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DSeries4 
Orange Level
Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7204
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 Topic: 190 XT oil cooler
Posted: 23 Nov 2015 at 10:23pm |
How does the oil cooler work on 301 turbo diesel? Mine has antifreeze leaking out of it. I thought it only held oil. Antifreeze does not appear to be coming from any other place on that side of the engine. I appreciate any insight. Thanks!  
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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screwloose
Orange Level
Joined: 06 Dec 2014
Location: maryland
Points: 361
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Posted: 24 Nov 2015 at 4:13am |
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Oil cooler has tubes that run from end to end that the coolant runs through, engine oil runs through the outside of those tubes hence the coolant cools the oil. Oil drains back into the oil pan, coolant keeps circulating through engine anf radiator.
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screwloose
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Joined: 06 Dec 2014
Location: maryland
Points: 361
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Posted: 24 Nov 2015 at 4:14am |
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Oil drains back to the oil pan or oil gallery
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Orange Blood
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Joined: 29 Nov 2010
Location: ColoradoSprings
Points: 4053
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Posted: 24 Nov 2015 at 5:27am |
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Looks like you may just need to tighten your clamps. Worst case you may want to rebuild the hoses. Not a hard job, and Agco still has all the parts, new hoses, and new heat shields, clean the hose flanges up on a wire wheel and you should be golden.
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Still in use:
HD7 WC C CA WD 2-WD45 WD45LP WD45D D14 3-D17 D17LP 2-D19D D19LP 190XTD 190XTLP 720 D21 220 7020 7030 7040 7045 3-7060
Projects: 3-U UC 2-G 2-B 2-C CA 7-WC RC WDLP WF D14 D21 210 7045 N7
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DrAllis
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Joined: 12 Sep 2009
Points: 19497
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Posted: 24 Nov 2015 at 5:40am |
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When replacing the hose, use two new clamps to squeeze the hose ends and then wrap the heat shield around them and use a third clamp in the middle to hold the heat shield. This provides better clamping of the hose.
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MACK
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Joined: 17 Nov 2009
Points: 7664
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Posted: 24 Nov 2015 at 8:08am |
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Oil comes from pump through cooler, then into oil gallery to lube mains, rods,turbo, and valve train. MACK
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 7979
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Posted: 24 Nov 2015 at 8:02pm |
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Hey Fred! If it only held oil....what is cooling it?
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slip knot
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Joined: 15 Aug 2014
Location: texas
Points: 103
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Posted: 24 Nov 2015 at 9:12pm |
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That's an odd sized hose. 2 1/8 IIRC or 54mm. I had to buy a 3 ft piece when I replaced mine. I bought the HD 4ply hose and it was a real bear to get on. Way tight against the block at the waterpump area.
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