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#1
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All 606 glow plugs are out...except for #6
Any tips on how to get that one out w/o cussing so loud the neighbors 2 streets away can hear? lol
2 came out easy, 2 more came loose but were stuck and had to wiggle, ratchet, pull, repeat for a while to get them out where the carbon wanted them to stick in there. #4 I think it is is loose, but was getting too hot and it's probably going to take lots of in/out/wiggling like the others due to being a little stuck with carbon. However, that #6 is going to SUCK due to that oil filter housing being in the way. It's slowing coming a little bit at a time. I've been using a ton of PB Blaster, even squirted a little atf down on the threads to help loosen it up. I do have a magnetic induction heater on its way today to help warm it up and see if that helps...but is there any other way other than deep socket it until the ratchet it up against the oil filter housing, then switch to a wrench? |
#2
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Heating will expand it and make it tighter. Heat it, juice it, let it cool, repeat a few times and then let it cool completely. The heating, juicing and cooling will wick the penetrant in a little farther. Patience really pays here.
Some have mentioned using small impact guns on stuck threads, I haven't and don't know if you have access for that anyway. Good luck!!!
__________________
"Rudeness is a weak man's imitation of strength" - Eric Hoffer |
#3
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PB Blaster is garbage IMHO. I've never had good luck with it. Cheap, over-hyped crap.
Get yourself some GOOD penetrating oil. It's not cheap, but worth it's weight. The old adage applies: You get what you pay for. "Kroil" is the "good stuff"! Use it sparingly, exactly where it's needed. Not hosed all over the place. Let it sit, then apply some more. "Sugar Bear" is absolutely correct: "Patience really pays here". Also correct on the heating/cooling technique. Lots of good info/threads, on Pelican, concerning this task. You must resist the urge to hurry this along. If it breaks, you'll really be in a world of hurt. Good luck! |
#4
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Well, the threads are all out, but just like the others that were tough, the carbon has the body/tip of it stuck. It'll spin all day but is refusing to come out. The induction heater kinda helped me get the threads loose so it didn't break off, but I can't really get any leverage on the tip that the electrical connector connects to so I can wiggle it out like the others. It's getting pretty loose and don't want to break that part off and have something slide down into the head (if It'll even do something like that). I'm done for the night though, I've been battling those damn glow plugs for most of 5 or 6 hours. Hopefully between heat, atf, pb blaster, wd40 and spinning it around, some of that stuff will help dissolve the carbon inside, or at least loosen it up so I can get it out tomorrow.
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#5
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You're almost there! The hard part is getting it unthreaded.
Keep breaking down that carbon and eventually it will pull out.
__________________
The OM 642/722.9 powered family Still going strong 2014 ML350 Bluetec (wife's DD) 2013 E350 Bluetec (my DD) both my kids cars went to junkyard in 2023 2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles) 2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles) 1998 E300DT sold to TimFreeh 1987 300TD sold to vstech |
#6
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Quote:
I have extensive experience (18 years as a mechanic) with the old school liquid wrench penetrating oils and PB Blaster works significantly better compared to those. Any way that is my personal experience. What I don't like about the PB Blaster Penetrant is the smell and it does not come with the skinny tube; at least out here it does not. For some reason their other product the WD-40 like PB Blaster comes with the skinny tube. I would like to try Kroil but it is not sold at local hardware stores.
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84 300D, 82 Volvo 244Gl Diesel Last edited by Diesel911; 07-16-2021 at 12:59 AM. |
#7
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Quote:
However, I would not break loose something with the ratchet end as it might be too delicate for that.
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84 300D, 82 Volvo 244Gl Diesel |
#8
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I have not followed the thread closely. Did you get a Glow Plug Reamer or plan some substitute for that to get the carbon out?
Then there is the never-seize type compound for the threads when you install the new plugs.
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84 300D, 82 Volvo 244Gl Diesel |
#9
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I have a reamer on the way along with the plugs from Mercedes Source along with the proper compound...if he'd actually ship them out that is.
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#10
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Kroil is hands down the best stuff out there.
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Jim |
#11
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If they had it locally I would very likely buy some. Until that time it is PB Blaster which is available and reasonably priced.
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84 300D, 82 Volvo 244Gl Diesel |
#12
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I order from their website.
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Jim |
#13
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http://www.peachparts.com/shopforum/diesel-discussion/351809-gregmns-1991-w126-350sdl-has-new-home.html
Read post #15
__________________
Greg 2012 S350 BlueTEC 4Matic 2007 ML 320 CDI 2007 Leisure Travel Serenity 2006 Sprinter 432k 2005 E320 CDI 1998 SLK230 (teal) 1998 SLK230 (silver) 1996 E300D 99k, 30k on WVO Previous: 1983 240D, on WVO 1982 300D, on WVO 1983 300CD, on WVO 1986 300SDL 237k, 25k on WVO (Deerslayer) 1991 350SDL 249k, 56k on WVO - Retired to a car spa in Phoenix 1983 380 SEC w/603 diesel, 8k on WVO 1996 E300D 351k, 177k on WVO |
#14
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Quote:
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#15
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I was thinking of something like that but I don't have the tools or really the space down where #6 was I think. Anywho, I was finally able to get it out today. Had to really heat it up 3 or 4 more times, spray a TON more WD40, PB Blaster, Carb Cleaner, wiggle it back and forth with a wrench, rinse and repeat and FINALLY got it out.
When I put the reamer in there, it pretty much went all the way down with ease. It pulled some crud out with it, but it went in easy. I don't know why that one plug was so damn stubborn. Anyways, the holes are reamed and ready for new plugs to be installed. I'm going to knock out the fuel delivery valve crush washer and o-rings probably later this week and put this car back together. I'm DEFINITELY going to have to change the oil before I start it because of all the fluids I've sprayed down the glow plug holes to loosen them, clean them out, and the carbon that's been knocked loose. It'll give me another reason to use my fancy oil vacuum system I bought for my CL55 so I can change the oil from the top without having to get under this car anymore either |
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