seanodwyer Posted August 12, 2015 Posted August 12, 2015 Has anyone come across this issue. My 2010 C5 1.6d emits a grinding noise which seems to be coming through the air vents in the cabin. The grinding only happens on engine startup and stops after a second. Thanks Sean Quote
seanodwyer Posted August 13, 2015 Author Posted August 13, 2015 Quick update. I've been doing some experimentation to try and track this noise down and it looks like it is only there when the AC is switched on. Quote
coastline taxis Posted August 14, 2015 Posted August 14, 2015 Please keep us informed on this as it looks like a problem that hasnt been discussed before Quote
Manthony.h Posted September 22, 2015 Posted September 22, 2015 I have got the same problem on my 2008 C5 Mk3. Sounds like some sort of air flap is being opened at startup with a noisy gear drive. The noise comes from somewhere behind the drivers side dash. Quote
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