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Thread: 2.7TDI Multitronic knocking noise during cold slight accelaration

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  1. 2.7TDI Multitronic knocking noise during cold slight accelaration 
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    Hello, recently a weird knocking noise started happening when the car is cold, it's only happening during acceleration when going above 50km/h, I have recorded a short video which clearly shows that rattling noise.



    I have looked around forums and found that this could be dual mass flywheel going bad? But there is no noise when the car is warmed up, as well as no noise when shutting off the car or starting the car. The other thing I have is that when the car is warmed up, I have a quite hard cabin vibration when standing still in D gear (all mounts were already changed).

    Does anyone have any tips? Suspension was checked recently and no faulty parts were found, even though CV joints are a bit worn, but these are still good according to the mechanic.
     
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  2. Re: 2.7TDI Multitronic knocking noise during cold slight accelaration 
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    Sounds too slow and more road speed related for either the DMF or the failure prone front crank pulley, more like inner CV joint.
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

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