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#1
11-01-2005, 01:06 PM
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Nut dropped into timing chain chasm!
Well... here's how it happened.
I was replacing two stripped nuts on the valve cover of an '85 300D. I got the nuts off and removed the valve cover to replace the bolts. In the process of attempting to remove one of the bolts (using two nuts), one of the nuts I was using slipped from my hand and disappeared into the deep chasm at the timing chain. I have tried using a scoping magnet, but it apparently it doesn't reach deep enough. I can't see into the area that I need to access, and due to the amount of metal in an engine (go figure!). whatever I use to fish the nut out needs to be rigid. I'm thinking a coathanger with a magnet on the end. ANy other ideas? 
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#2
11-01-2005, 01:10 PM
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Quote:
coathanger isn't very rigid when you straighten it out....
__________________
Proud owner of .... 1971 280SE W108 1979 300SD W116 1983 300D W123 1975 Ironhead Sportster chopper 1987 GMC 3/4 ton 4X4 Diesel 1989 Honda Civic (Heavily modified) --------------------- Section 609 MVAC Certified --------------------- "He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche
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#3
11-01-2005, 01:13 PM
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i did that once
on one of my cars. i dropped the pan and found it laying on a ledge down there. do not try to run it til you find the nut!
tom w
__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#4
11-01-2005, 01:22 PM
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Its going to add more work, but drop the oil pan. It could be that the nut fell into the oil pan and you will never "find it" since its in the oil. the timming chain is behind the oil pump chain on the crankshaft. So dropping the pan would allow you to see inthe timming chain area. Of course it could be sitting on the chain or in the chain gear crook etc. I would go with the coat hanger and magnet idea. A good flashlight may help also. Try those first and if you can find or see it then try dropping the oil pan.
Dave
__________________
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
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#5
11-01-2005, 01:59 PM
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Go to your local jobber and buy a magnetic pickup tool. It has a small permanent magnet on the end and it's attached to a telescoping rod, very much like a auto antenna. They are cheap and the magnet is strong enough to lift the nut, even while bumping into things on the way up. The one I bought new must be 20 years old now.
__________________
'82 300SD - 361K mi - "Blue" "Good judgement comes from experience. Experience comes from bad judgement." listen, look, .........and duck.
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#6
11-01-2005, 02:08 PM
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VW,
Block that car up and also try to fish it out with the "magnet probe/ coat hanger" through the oil drain hole before you go through all the trouble of dropping the pan.....As mentioned, don't start it until you have the nut in your hand. Careful not to damage drain hole threads.
__________________
 FREDDaily Driver: 98 E300TD 199K Hobby Car: 69 Austin Mini Past Diesels: 84 300SD, 312K 87 300SDL, 251K 94 Chev. K-1500 6.5Ltr.TD, 373K
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#7
11-01-2005, 02:52 PM
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phew...
I had the telescoper first, but I couldn't get it deep enough (my Benz says every guy has this problem at least once, but I think she's trying to make me feel adequate ). I was thinking coat hanger, but went with the wooden dowel and, everyone's favorite, duct tape. Third try got it... that woulda been a *****...
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#8
11-01-2005, 03:42 PM
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Quote:
Seriously though, glad you got it out. Isn't it a great adrenaline rush when you think you have f'ed up something fierce then manage to snatch victory from the jaws of defeat?
__________________
Keep everything as simple as possible-but no simpler--Albert Einstein
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#9
11-01-2005, 03:57 PM
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Glad to hear you got it.....duct tape is phenominal stuff....
This sounded like one of my 20 minute projects that ends up killing a whole day because of something unexpected...... the stress does teach you something about your character. Cheers,
__________________
FREDDaily Driver: 98 E300TD 199K Hobby Car: 69 Austin Mini Past Diesels: 84 300SD, 312K 87 300SDL, 251K 94 Chev. K-1500 6.5Ltr.TD, 373K
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#10
11-01-2005, 03:49 PM
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Nut Drop In Oil Pan
1984 300d Turbo 135k
Ny Timing Chain Was Replace By A Shop, When Changing The Oil To Replace Pan Gasket And Turbo Oil Return Line Rubber Seal ,found Master Link In Oil Pan, Remove Oil Pan Use A 5mm Allen Socket And Drill To Remove Pan Bolts
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