Desert Diesel Dog
Registered User
Hi All…
Problem; [Champion] Glow Plug breaks loose but freezes [real firm] at less than a quarter turn out. I am imagining a lot of carbon built up on the tip… right up to the cast iron head.
I have read many threads on this basic problem… but… I just don’t see this plug loosening even with many cycles back and forth.
The specific question… Can anyone recommend anything that is highly effective at eating carbon buildup in a situation like this? …but won’t eat a hole in my piston etc.? I believe only a drop or two could ever drip down to the tip when it would have so far to go down the threads.
History; I successfully removed the seven other Champion plugs and replaced them with Motorcraft zd9’s. Most came out without too much trouble… only a couple were a little stubborn. I Sure Wish I could get this last plug out before it causes me any more problems. I doubt that this situation will ever get any better on its own. The plug does test good but who really knows. Maybe I will just have to live with it until the next teardown. Yikes !! can’t afford that.
What… Am… I… Gonna… Do ??
Please Tell Me If You Know Of Something That REALLY Eats Carbon fast !!
Also… just need to mention this. I broke a tip off of a bad plug [on the bench] just to see what I would be up against if I broke one in the engine. I determined that it is a Very Tough piece of metal and that I Would NEVER Leave It In A Cylinder And Start The Engine !!!!
Thanks for reading this far!
Problem; [Champion] Glow Plug breaks loose but freezes [real firm] at less than a quarter turn out. I am imagining a lot of carbon built up on the tip… right up to the cast iron head.
I have read many threads on this basic problem… but… I just don’t see this plug loosening even with many cycles back and forth.
The specific question… Can anyone recommend anything that is highly effective at eating carbon buildup in a situation like this? …but won’t eat a hole in my piston etc.? I believe only a drop or two could ever drip down to the tip when it would have so far to go down the threads.
History; I successfully removed the seven other Champion plugs and replaced them with Motorcraft zd9’s. Most came out without too much trouble… only a couple were a little stubborn. I Sure Wish I could get this last plug out before it causes me any more problems. I doubt that this situation will ever get any better on its own. The plug does test good but who really knows. Maybe I will just have to live with it until the next teardown. Yikes !! can’t afford that.
What… Am… I… Gonna… Do ??
Please Tell Me If You Know Of Something That REALLY Eats Carbon fast !!
Also… just need to mention this. I broke a tip off of a bad plug [on the bench] just to see what I would be up against if I broke one in the engine. I determined that it is a Very Tough piece of metal and that I Would NEVER Leave It In A Cylinder And Start The Engine !!!!
Thanks for reading this far!