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NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING EM-9 < SYMPTOM DIAGNOSIS > C D E F G H I J K L M A EM N P O A: Closely related B: Related C: Sometimes related —: Not related Front of Squeak- A B — B — B Drive belts Drive belts deflection Creaking A B A B A B Drive belts Idler pulley bearing op- Squall A B — B A B Water Water pump operation Rattle — — A — — — VTC VTC sprockets Location of noise Type of noise Operating condition of engine Source of noise Check item Refer- ence page Before warm- up After warm- up When start- ing When idling When racing While driving |