Going out to check now. Will let you know what I find out. Would a little movement in the tensioner be an issue?
2003 Deville. Was hoping my overheating problem might've helped him if I figured something out. But if I figure something out, I'll reach out to him just in case. I'm going to put a block test on it again to see what I find.Submariner409 said:The water pump drive belt tensioner should keep that belt tight and be absolutely quiet. No bouncing back and forth. BUT if the belt is intact and the water pump is turning that's probably not the problem - a frozen pump or tensioner pulley bearing would wreak havoc in less than 30 seconds. 20grand, You hijacked the OP's Eldorado thread. Your Deville - what year ? Post it and I'll move the replies to your post into a new thread.