Originally Posted by waldig
Your high, When you flush use like prestone and drain it into a clean rag to record the material that comes out. I was suprised and looking for conformation that others have the same gunk....
This is good advice that I'll need to take soon. When I replaced my intercooler pump back in the summer, there was a greyish paste-like substance caked on the pump impeller. If it was there, there's no telling how much is in in the HE and intercooler itself.