Autodata Technical Issue 55 – Knocking noise when closing door of 2011 Volkswagen Polo

Each month the Autodata team answers a common technical question and provides a printable document with technical diagrams to download and keep, exclusively for IGA members.

Q. A customer’s 2011 3 door Volkswagen Polo is making a knocking noise when closing the driver’s door. We have removed the door trim panel and checked for anything that may be adrift but nothing seems to be out of position. Can you help? 

A. The knocking noise you describe has been reported to us before on 3 door Polo models 2009-12 (VIN up to 186061) with electric windows. The noise is due to the window winder mechanism drive cable knocking against the inside of the door upon closing. Remove the door trim panel. Use a 6,5 mm drill to make a hole in the door positioned as shown (fig. 1.1). 

 Secure the window winder mechanism drive cable to the inside of the door with a cable tie. Ensure cable tie is not too tight. Refit the door trim panel. Operate the door to ensure the fault has been rectified. Repeat the procedure for the opposite side.

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