounts • Exhaust system mounts All items normal?	Yes	Inspect the following systems: • Wheels • ATX • MTX • Driveline • Suspension
1		No	Readjust or retighten 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. (See SYMPTOM DIAGNOSTIC INDEX [L8, LF, L5].) ― If the malfunction remains, inspect the related Service Information and perform 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 [L8, LF, L5].)