Broke off Plug in head
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Broke off Plug in head
I recently purchased a 1987 Ford F-250 5.8L 4x4 for my winter car here in Minnesota. Doing some basic routine mantainence I somehow managed to brake of the spark plug in the head leaving only the threads still attached. It is the first plug on the left side right behind the annoying smog pumps. What is the best way to extract this from the cylinder head?? I have been told to use an easy out buy I am worried about loosing the electrode in the cylinder causing even more work to get that out. Any help would be greatly appreciated!!
Lead Driver
Joined: Feb 2003
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From: Oak Harbor, OH
I would pull the head. It should be a carb not EFI in 87, and being an 87 it probably wouldn't hurt to do all the gaskets anyway. Also you can clean the heads up good while they're off. You could do the whole job in a weekend.
Elder User
Joined: Dec 2002
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From: Monterey bay area
There re chasers that are made for exactly this type of incident....
first thing I would do is to pull all plugs and turn the engine until the #1 piston is at TDC....(incase anything falls in you won't score the bores moving the piston up to vacuum the particles out through the plug hole)
tap the chaser onto the interior of the plug threads and use an extension and ratchet to turn the thread basket.....it should come out with the electrode attached....then run a vacuum cleaner nozzle into the plug hole....to suck any particulates out...
reinstall all new plugs after gapping them and go!
If you are past this point and have already dropped stuff into the cylnder
with the piston down...remove head and clean...
first thing I would do is to pull all plugs and turn the engine until the #1 piston is at TDC....(incase anything falls in you won't score the bores moving the piston up to vacuum the particles out through the plug hole)
tap the chaser onto the interior of the plug threads and use an extension and ratchet to turn the thread basket.....it should come out with the electrode attached....then run a vacuum cleaner nozzle into the plug hole....to suck any particulates out...
reinstall all new plugs after gapping them and go!
If you are past this point and have already dropped stuff into the cylnder
with the piston down...remove head and clean...
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wouldn't the ceramic and metal debris from drilling get stuck on the residue inside that #1 cylinder making it very hard to vacuum every little piece out or will a few small pieces not hurt the cylinder walls? I also have a pressure washer and could get a small nozzle and flush everything out of there after vacuuming. I just drowned a bolt in the hole with JB Weld to see if I knocked it loose enough with PB Blaster to just wrench it out after the JB cures fully. I just don't want to go through all the hastle of taking the whole top of the block off just to take the plug off even though it would be nice to replace the gasket and the piston rings.
Elder User
Joined: Dec 2002
Posts: 649
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From: Monterey bay area
If the ceramic insulation shattered then you will have to remove the cylinder head.....I was thinking of a clean break....
time to get busy....
remove the upper intake, plastic wheel well and coffe can assemblies, smog air tube, exh manifold, valve cover and cylinder head....
time to get busy....
remove the upper intake, plastic wheel well and coffe can assemblies, smog air tube, exh manifold, valve cover and cylinder head....
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thanks for all of your ideas...I am going to rip the engine apart and replace the head gasket and valve cover gasket along with the valve covers, replace the piston rings and the whole ignition system while i'm at it. Thanks again for your ideas
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I managed to get the easy-out in the plug and it came right out with small wrench and a huge iron pipe for torque. I took it for a test drive around the block and noticed a huge oil leak....simple fix though. Valve cover gaskets and oil pan gasket. Possibly a new oil pan if it is too rusty. Thanks again for all of your replies!!
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cjg1999
1987 - 1996 F150 & Larger F-Series Trucks
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Sep 15, 2006 02:51 PM
