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#1
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98 e300td glow plug stuck
Ok #4 glow plug was seized but with a little pb blaster it started to move. Then the dang corers rounded off because I cranked too hard on the rachet.
Too tight to get vice grips on it and be able to turn them. Only idea I have is to sacrifice a 12mm socket by filling it with JB Weld, pushing on the plug and letting it harden, then trying again with a rachet. Anyone have a better idea? Thanks! Sent from my XT1585 using Tapatalk |
#2
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Bring the engine to operating temperature, turn it off, then remove the glow plug with an impact gun.
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CENSORED due to not family friendly words |
#3
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Quote:
Could put the new ones in. Safe to start with intake manifold off? Sent from my XT1585 using Tapatalk |
#4
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I haven't done one yet but, TJTSs method does work when setting the impact to a low setting starting off. The fact that it has been rounded off produces another challenge.
There are a few threads on broken GPs. Do a search. I suggest you do some reading here before going any further, unless you like pulling a cylinder head for enjoyment. |
#5
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I understand thanks. I have impact tools but the issue is the plug isn't broken off yet and I sure don't it too. If you think it's safe to start the Car with the intake manifold off, or if it will even actually start. I suppose I could take a torch to it briefly, but hesitant about that as well.
See any reason my method of filling a 12mm socket with JB Weld and pushing it on the plug, letting it harden and then having another go would do any harm? Sent from my XT1585 using Tapatalk |
#6
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If you use the JB and it does not work, no idea for plan C. You have no location on your profile. I have read in warm climates you can go with five GPs. Change the five and isolate the power source for the stuck one. As far as running it W/O the intake on, just make sue no loose items (rags, towels, light items) are in the vicinity of the intake ports. |
#7
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Quote:
Sent from my XT1585 using Tapatalk |
#8
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Maybe try a quality six point 12MM. socket before anything else. I have also used a little foil around a rounded nut, then six point, but not for your actual problem with success.
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#9
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Sent from my XT1585 using Tapatalk |
#10
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Please share with us what works or doesn't. Have never heard of the JB weld in a socket, but who knows.
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#11
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Quote:
Sent from my XT1585 using Tapatalk |
#12
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I'll back em out with intake off, engine running. Use caution as you get towards end of threaded part. After I have unscrewed them all the way I sometimes use compression of running engine to push em out.
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Jim |
#13
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Don't bother with anything else at this point but a gator grip for rounded bolts (at sears they sell them) and attach it to an impact gun and get it off with the impact. If you do anything else it's just going to snap off in the head. I've done 3 sets of glow plugs on an om606 with an impact and walked a member through the process of using it with an impact and it works every time. There's absolutely no other way to do it other than impact that guarantees removal. Heat the engine up and bring it home with the impact.
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#14
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So, it's gonna run like crap with the manifold off, but I am willing to try lol. Sent from my XT1585 using Tapatalk |
#15
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You won't loose the socket. JB weld can be burned out afterwards. Assuming the Glow Plug comes out you can heat the Glow Plug with a propane torch and that sould burn the epoxy and keep the heat away from the Socket. Then simply get a small knife and pick out the epoxy from inside of the socket. Use a 6 point socket. They have rounded bolt head extractors but you can only turn them one direction (and it is better if you can turn it a little bit back and forth) and there may not be enough room for it as the head on the extractor is bigger then 12mm. Below is a pic of the inside of a rounded bolt extractor.
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84 300D, 82 Volvo 244Gl Diesel |
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