Engine undertray fasteners

**SebRogers** · 21-02-2009,05:42 PM

Two of the fasteners attaching the engine undertray on my B6 Avant have disappeared. They're the ones holding the small deflector that sits ahead of the offside front wheel, causing it to droop and giving the whole tray a lopsided sag on that side.

Does anyone know the relevant part number, by any chance?

I'm contemplating a temporary ziptie bodge of some kind, but it'd be nice to get it properly sorted. My old Octy developed a saggy undertray which grounded more and more frequently, resulting in its eventual disintegration. I'd like to avoid that, if possible...

**spartacus 68** · 22-02-2009,11:52 AM

Not unusual for the fastners to vibrate themselves free. I started using nylon zip-ties. They're very strong and if you're servicing the car yourself, you simply cut and replace them.

**randall977** · 22-02-2009,03:32 PM

Yes about 4 of mine have disappeared - I asked the garage to replace them on Friday - must look to see if they have. Tried to find the part number but failed, you may need to phone Audi...can you post the number when you have!

**SebRogers** · 22-02-2009,07:52 PM

Zipties sound like a great solution... except having had a closer look I can't see how to make them work in this case. For each missing fastener there's essentially a single hole. A ziptie needs an entry and an exit hole to make a loop... unless I'm missing something blindingly obvious

**SebRogers** · 22-02-2009,07:54 PM

Originally Posted by randall977

Yes about 4 of mine have disappeared - I asked the garage to replace them on Friday - must look to see if they have. Tried to find the part number but failed, you may need to phone Audi...can you post the number when you have!

I'll let you know if I find the answer!