Oil Pan Torque Specs For 1980 240D
Can somebody please just tell me the freakin' torque specs for the lower oil pan bolts?!?!?!?
Thanks I know it may be trivial but for the sake of precision. |
They do strip pretty easilly. I think it's 10-12 lbs if I remember. See what somebody else says....
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10mm 30 ft. lbs.
12mm 52 ft. lbs. Drain plug, 30ft. lbs. This is from the Haynes manual. I have reused the drain plug only, just tightened it up, never torqued it. |
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What is that in inch/lbs?
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No, it's just completely wrong. I got to about 20 lbs maybe before I stripped the first bolt and actually thought about how tight that is. I think I would do no more than 10 ft/lbs.
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3 to 4 foot pounds? Seems kind of loose. Found my thread, not sure where I got 10 ft/ lbs from, but it seems to work for me. You might try doing a search.
http://www.peachparts.com/shopforum/diesel-discussion/175438-oil-pan-bolts-torque-spec.html?highlight=oil+pan+bolts |
Keep in mind...and there are some long and heated discussions in the archives..
that if you don't run a tap into that hole....and be sure it is clean..... then your torque measuring device is pretty much worthless... engineering data on torque readings specify a clean hole and the threads ' lightly oiled'.... I am sure lots of people will speak up now and dispute that... but they will be wrong... |
That makes sense. So 3-4 ft/lbs with a fresh, well-lubed hole and 10 ft/lbs. with an old, dirty hole. :D Seems about right.
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http://www.peachparts.com/Wikka/OM617OilSepCheckValve
Oil pan bolts 9-11 Nm (6-8 Ft Lbs 79-97 Inch Lb ) Get this torque wrench. http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=2696 Dave |
Folks, it doesn't surprise me the Haynes manual is wrong on this. Does sound like a TON of torque.
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This is from my school's automotive data base for an '82 240D:
Oil Drain Plug in Oil Pan M 26 50 Nm M 12 40 Nm Adjusting Screw for Engine Stop 130 Nm Adjusting Screw for Engine Mount 40 Nm Upper Part of Oil Pan to Crankcase 10 Nm Lower Part of Oil Pan to Upper Part 10 Nm Engine Bearer to Engine Mount Front M 12 70 Nm M 10 40 Nm So, 7.3 ft./lbs. |
Thank You all for your input it is greatly appreciated. So what is the tap size for the bolt holes, in aforementioned oil pan?
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Instead of giving you the tap size.... since giving you the wrong one FOR YOUR CAR.... meaning that a 20 something year old car may have had an accident before....and had new threads cut... with or without something like helicoils, inserts... etc...
Your best bet is to take some of your bolts.... you are going to clean them perfectly before reinstalling... with you to the tool store... ask the staff to help you measure... pay attention to the fact that the same size bolt can have two different thread sizes... and I am not talking about a situation like exists in American threads... coarse and fine so different that you can look and see the difference... I am talking about subtle differences where if you run the wrong one...or the wrong tap into them you will have a much bigger problem than you have right now... so study is called for....and care in proceeding forward... Final test is that you pick up a nut of the size which fits fine on those bolts you took with you..and you see if the tap goes through it comfortably... if it is trying to cut metal out of the same nut which went fine onto your cleaned up bolts it is the wrong tap.... I have seen pans where only one or two of the bolts were different sizes... so on a car new to you it is good to make one of those cardboard holders like you would for the head bolts so you can examine them individually... Greg |
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