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#16
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The 2 major rasons for a stuck Glow Plug are Carbon got past the sealing sholder and filled in the empty space sort of freezing it in with carbon and or the threads on the Glow Plug got corroded. Hitting it with an impact wrench does not deal with the Carbon issue as well as letting the PB Blaster soak into the carbon might. Bun unfotunately I have had to do it myself. I am going by experience with other things. I would start with the least likely to break the Glow Plug methods first the go on to the others. When you install the new Glow Plugs use a never-sieze type compound on the threads and some put some on the body also but not the tip.
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84 300D, 82 Volvo 244Gl Diesel |
#17
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The many impacts of the gun dislodge the carbon and dislodge it and get the glow plug out. Ream the holes and call it a day.
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#18
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Take care as there will be 12 little mouths trying to suck things in.
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-Evan Benz Fleet: 1968 UNIMOG 404.114 1998 E300 2008 E63 Non-Benz Fleet: 1992 Aerostar 1993 MR2 2000 F250 |
#19
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I like the idea of the JB Weld / six point socket.
Heat is your friend, plug in the block heater for 30+ minutes, start the car (intake off is OK, just be careful nothing gets sucked in) and get it fully warmed up, and then try loosening the plug. Slowly work it in both directions in small movements, patience is your friend. If it is still stuck and not yet broken off, I'd remove the injector for that cylinder and rig a small tube to apply penetrating oil to the inside end of the glow plug. I had great success with that method on a plug that was stuck. Give the penetrating oil some time to work, overnight would be best.
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Respectfully, /s/ M. Dillon '87 124.193 (300TD) "White Whale", ~392k miles, 3.5l IP fitted '95 124.131 (E300) "Sapphire", 380k miles '73 Balboa 20 "Sanctification" Charleston SC |
#20
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Every little bit helps, try 50/50 acetone/synthetic atf, best penetrating fluid available.
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1998 Ford Escort ZX2 5 speed - 279,000 miles My Daily 1992 Mercedes 300D 2.5 202,000 - Pure junk 2000 Mercedes E320 Black - 136,000 miles - Needs repair Don't forget to grease the screw and threads on the spring compressor. |
#21
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Kartek, yep, might throw a MAF code or something?
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David 1996 Mercedes S124 E300TD - 129k - rolling restoration project - 1998 Mercedes W210 300TD - 118k (assimilated into above vehicle) |
#22
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Or you can just do the gator grip and an impact and save yourself time and call it a day. Everyone seems against the impact.
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#23
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Probably, but I have a code puller so I can clear them.
Sent from my XT1585 using Tapatalk |
#24
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Quick note all, got a Gator Grip socket on my lunch break today.
The plug has been letting the PB soak in after several applications. By the time I get to it it will be over 30 hours. Going to clean out the intake holes as they are so caked with black exhaust so from the EGR that I am frankly amazed it was getting any air at all. After which, I will fire it up, let it warm up a bit then give that Gator Grip a try. I'll let you know how it goes...😉 Sent from my XT1585 using Tapatalk |
#25
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This is something you can try.
1) GP is normally 12mm on the OM603, not sure about OM606 but I would expect the same. 2) Try using a 12 points socket. 3) Try using a 6 points socket, sometimes it has better grip. 4) If all fail, hammer in a 11mm socket. You have nothing to use. 5) Last resort, use a bolt extractor like this https://www.walmart.com/ip/Irwin-Industrial-Tool-Co.-HA53906-12mm-Extractor-with-.-38-inchDrive/33976721?wmlspartner=wlpa&selectedSellerId=1235&adid=22222222227022527929&wl0=&wl1=g&wl2=c&wl3=61181242809&wl4=pla-96570578889&wl5=9031351&wl6=&wl7=&wl8=&wl9=pla&wl10=112354589&wl11=online&wl12=33976721&wl13=&veh=sem good luck. btw: I seriously doubt the GP was turning. I think it was turning because you rounded it off. I hope I am wrong.
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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed. W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html 1 X 2006 CDI 1 x 87 300SDL 1 x 87 300D 1 x 87 300TDT wagon 1 x 83 300D 1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry. |
#26
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Quote:
Sent from my XT1585 using Tapatalk |
#27
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Quote:
Run the engine with intake off to get it hot, then turn it off and go at it with a 3/8" impact and pressure regulator set between 30 and 40 psi. Trust me, Jake12tech is the master at this! |
#28
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I'm not against the impact buddy!
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#29
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I got it out and replaced. Since the corners we're so rounded off, I finally resorted to getting out the Dremel, putting a diamond grinder bit on it and taking the sides ever so carefully down until an 11mm fit on it. Warmed her up and out cam the plug. Thanks all for the help!
Sent from my XT1585 using Tapatalk |
#30
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Hope not. I like to think I saved ya potentially $1k or more on shop bills on a machine shop extracting the glow plugs.
Glad I was able to help you and introduce my innovation to someone else.
__________________
Only diesels in this driveway. 2005 E320 CDI 243k Black/Black 2008 Chevy 3500HD Duramax 340k 2004 Chevy 2500HD Duramax 220k |
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