The Little Vacuum Filter

[abbey castro]

So this is what the inside of the in-line filter for vacuum that controls the air vents. It is really a check valve.

 

[78Delta88]

Interesting. Thanks for posting.

When ever I do a car or part one out, I always save stuff like this.

Never know when you need one of these little beasties.

 

[airboatgreg]

Check valve for AC the holds vacuum for a short time to keep air coming out of vents and not switching to defrost on low vacuum times like lo0ng steep hills and WOT