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6.5 W/Broken Glowplug

Remove the manifold
Remove the injector
stuff a single piece of lightly oil soaked cloth into the precup under the plug to cap off the port.

Drive the plug back into the cup using a small punch and a hammer.

Fish out the broken crap with a magnet,
Carefully remove the cloth.
Reassemble
Good to go.

Been there done that.


Missy
 
Missy Good Wench said:
Remove the manifold
Remove the injector
stuff a single piece of lightly oil soaked cloth into the precup under the plug to cap off the port.

Drive the plug back into the cup using a small punch and a hammer.

Fish out the broken crap with a magnet,
Carefully remove the cloth.
Reassemble
Good to go.

Been there done that.


Missy
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You can't get the plug's body minus the hex out that way.
 
Here are pix of the glowplug. You can see it wet with PB blaster, and the hole drilled to attempt with the ez-out
 

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You can drill a good 3/8 to 1/2 inch into the old plug. Get a nice all in one drill/extractor like the one below. Or borrow one. :smile5: You definately don't want the 'heater' part dropping into the cup or combustion chamber. TDC on that cylinder.

Use a stiff wire brush on a drill to get the rust away.

Get more aggressive with the heat (oxy-acetelyne) then after heated jab some candle wax into it.

Best of luck.
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17735.JPG
 
I'd weld a nut to the remaining piece of glow plug. The weld won't stick to the cast iron head. I do it all the time on exhaust manifold bolts. It some times takes several attempts. The heat from the welding helps loosen.
 
OK

I thought that just the heating element part was busted off.

That sucker is gonna take some serious work.

I would seriously- think about going at it this way. Remove the manifold, clean the area up well with a rotary wire cup brush (Little one) . Using a drill bit thats just the size of the glow plug after the threads..

Carefully drill through the outer part of the plug.

Once you get through the entire plug, be careful not to go too deep and screw up the taper seat in the head.

Now remove the injector and plug the cup port as I wrote earlier and then drive the piece through.

Clean out the thread with a tap of the proper size and thread pitch. Blow the junk from the hole from the injector side (Inside to outside)

Wash the thing out with some brakeKleen and blow dry.

Test the new glow plug for fit and you should be good to go.

***** POSSIBLY*****
Once you drill through the threaded part of the plug you may be able to work the plug back out of the hole by prying on whats left in the precup.

This is not an insurmountable obstacle but will take a little finesse to get it out.

Possibly with all the rust you may be able to do this without taking the manifold off.

Damn, I have never seen an engine with that much rust.

Missy
 
You know, I hate to say this but if it's not leaking compression, I'd change the other 7 and see how it starts. My 2000 had a broken glow pulg wire for probably a year before I happended to see it working on something else. It always started fine.
 
Acesneights1 said:
You know, I hate to say this but if it's not leaking compression, I'd change the other 7 and see how it starts. My 2000 had a broken glow pulg wire for probably a year before I happended to see it working on something else. It always started fine.
Click to expand...
X2,i its the only one i would leave that sucker sit till the time the head has to come off for some other reason.
 
These things will start fine with as few as 4 glow plugs as long as there are two on each side. A tad smokey but having only one bad one is not even an issue.

I agree, leave it alone.

Missy
 
Wow, this manifold and head look beutiful compared to my pass side.

Its amazing how a plow 'atomizes' salt mist and it goes EVERYWHERE.............

I think the warm manifold/exhaust lets the small salt mist in its 'pores' when its hot, then as it cools it absorbs the salt.

Exhaust parts in my neck of the woods NEVER come apart without torch. Take a manifold off with a ratchet? Not even a chance.
 
New England ....They pound the roads with salt. I just finished cutting the entire floor out of my 93 Ford LN8000. The chassis looks like it's bleeding rust.
 
Acesneights1 said:
New England ....They pound the roads with salt. I just finished cutting the entire floor out of my 93 Ford LN8000. The chassis looks like it's bleeding rust.
Click to expand...

lol, I use to have an 87 Ford L8000 I had to brace the floor with plywood or the acc pedal would go through it! LOl
 
Ahhh, this brings up memories. I broke the front passenger side glow plug off flush with the block. Tried all the 'tricks' I knew, heat and cool, candle wax, soak with penetrating oils known to man, weld a nut on, weld a bolt on (that didn't stick well because the glow plug was stainless, IIRC) I pulled the manifold so I could get at it without stuff being in the way. I punched the core in with a punch, then drilled in 3/8 to 1/2" with a left hand drill bit. I think I started with 1/4", then 5/16", then 3/8". Just as I was about to quit, the plug caught and spun out clean on the drill bit, and the whole core was still attached to the glow plug. The new glowplug threaded in by hand!
 
fastjohnny said:
Ahhh, this brings up memories. I broke the front passenger side glow plug off flush with the block. Tried all the 'tricks' I knew, heat and cool, candle wax, soak with penetrating oils known to man, weld a nut on, weld a bolt on (that didn't stick well because the glow plug was stainless, IIRC) I pulled the manifold so I could get at it without stuff being in the way. I punched the core in with a punch, then drilled in 3/8 to 1/2" with a left hand drill bit. I think I started with 1/4", then 5/16", then 3/8". Just as I was about to quit, the plug caught and spun out clean on the drill bit, and the whole core was still attached to the glow plug. The new glowplug threaded in by hand!
Click to expand...

Where do you live? Salt belt?
 
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