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  #1  
Old 06-24-2016, 01:19 AM
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swappable oil coolers? w123

so i have an '82 240d and i noticed that there is a very small couple of oil drops under the oil cooler every morning (under the car). I pulled an oil cooler from a junk yard a couple of months ago but it is the black oil cooler with the hose inlets on the top and bottom and my oil cooler is silver with both inlets on the bottom. Can i interchange these oil coolers or is one specific to each w123 model?

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  #2  
Old 06-24-2016, 01:40 AM
fashion victim immunizer
 
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theres a large/long one for 300d/dt and a tiny one for 240d. i dont think the larger one will bolt to a 240d radiator but i have never tried?
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  #3  
Old 06-24-2016, 03:19 AM
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not only are the hoses different, the coolers are not the same width. i guess you pulled it from a 300D.
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  #4  
Old 06-24-2016, 05:05 AM
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You'd have a very hard if not impossible time trying to get the hoses to hook on - either get the hoses as well and upgrade to the bigger cooler (dunno if it'd mount to the radiator the same) or look for a cooler the same you have.
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1978 300D, 373,000km 617.912, 711.113 5 speed, 7.5mm superpump, HX30W turbo...many, many years in the making....
1977 280> 300D - 500,000km+ (to be sold...)
1984 240TD>300TD 121,000 miles, *gone*
1977 250 parts car
1988 Toyota Corona 2.0D *gone*
1975 FJ45>HJ45
1981 200>240D (to be sold...)
1999 Hyundai Lantra 1.6 *gone*
1980s Lansing Bagnall FOER 5.2 Forklift (the Mk2 engine hoist)
2001 Holden Rodeo 4JB1T 2WD

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  #5  
Old 06-24-2016, 06:00 PM
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that makes sense. Probably got it off a 300. I will search for a 240d cooler. It's nothing catastrophic... it's just a couple of drops in the morning... but better to get it fixed now instead of later... I replaced the oil cooler lines ~1 yr ago... so far those have held up well.
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  #6  
Old 06-25-2016, 04:13 AM
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Yup, pays to - I hate to think how many engines have met a premature death due to oil cooler + hose related leaks. I've got one of my coolers at an engineering place now getting a hose fitting replaced actually...
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1978 300D, 373,000km 617.912, 711.113 5 speed, 7.5mm superpump, HX30W turbo...many, many years in the making....
1977 280> 300D - 500,000km+ (to be sold...)
1984 240TD>300TD 121,000 miles, *gone*
1977 250 parts car
1988 Toyota Corona 2.0D *gone*
1975 FJ45>HJ45
1981 200>240D (to be sold...)
1999 Hyundai Lantra 1.6 *gone*
1980s Lansing Bagnall FOER 5.2 Forklift (the Mk2 engine hoist)
2001 Holden Rodeo 4JB1T 2WD

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  #7  
Old 06-25-2016, 12:08 PM
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Quote:
Originally Posted by ambush276 View Post
so i have an '82 240d and i noticed that there is a very small couple of oil drops under the oil cooler every morning (under the car). I pulled an oil cooler from a junk yard a couple of months ago but it is the black oil cooler with the hose inlets on the top and bottom and my oil cooler is silver with both inlets on the bottom. Can i interchange these oil coolers or is one specific to each w123 model?
This is the type of Cooler you have?




My 80 240 has this type also. Just don`t see these much in the yards.
Mine weeps at one of the fittings, not the hose. Dang thing looks too fragile to mess with.

Charlie
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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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  #8  
Old 06-25-2016, 06:23 PM
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Thats it

My '82 240d has the exact setup as your's Charlie, that has to be what he has. Hard to find hoses anymore.. The fittings at the bottom are some alloy-tougher than aluminum- I just replaced my hoses and had to get back in and re-tighten the fittings you have in your pic 😡
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  #9  
Old 06-25-2016, 08:43 PM
t walgamuth's Avatar
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I'll have to look and see if I have one of them.
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[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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  #10  
Old 06-26-2016, 04:35 AM
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Quote:
Originally Posted by FE240D View Post
My '82 240d has the exact setup as your's Charlie, that has to be what he has. Hard to find hoses anymore.. The fittings at the bottom are some alloy-tougher than aluminum- I just replaced my hoses and had to get back in and re-tighten the fittings you have in your pic ��
You might have to braze on some AN fittings like Mach4 did in this thread.
And make up some hoses if these are not available.
http://www.peachparts.com/shopforum/diesel-discussion/354554-converting-oil-cooler-lines-stainless-braided-hose.html

I haven`t taken mine out and messed with it....yet. Might not be able to
modify our type of Coolers.


Charlie
__________________
there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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  #11  
Old 06-26-2016, 10:28 PM
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Quote:
Originally Posted by charmalu View Post
You might have to braze on some AN fittings like Mach4 did in this thread.
And make up some hoses if these are not available.
http://www.peachparts.com/shopforum/diesel-discussion/354554-converting-oil-cooler-lines-stainless-braided-hose.html

I haven`t taken mine out and messed with it....yet. Might not be able to
modify our type of Coolers.


Charlie
It is the drilling out and tapping part in that alloy ours has that causes me some concern with that setup, I saved the old hoses and will have a local shop make up & crimp on some new heat rated rubber. The heat evidently shrinks the rubber hoses over time but now that I will have two sets I should be able to always have a pair to swap in. Thankfully, there is a little more room for the 240d guys when installing these hoses than for the 300d folks.. Still a nasty job but a smaller motor is a benefit here!
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  #12  
Old 06-26-2016, 11:37 PM
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Quote:
Originally Posted by charmalu View Post
This is the type of Cooler you have?




My 80 240 has this type also. Just don`t see these much in the yards.
Mine weeps at one of the fittings, not the hose. Dang thing looks too fragile to mess with.

Charlie

Yes.. That is the cooler i have. I have never seen one in the yard. The hoses are not leaking it looks like it is dripping out where the nut meets the small hook shaped hardline. i can see a little oil there.. beyond that it seems ok. But will still be on the hunt.

The hoses are in very good condition.
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  #13  
Old 06-27-2016, 09:20 PM
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Quote:
Originally Posted by ambush276 View Post
Yes.. That is the cooler i have. I have never seen one in the yard. The hoses are not leaking it looks like it is dripping out where the nut meets the small hook shaped hardline. i can see a little oil there.. beyond that it seems ok. But will still be on the hunt.

The hoses are in very good condition.
Sounds like a good candidate for a tighten, there is a 11mm bolt on the bottom -radiator side -that loosens a bracket clamp on the oil cooler then the oil cooler slides up past the rad and then out at the bottom to give you more wrench space.. use your judgment, may take two wrenches to tighten, one to hold the cooler fitting, one to tighten the hose. 20minutes may do it.

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