7B
A large rattling noise is heard at idle or sudden acceleration
There are various types of noise, ranging from those produced in the engine compartment to those from the passenger compartment, also from rumbling noises to whistling noises.
Abnormal Noise from Crankshaft Pulley
Condition Possible Cause Action
A large rattling noise is heard at idle or sudden acceleration
Loosen crankshaft pulley bolt
Retighten bolt.