Probably a longshot but can anyone identify where this 10 mm nut could be from? It was in the undertray when I removed it to change oil. Smooth back, no serations. Can't find any thing loose or obvious spot for it. Could have flicked up off the road but very clean.
2011 Golf 6 TDI 103 Second Gen Common Rail.
Last edited by carpy; 10-02-2021 at 03:24 PM.
Found where it was from, fuel filter housing. Don't know how it vibrated off, maybe loose from factory. There are 2 x 10 mm bolts and this nut goes on a captive stud.
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