Those leaks on your VW... looks to be the expansion tank cap not functioning properly...
Cons: cap not functioning properly
Reviews of OEM Volkswagen expansion tank cap
PR Score
?
Shows the percentage of positive votes. Learn more in the help
4 votes
Average rating
?
The average rating is calculated only from review ratings, without votes
1 review
Description
Share:
Other expansion tank cap
Popular OEM Volkswagen parts
What we know about OEM Volkswagen expansion tank cap
The brand is registered in Germany. Official website: https://www.volkswagen.de/.
In March 2026, PartReview does not yet have a formed opinion of OEM Volkswagen expansion tank cap. You can help by adding a review for OEM Volkswagen expansion tank cap.
Currently there are 1 review and 4 votes. Average rating — 3 out of 5. Vote balance: 2 up, 2 down.
Users also evaluated the qualities of OEM Volkswagen expansion tank cap:
- Seal - no coolant smell or wetness around the tank cap - rated negatively. 1 point out of 5.
- Pressure release - short hiss after shutdown is normal and brief - rated negatively. 1 point out of 5.
- Temperature stability - gauge stays steady in traffic when the cap holds pressure - no rating yet
Expansion tank cap OEM Volkswagen in car-specific ratings
Unfortunately, there are no car-specific ratings for this part yet. You can help by adding a review and specifying your car.