Strange ticking sound. No codes. Could be the exhaust manifold.

Strange ticking sound. No codes. You think your chances of finding this one quickly are shot. If your Volvo 5-cylinder's sound matches this video, chances are it's a leak. In this case, it was a lost exhaust manifold bolt and slipped gasket. Take a listen...

MVS Contributor Rattnalle shows us how to diagnose an exhaust manifold problem. In this case, it was a lost bolt and slipped exhaust manifold gasket. Very helpful video!

Last autumn I had a weird ticking sound coming from the car. No other symptoms. Drove well. No codes. Eventually I put my hand behind the engine by chance and felt puffs of warm air.

Turned out one bolt from the manifold had fallen out and one of the gaskets was sitting slightly off. A new bolt later everything was fine.

So if you’re hearing the below sound, check the exhaust.

Strange ticking sound. No codes.

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