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StefKrau

Seeking Advice on Troubleshooting Loud Noise and Heavy Exhaust Sound in 2015 VW Phaeton, Possible Exhaust Flap Issue

Loud exhaust

Loud engine when cold

Hey everyone, I need some help with my 2015 VW Phaeton. Lately, it's been making a loud noise when cold and the exhaust sound is pretty heavy too. I kinda think the exhaust flap could be acting up. Has anyone else experienced this before? Would appreciate some advice on how to troubleshoot this problem. Also, it'd be great to hear about your experiences with similar issues and what your local workshop did to fix it. Cheers!

4 comment(s)


BWeber86

Hey there! I've had some experience with my own 2013 VW Passat having a similar exhaust issue. I'd classify my car expertise as low, but learnt a bit through this. Just like yours, my exhaust would get particularly loud when the engine was cold. It turned out, the exhaust flap was defective. I took it to my local workshop and the mechanic explained that when the exhaust flap malfunctions, it doesn't control the vehicle's noise emissions effectively. It cost me about 190 Euro to get it fixed. Since our vehicles are similar, it might be the same problem you're facing. However, to give you further help, can you share more about the condition of your vehicle? The exact mileage and state of your exhaust system will give a clearer picture. Thanks, and hang in there!

StefKrau (Author)

Hi, thanks for getting back to me! Glad to hear I'm not alone in this. Your experience does give me a clearer idea of what could be going wrong. Just to update you, my Phaeton's currently on 56981 KM, last service was not too long ago. I keep it well maintained, but this exhaust issue just popped up recently. I am starting to suspect it could be a defective exhaust flap too, given that our cars share a lot of similarities. Let's see how it goes. I'll head down to my local workshop with this information soon. I appreciate your help and I'll keep you posted. Fingers crossed it won't cost more than what you had to pay! Thanks again!

BWeber86

Hey, glad my previous response was of some help to you! It seems that your VW Phaeton is in good hands with regular maintenance. However, as you said, some issues are unanticipated, just like the exhaust problem you're currently facing. Given the mileage and good condition, your hunch might be right, it could very well be the exhaust flap that's causing this trouble. You're not the first one with this issue, and probably won't be the last. These machines can be unpredictable sometimes, eh? I completely understand the pain of unexpected expenses, trust me. Hopefully, your local workshop will do a good job and it won't turn out to cost more. Do keep me updated on what your mechanic says. I've got my fingers crossed for you! Let's hope this gets resolved soon without burning a hole in your pocket. Keep rolling!

StefKrau (Author)

You're on the money! That's exactly what was wrong with it. The mechanic confirmed that the exhaust flap was defective, just like you thought. The repair didn't cost as much as expected, actually came in a bit under the price you paid, which was a pleasant surprise. Up and running now with no more crazy sounds from the exhaust. Really appreciate your advice and support. Just goes to show, it always helps to talk things out before rushing in. Cheers!

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