Originally posted by 99blacksesport:
I need to know the steps to go through to change it. I also cant seem to figure out how to get the big nut loosened, the one that goes to some kink of steel tube towards the firewall.
This is what I did for my 1996 Contour SE...
- Remove the EVR (aka EGRVR=EGR vacuum regulator) to get at the IAC (intake air control). This is easy to remove since there are only two bolts. I didn't remove the vacuum hoses or electrical connector from the EVR, I just moved it out of the way.
- Remove IAC (intake air control) to get at EGR valve. Once again this is pretty easy to remove, just two bolts. You might want to clean it while it is off (I used electrical parts cleaner) and get a new IAC gasket for installation (they're only a dollar or so).
- I used a large adjustable wrench to loosen the large collar nut (the one that connects to the hose). You don't actually remove this nut, it just slides down that pipe that you saw. The only trick is to make sure that you are loosening and NOT tightening this bolt.
- Remove the vacuum hose and then the two bolts that hold the EGR valve on. You might also want to buy a new gasket for the EGR valve (also a dollar or so) for installation.
- Install the new valve and reverse the above procedure.
- The whole procedure shouldn't take more than an hour if you don't clean the IAC. Add some more time if you are.
I did this from memory, so please forgive me if I forgot something.