NO.17 VIBRATION CONCERNS (ENGINE) [WL-3]


id0103b5913700

17
Vibration concerns (engine)
DESCRIPTION
•  Vibration from under the hood or driveline
POSSIBLE CAUSE
•  Loose attaching bolts or worn parts
•  Component malfunction such as worn parts

Diagnostic procedure

STEP

INSPECTION

ACTION

1
•  Inspect the following components for loose attaching bolts or worn parts:
―  Cooling fan
―  Drive belt and pulley
―  Engine mounts
―  Exhaust system
•  Are all items normal?
Yes
Inspect the following systems:
•  Wheels
•  Transmission and amounts
•  Driveline
•  Suspension
Service if necessary.
No
Readjust or retighten engine mount installation position.
Service if necessary for other parts.
2
•  Verify the test results. If normal, return to the diagnostic index to service any additional symptoms.