Having problems with your 2004 Mazda 6 ?

Started out a quiet hum under car now it's getting louder like a small motorcycle

Posted / edited by AnonymousUser on : 16-04-2018

Answers :

Your most likely solution will be to check the exhaust system for leaks, especially near any of the joints.

The job only takes a few minutes, and leaks can usually be isolated to a specific area without ever getting under the vehicle.

While the engine is running, leave the vehicle in Park or set the Parking Brake. Exit the vehicle and listen closely for an area about the middle of the vehicle where the noise is louder and more pronounced.

That will be the area to check if you intend to get under the vehicle to inspect the exhaust yourself, or the area you suggest to the mechanic to check.
Repair Help & Product Troubleshooting for 2004 Mazda 6

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