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#1
01-15-2006, 02:20 PM
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A strange discovery
While looking for the radiator drain under my 240D I noticed a LARGE bolt (about 7 inches long, 12 mm shaft and 18mm head) stuck between part of the suspension and the engine block below the injection pump. I pulled it out and looked around but can't seem to find a place that it was missing form. Anybody have any ideas where it goes? I hope who ever dropped it here replaced it.
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine 
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#2
01-15-2006, 02:22 PM
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THat is NOT a pleasent suprise.
I assume all the wheels and engine are on/in your car 
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#3
01-15-2006, 02:22 PM
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Sounds like one of the head bolts.................does it have 12 points inside the head or only six??
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#4
01-15-2006, 02:42 PM
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Just a thought...somebody changed the idle arm bushing (& bolt) and just stuck the old bolt there. Does it show any wear? Isn't that bolt about that size?
__________________
 1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car"
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#5
01-15-2006, 02:56 PM
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Quote:
I hope not.
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#6
01-15-2006, 03:02 PM
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I don't suppose that someone is playing mind games with you are they? You should be able to see where a bolt that big came from. (Damn. Ended a sentence with a preposition again. Please don't tell my wife.....)
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#7
01-15-2006, 03:06 PM
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Sounds like it might be one of the ac compressor bolts.
__________________
1985 300D Turbo ~225k 2000 F350 (Powerstroke) 4X4, SWB, CC, SRW, 6spd ~148k 1999 International 4900, DT466e (250hp/660 ft/lbs), Allison MD3060 ~73k
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#8
01-15-2006, 03:21 PM
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Quote:
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#9
01-15-2006, 03:24 PM
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Quote:
I second that that idler arm bolt is pretty massive. Or what about an upper or lower control arm bolt?
__________________
1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200
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#10
01-15-2006, 04:21 PM
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"7" in length??
I hope not." Well harrump then, the longer head bolts are only a tad over 5.5" long. nener, nener  LOLI looked in my nut & bolt box and found a 7" bolt, trouble is don't know where on a 616 its from, think is from the AC bracket tho, like Wasuchi suggested. We need more info
__________________
1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car"
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#11
01-15-2006, 04:23 PM
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Quote:
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#12
01-15-2006, 04:25 PM
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It's just a standard hex-head. There doesnt seem to be any serious wear on the bolt, but there are two rings worn slightly smooth about 1/2 and 1 and 1/2 fron the head of the bolt. Here is a picture.
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine
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#13
01-15-2006, 04:31 PM
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Wasuchi and stevo win the prize. Upon further inspection the AC compressor is missing a bolt.
What should I torque it to? Since you guys are on a roll...any of you have any advice on how to get my rounded off and frozen oil drain plug off?
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine
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#14
01-15-2006, 04:32 PM
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Quote:
 Maybe the a/c or alternator or one of the control arm bolts.
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#15
01-15-2006, 05:15 PM
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The mounting bolts are torqued to 60Nm +/- 10NM.
You may have to loosen the 2 other bolts to get this one in. Then tension the belt and tighten all 3 bolts. here is the parts diagram of the bolts, washers and spacers. http://www.peachparts.com/shopforum/attachments/diesel-discussion/28492d1124747680-ac-compressor-spacer-mix-up-compressor-spacer-diagram.jpg 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
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