Blog, Car Repair and Servicing, Case Studies, Volkswagen Case Studies Volkswagen Case Study 68: Passat Knocking sound issue Posted on July 26, 2022July 26, 2022 by admin 26 Jul What could be the clause of the knocking sound during driving? What’s that strange knocking sound from under the car coupled with engine overheating? The first thing Mr. Tan thought of is to visit Revol Carz Garage and seek our V.W Specialist for assistance. Our Volkswagen Specialists rolled up their sleeves and eager to get into the bottom of the issues. The Lower Arm Bushings are not spared the wear and tear too. They must be replaced as cracked. As for the knocking sound, our VW Team knows where to look for the culprits. The Front Lower Arm Bushings have worn out. Putting our customer’s safety is top priority. We will also inspect all other wear-and-tear parts after the main issues are resolved. Recommended to replace the clogged engine Air Filter. The soiled Cabin Filter was replaced with original part; As a token of our appreciation, the Volkswagen Passat was given a glistening touch with premium car-wash and interior detailing before handing her back to the happy customer. It’s a full packed Tuesday with these precious cars! A Wellness Wednesday And Give Your Car A Royal Pampering With A Zetough Paint Protection!