After reading this thread and figuring out that I had the same problem with my EGR cooler on my
2006 Jetta TDI, I decided to try my own fix.
I did not want to have the bushing made and then take everything apart by cutting and grinding, then having to weld or pinch things together. I am just a lazy a$$.
Like john_tsouris said in previous posts, he welded the shaft to body of cooler with the flap in about a halfway position to fix his EGR cooler; I figured that I could do it a little simply. The following is what I did……
Started with.... these from the local hardware store,
cost? about $5 and your time.
then I did this....the short bolt is the original bolt from the cooler, which is replaced with your modified longer bolt/spacer.
Doing this mod will leave the flap in a midway position, the pressure of the spring within the vacuum housing will hold the lever against your modified bolt. Like this....
I am showing this on a new cooler on the bench, because it is easier to take pictures, I suppose you could do this with the cooler still mounted to the car, but if your car is hissing then you may still have to use something like JB weld to help seal the leak. Oh yes don’t forget to disconnect the vacuum hose and PLUG it, I used the old short bolt I removed. GOOD LUCK!