tgams
Active Member
So I've read all the horror stories about various model expeditions and spark plugs. Mine's a 2011 5.4l. A couple weeks ago I had a coolant leak at the tee above the passenger side head...so while I had the hoses out of the way (I went ahead and replaced both) I decided to take the coils out and wipe coolant off and blow out the holes around the plugs.. Down that far, I figured it might be a good idea to pull a plug to see how worn it looked. Well, I was using a 12" socket wrench, and i'm not a big guy, but I was thinking it might break, I was going to put a breaker bar on it, and decided not to..didn't want to break it in half..should I try an impact on it when I decide to finally do a tune up? Or should I use a breaker bar? Was thinking maybe spray some kroil down there and let it sit overnight when I do it. Any advice is sincerely appreciated.