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#1
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Stripped Oil Drain Plug
I am very frustrated. The oil drain plug on my car was in tough shape and was put on very very tight by someone! Now I have made the situation worse, stripping the bolt even worse trying to get it off. The bolt is now somewhat rounded and it won't move. Does any body have any hints how to loosen it now that the bolt head is worn. (How can such an easy project to lead to so much frustration?).
Bill |
#2
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get yourself a set of vice grips and clamp down on it tight. Go slow and be gentle it will eventually break free! And if it makes you feel better you can buy a new one at your local MB dealership
for $2.50, I bought one last week! Good luck!
__________________
Brandon 2008 S550 1957 Dodge D100 1967 VW Microbus 21 Window 2001 Suburban 2004 Beach cruiser bicycle -----------------GO DUKE!----------------- "It cannot be emphasized too strongly or too often that this great nation was founded not by religionists, but by Christians; not on religion, but on the Gospel of Jesus Christ. For that reason alone, people of other faiths have been afforded freedom of worship here." Patrick Henry 1776 |
#3
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Thanks for the suggestion but I just tried that. I put on some penetrating oil, let it sit and they used the vice grips.
The vice grips just seemed to chew it up. That alluminum is just too soft. My vice grips are definitely worn. I think I will make a trip to the hardware sotre and get new vice grips. |
#4
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Chisel and hammer will works for me..
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#5
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search
Search the archives.
BTDT good luck
__________________
1979 300D 220 K miles 1995 C280 109 K miles 1992 Cadillac Eldorado Touring Coupe 57K miles SOLD ******************** 1979 240D 140Kmiles (bought for parents) *SOLD. SAN FRANCISCO/(*San Diego) 1989 300SE 148 K miles *SOLD |
#6
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bhorne,
Chisel and Hammer. The drain plug is sacrificial. A new one is cheap. I had this happen to me on my 1986 190E 2.3-16. First oil change, could not get the drain plug out. Took it to a shop near by and had them do it, and they used a hammer and chisel. The next time I tried to take it out, it was stuck again. I bought a fancy socket from Snap-On that has the corners drilled out so you exert force on the flats only. Still would not budge, and started getting deformed. Got a new plug, then used a hammer and chisel and it came right out. The drain plug on these cars has about two inches of thread and is steel going into aluminum. I bought two more plugs, and when the third one got stuck, I invested in a Topsider. Never had the problem again, although I have never tried to take the drain plug out. It was really wierd, as I made sure I was not over tightening the thing, yet it would get stuck every time. The last drain plug is still in the center console tray, just in case. Hope this helps, Jim
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Own: 1986 Euro 190E 2.3-16 (291,000 miles), 1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000, 1988 300E 5-speed 252,000 miles, 1983 240D 4-speed, purchased w/136,000, now with 222,000 miles. 2009 ML320CDI Bluetec, 89,000 miles Owned: 1971 220D (250,000 miles plus, sold to father-in-law), 1975 240D (245,000 miles - died of body rot), 1991 350SD (176,560 miles, weakest Benz I have owned), 1999 C230 Sport (45,400 miles), 1982 240D (321,000 miles, put to sleep) |
#7
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If all else fails, drill a hole in the center of it and use a spiral ease-out.
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1995 S-350 370K + SOLD 1952 220B Cabriolet 39K kilometers + SOLD 1998 E300D 310K + 2012 E350 BlueTec 120K |
#8
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UNCLE - I give up.
I made a bigger mess with my new vise grips. (the good news I got free vise grips from Sears - their "forever" warranty really works). I think it is time for vaccum extraction. Next time the car is at a garage I'll have them try to remove the plug with a air chisel. One of the posts in the archive talks about using a little pump on drill instead of topsider. I think I'll give that a try. Thanks for the suggestions. Bill |
#9
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It is quite possible that the copper washer is missing, or has never been replaced. The washer should be replaced at each oil change (when using the drain method). There are normally an assortment of washers with the filter, the copper is for the drain plug, the aluminum is for the filter bolt and the other(s) are for different applications.
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Mike Tangas '73 280SEL 4.5 (9/72)- RIP Only 8,173 units built from 5/71 thru 11/72 '02 CLK320 Cabriolet - wifey's mid-life crisis 2012 VW Jetta Sportwagon TDI...at least its a diesel Non illegitemae carborundum. |
#10
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Sorry to hear of your problem. I think the best advice was to drill it out. Might be time to start using a Topsider.
sbr '79 450SL 76,000 miles |
#11
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Hello bhorne,
I had the same problem on my 300e. I took it to my mechanic and explained my frustartion. He used a special rachet key that was designed specifically for stripped heads. Luckily, he didn't charge me anything. I guess he felt sorry for me and could easily read the frustration on my face. I would suggest taking your car to a " Lube Shop ". Since they do oil and filter changes on a regular basis, I would imagine they run into this problem all the time. Ask them to remove the drain plug for you and then just reinstall the new one yourself. Hope all goes well for you, bluebenz |
#12
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I've been there too - a few times! Try a hammer and chisel, not an air chisel. Strike the bolt along the outter edge in the counter-clockwise direction. The shock will usually break it loose.
I found that a Craftsman 3/8 drive 6 point 1/2" socket fits this bolt perfectly. I have not rounded one off since.
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D.H. 04 ML500 02 E430 Experience is something you don't get until just after you need it. |
#13
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Try using a good quality pipe wrench - an indispensible tool!
Bruce
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Oupa 1988 300e |
#14
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Would a pipe wrench fit in there? Probably not...
Another solution might me to grind some new sides on the plug head with a dremel, grinder, cutoff tool, or even a hand file. Just 2 sides are needed to give a wrench another chance at it. Once you get a wrench tightly on it, whack it with a hammer to shock it. Hammer action is much more likely to break it free. I'm interested in aquiring this new type of extractor, which looks ideal for this particular situation, but I have not tried them yet: http://www.americantool.com/de/de8_5.asp If nothing else works, I would next be inclined to drill it out. Grease or teflon tape on the threads will prevent this problem. Most other cars have plugs with much shorter threads, so the motor oil keeps them moving well enough. If you ever do get it out, consider a valve instead of a plug: http://www.fumotovalve.com I would be concerned that those Topsider devices may not get out any 'heavy' material that has settled to the bottom of the pan. I do have one, and it is certainly great for auto transmissions without plugs, but I have chosen to use the valve method instead for engine oil. Best of luck. |
#15
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Fumoto valve is the way to go, you can get them with a nipple on them, which allows you to put a 3/8" plastic hose on it, which allows oil to be changed, and directed to wherever you want to go.
Info@fumotovalve.com Will show you all. On our ML270, the drain plug is right over the crass frame, the last place I would want to cover with used oil. Once the valve is in, it never needs to be removed. Regards Col Tigwell Downunder |
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