Knocking sound

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Old 03-17-2013, 08:56 AM
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Default Knocking sound

Yesterday my car was running just fine but after I left a red light this knocking sounds started happening. It only happens when I accelerate. The car is giving no codes and no sensors are going off. I looked under the hood and the sound seems to be coming from the turbo, not the head or chain tensioner. Plus when I popped the hood, the turbo and exhaust manifold were red hot!! I'm also getting very little boost. The car is stock except for a k04 turbo, air intake and exhaust. (Aeb head). Btw the turbo was purchased last summer and its under a year old. Any replies would help. Thanks!!

05 b6 74k miles aeb head

Last edited by alex.syed; 03-17-2013 at 09:02 AM.
Old 03-17-2013, 09:00 AM
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My car sounds like a ****ing civic when I accelerate.maybe a bad cat or something?
Old 03-17-2013, 12:47 PM
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Originally Posted by alex.syed
Yesterday my car was running just fine but after I left a red light this knocking sounds started happening. It only happens when I accelerate. The car is giving no codes and no sensors are going off. I looked under the hood and the sound seems to be coming from the turbo, not the head or chain tensioner. Plus when I popped the hood, the turbo and exhaust manifold were red hot!! I'm also getting very little boost. The car is stock except for a k04 turbo, air intake and exhaust. (Aeb head). Btw the turbo was purchased last summer and its under a year old. Any replies would help. Thanks!!

05 b6 74k miles aeb head
Lol well sorry guys it turned out that the three bolts that hold the turbo to the manifold were loose..idk how it happened but the
Car is running good again. I think I'll use some lock tight this time
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