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Best Tool to Use on Driveshaft (w123)
For an 80 240d, what're the best tools to get this giant nut loose? It's holding up phase 2 of my project. It's on the smaller driveshaft just before the two driveshafts connect. Actually, it is the smaller of the 2 driveshafts.
http://s163.photobucket.com/albums/t304/phae1017/?action=view¤t=DSCF0102.jpg Last edited by Miklas; 07-06-2007 at 06:45 PM. |
#2
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belt tool
I ended up with some tools from Sears that are a belt that tightens around the nuts with a plastic body. Only works under these conditions: the nuts are VERY clean and dry, and the nut is not on super tight. A large pipe wrench would also work, but will destroy the nuts and I do not recommend it. When I bought a new driveshaft, the first one was on to tight. They had to overnight me a new one, that was loosened before it was shipped.
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Mercury is a boxer 1984 300d 1999 Prelude Medici road bike Klein touring bike Klein mtn bike |
#3
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Er uh. Did you try just pulling on the shaft? I have never had to loosen that nut.
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http://superturbodiesel.com/images/sig.04.10.jpg 1995 E420 Schwarz 1995 E300 Weiss #1987 300D Sturmmachine #1991 300D Nearly Perfect #1994 E320 Cabriolet #1995 E320 Touring #1985 300D Sedan OBK #42 |
#4
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Very large sliding lock jaws ( channel locks). labled "460 Channel lock". Opened to the larges position they are 3.5 inches wide.
http://www.toolup.com/productinfo.asp?pid=%7B05E58C01-FBAF-40B0-B9A7-209A195FB7C9%7D&AdCamp=Froogle_Feed&utm_source=froogle&utm_medium=froogle1&utm_term=Channel%20Lock%20460 Dave
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1970 220D, owned 1980-1990 1980 240D, owned 1990-1992 1982 300TD, owned 1992-1993 1986 300SDL, owned 1993-2004 1999 E300, owned 1999-2003 1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD 1988 560SL, 100,000mi, owned since 1995 1965 Mustang Fastback Mileage Unknown(My sons) 1983 240D, 176,000mi (My daughers) owned since 2004 2007 Honda Accord EX-L I4 auto, the new daily driver 1985 300D 264,000mi Son's new daily driver.(sold) 2008 Hyundai Tiberon. Daughters new car |
#5
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Thanks, I think I'll try the "big-ass" brand lock jaws. No, the driveshaft isn't coming out, it's just barely sticking in with all the play in the unbolted transmission.
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#6
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channel locks and a pipe wrench worked for me.
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2001 Dodge Ram 2500 Cummins Turbo Diesel - 4x4, auto, 3.54 gears, long bed ------------------------------------- '92 300D 2.5 Turbodiesel - sold '83 300D Turbodiesel - 4 speed manual/2.88 diff - sold '87 300D Turbodiesel - sold '82 300D Turbodiesel - sold |
#7
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Yes - exactly those Channel Lock slip pliars as shown in the tool link. You should be able to find them at a local outlet like HD, Sears, Lowe's, Autozone, etc.
I got by fine with just the one set of pliars, with the transmission locked in park. There's no way you can do any damage to the locking pawl in the transmission with just your hand pressure on these pliars, and they should be strong enough to get that big driveshaft nut loose. When you get the back section of the driveshaft off, use the remaining short section of driveshaft to make sure the yoke on the transmission is still securely held on with the special locknut it uses. These have been known to loosen up over time and not cause a big problem - until you take the driveshaft off and cause the alignment to change because that fastener is loose. Done this job too many times. I finally learned to jack one back wheel up off the ground while making sure the two front wheels and other rear wheel are securely chocked. This allows you to turn the driveshaft assembly around, making access to all those flex disk bolts MUCH easier. Again, you use Park to hold the driveshaft in place to loosen a flex disk bolt, then Neutral to move around to another section, etc. Ken300D
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-------------------------- 1982 300D at 351K miles 1984 300SD at 217K miles 1987 300D at 370K miles |
#8
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big ass 6'' cresent wrench
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Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? As long as they would add one additional commandment for you to keep thy religion to thyself. George Carlin (Wonder where he is now..) 1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won. pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt. |
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