What is this called...

[a3emma]

As title .. its the thing in the white circle ive tried doing some reasearch but cant find out. thank you

 

[SteveBAM]

it might help if you didn't have the white area of the circle that big(thinner circle) so we can see better what exactly that is....:icon_thumright:

 

[Westy]

Is it the Air Conditioning top up valve?

 

[SteveBAM]

Is it the Air Conditioning top up valve?

i was just about to write that..!!!:icon_thumright:

 

[Lemon S3]

Is it the Air Conditioning top up valve?

That's what I was thinking, if it has air con?

 

[Lemon S3]

Why do you want to know anyway? Has it broken or are you curious or just bored lol.

 

[a3emma]

Thanks for your help :icon_thumright:
yeah it has got air con, we where thinking it was more some sort of a shock absorber?, cause it is rattaling a bit when the car is started. i have a number off it but i have searched about and had no luck its- 038 155 284. dont no if this is any help to anybody?

 

[a3emma]

here is a pic with a smaller circle!

 

[mk1chopper]

www.vagcat.com online catalog might be of some use

 

[sulaiman]

cam belt tensioner

 

[Imteyaz]

As poster above^^ it's a cam belt tensioner.

 

[Y83OLK]

Erm... Try the aux belt tensioner...

 

[a3emma]

thank you all very much for your help!
its the aux belt damper/tensioner