Screw driver in motor!!!
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Senior User
Joined: Mar 2007
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Screw driver in motor!!!
So today i was changing out my valve springs and had a long screw driver through the glow plug hole to make sure the piston was top dead center. I pulled the screw driver out after a while of cranking the motor over by hand and the tip was broke off. I dont know how this exactly happened or if the screw driver was broke before but i am 95% sure the screw driver was fine. Is there a way to see or does anyone make a magnet small enough to get through the gp hole? Any input would be great im in a real bind now. Thanks
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Elder User
Joined: Apr 2008
Posts: 524
Likes: 2
From: Redmond, Or
oh Chit
I would find a small magnet that u can jbweld or epoxy to a coat hanger. they sell at sears a craftsman magnet/parts grabber set that i bought a few years back with three different sized magnets/retractable rods on a handle, i would cut the small one off and epoxy it to a piece of wire and go for it. sorry thats the best i can come up with
I would find a small magnet that u can jbweld or epoxy to a coat hanger. they sell at sears a craftsman magnet/parts grabber set that i bought a few years back with three different sized magnets/retractable rods on a handle, i would cut the small one off and epoxy it to a piece of wire and go for it. sorry thats the best i can come up with
Molon Labe
Joined: Dec 2006
Posts: 5,272
Likes: 1
From: Alaska
Oh that sucks...I guess its better to be safe than sorry, I had both the injector and the glowplug out today and If i remember correctly the holes were about the same size????
I think I would try one of those telescoping magnets. I'm not sure if it would fit in the hole or not, maybe grind it down to fit. Pull the injector and blow some compressed air in the hole, maybe it will stir up the broken bit and the magnet will catch it.
This sucks, no doubt. Check the tip of the screwdriver to see if the break looks clean (fresh clean metal), or if its been there a while.
Wish I could help more...
I think I would try one of those telescoping magnets. I'm not sure if it would fit in the hole or not, maybe grind it down to fit. Pull the injector and blow some compressed air in the hole, maybe it will stir up the broken bit and the magnet will catch it.
This sucks, no doubt. Check the tip of the screwdriver to see if the break looks clean (fresh clean metal), or if its been there a while.
Wish I could help more...
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Senior User
Joined: Mar 2007
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ya its hard to tell about it being broken recently or not but i think it is fresh it seems everything is pointing to there being part of a screw driver in the cylinder. I measured the end of gp and of a spare injector with a micromiter(cant spell it) and the injector nozzle was a little bit bigger. I dont know if that means the wholes are or not but i am going to try and get a small enough magnet in there to get it out. What could i use next time so that i dont do this again?? Thanks a lot guys with the responses.
Molon Labe
Joined: Dec 2006
Posts: 5,272
Likes: 1
From: Alaska
Im assuming if it was a flat head srcrewdriver, I would use a phillips next time, or maybe a wooden dowel rod? I hope the broken piece didnt score the cylinder.
Good luck. we have all been in a predicament before, and we're here to help.
Good luck. we have all been in a predicament before, and we're here to help.
Elder User
Joined: Apr 2008
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From: Redmond, Or
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Senior User
Joined: Mar 2007
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ya i hope it didnt do any damage. i wanted to use a straw and didnt have any so i figured the screw driver would work just fine....ddooohh
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Joe Kucinski
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Joined: Apr 2005
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From: Anchorage, Alaska
The injector hole is bigger for sure. Since its a V8, the piece will be on the out part of the cylinder wall, or in the outer part of the combustion chamber of the piston, one would hope anyways.
Once had a guy at work, rebuilding an 855 Cummins in a Kenworth. For years he always used a screw to stick in the crankshaft oil hole to roll the main bearings out. This time, the screw decided to have a little more magnetic flux than the engine block. He rolled the crank around and started rolling the bearing out, then it stopped. He rolled it back to find the screw - no screw!
He had to pull the entire engine out, and then apart, to extract the screw from the main oil galley to the crankshaft main bearing.
Once had a guy at work, rebuilding an 855 Cummins in a Kenworth. For years he always used a screw to stick in the crankshaft oil hole to roll the main bearings out. This time, the screw decided to have a little more magnetic flux than the engine block. He rolled the crank around and started rolling the bearing out, then it stopped. He rolled it back to find the screw - no screw!
He had to pull the entire engine out, and then apart, to extract the screw from the main oil galley to the crankshaft main bearing.
Post Fiend
Joined: Jun 2006
Posts: 9,714
Likes: 2
From: White Mnt's,New Hampshire
that sucker is stuck next to the piston or in the bottom of the pan im sure...never leave it in a hole while your turning the motor...i guess a straw is ok but if it breaks it floats then it could plug something some where like in the HPOP..i use a long wire and hold it when the motor is being turnd...this way i can feel it bind before it cuts the tip off...a straw you cant feel that till after its been cliped..i wish you the best of luck...
Senior User
Joined: Dec 2009
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From: Columbus, Ohio
Try stepping down shop vac hose with different size tubing till you get it small enough, wwe do it on our big cats that way.EDIT: or use vaccume brake bleeder with small tube
Last edited by damicofuel; Apr 24, 2010 at 08:00 AM. Reason: addition
Postmaster
Joined: Dec 2008
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Maybe the screw driver got caulked and caused the tip to break off when manually cranking it over.
Lead Driver
Joined: Jan 2007
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From: Kiowa CO
