The coolant expansion tank in your vehicle gives additional fluid a place to go after expansion and contraction from temperature change. Because it is subjected to such drastic temperature changes on a regular basis, it can often crack or break. If your tank has experienced such damage you will need to replace it.
This Part Fits the Following Vehicles
|Audi||C6 A6||FWD||V6 3.2L|
|Audi||C6 A6||Quattro||V6 3.2L|