When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
OK, so I replaced 7 out of 8 glow plugs, but the 8th broke and the heating element is still stuck in the head. I submerged it in degreaser and tried pulling it with long needle nose vise grips, but it won't budge. If anyone knows a trick or some type of tool to remove it, please advise. Otherwise I guess I'm going to have to pull the head. What is involved - is it difficult or tricky? It is the driver side. I've only done a head on a 71 Triumph Spitfire and it is a different animal. Any special tools required? Can anyone provide torque specs, howto, etc? Thanks. 97 F450 5 speed.
there alway has to be one. If I was you I would soak it with some kind penetration lubricant for a day. and try to work out. I heard some people start eng. and try to below it out with compression. but there are a lot of smart people here. so see what they say.before you pull cly head. good luck!!
I see that you live in FL. If you don't have any luck with the penetrating oil. You can get away with 7 new GP's and leave the 8th alone IMO. It's alot of work getting a head off, as you probably already figured out. Even in cold climates these diesels will start with 7 good GP's. Just takes a little longer and that cylinder will miss-fire for 20-30 seconds and then clean up.
If you decide to remove the head PM your email address to me and I'll send the info you need.
IMPORTANT: If you decide to leave it in, before you close up the engine, (with the valve cover off) REMOVE YOUR HOOD. I was helping a guy at his shop with a stuck glow plug, we had it so that it would wiggle, but not move in or out. He said he was going to start the engine and see if that would blow it out.
Here is the IMPORTANT part, as I walked to the tool box to get wrenches to take the hood off, he jumps in the truck and fires it up. ****OH YEA, did that glow plug come out, right through the hood, and bounced off of the shop wall. Guess who had to buy a new hood for his customers truck, NOT ME!!!!!!
I have seen others that would not come out while running, and have been in for several years. So... If your going to leave it in, take off the hood, crank it up, run the rpm's up, and if it does not come out, put everything back together. Don't forget to cap off the glow plug wire. Good Luck
I've heard some say they were able to drive the tip down into the combustion chamber. Then fish it out through the injector hole. Not something I've had to do myself tho. I'd be nervous leaving it in the head. If it came out later into the engine it could do some damage.
I've heard some say they were able to drive the tip down into the combustion chamber. Then fish it out through the injector hole. Not something I've had to do myself tho. I'd be nervous leaving it in the head. If it came out later into the engine it could do some damage.
It can, and HAS done damage to many from what I understand!
We removed the hood and fired it up. It simply spit exhaust out around the glow plug element. It did not come out. We can wiggle it around but cannot pull it out. We're trying to summon a diesel mechanic (a friend of a friend) to see what he can do. If he can't retract it I guess I'll have him pull the head to get it out - I really don't want to tackle the head myself. Anyone have any other ideas?
If you're down to pulling the head, try driving it into the combustion chamber and see if you can fish it out thru the Injector hole (or maybe exhaust?).
if you can get a hold of it to wiggle it, can you twist it like unscrewing it. Eventually you are going to wear away the carbon that is keeping it in, may take a while but not as long as pulling the head, I agree with joat, also if you are going to pull the head, first try and fish it through the injector hole.
if you can get a hold of it to wiggle it, can you twist it like unscrewing it. Eventually you are going to wear away the carbon that is keeping it in, may take a while but not as long as pulling the head, I agree with joat, also if you are going to pull the head, first try and fish it through the injector hole.
I 100% agree with this.
If you can move it that means there is a way for some Free-All to work it's way down there and dissolve the carbon. Keep at it, don't force it, but let the movement and the penetrant do it's work. Patience will reward you.
Thanks all for the encouragement. Removing the head is my last resort, so tomorrow I will try again to twist it or drive it down. There isn't much room to get the long needle nose vise-grips between the head wall, the pushrod, and injector assembly but I don't want to remove the rockers/pushrod either. The heating element is so thin it is difficult to grab ahold of.
I saw another thread suggesting welding a nut onto the element and then using a socket to twist it out. I'm considering it too.
I'm curious if it's a carbon buildup issues or a swelled tip. Did you inspect the other tips to see if they are swollen? A common problem for some GP's but I don't hear of it much on the power strokes.
The other GPs were not warped but a couple were corroded quite a bit and the rest were fine. I used carb cleaner in a spray can; I haven't tried the "dip in" gallon can stuff - I don't know if it is any better?
JOAT - off topic a bit, but do you still run WVO? I do in my MB 300D.
This thing is NOT coming out. We've tried dissolvents, pulling, pushing, rotating, revolving. Now we're going to rent a MIG tomorrow and weld a nut, perhaps an extension so we have more options for "grabbing" it and pulling it.