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  #1  
Old 11-03-2006, 01:09 AM
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oil cooler

I just found out the oil cooler on the side of my radiator is for engine oil and it has a thermostat. Mine never seems to get warm. Could there be a problem with it? Where is the thermostat? The car runs at a very consistient temp, is the thermostat important?

1984 MBZ 300TD wagon
1983 MBZ 300D sedan
1984 F-250 IH 6.9L Diesel

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Old 11-03-2006, 01:50 AM
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Location: West of Ft. Worth. TX
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The thermostat is in the oil filter housing and if I recall, opens at 95C oil temp. As someone recently found out, it takes quite a bit of highway driving to have the oil cooler come into play.
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84 300SD 350K+ miles ( Blue Belle )
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Old 11-03-2006, 02:03 AM
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110*c after 1979 or so.
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Old 11-03-2006, 02:04 AM
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same discovery here.

makes sence. before i changed the lines to the oil cooler i notaced that there was an abnormal amount of leakage... i mean sometime there was a small dot of oil on the ground and some times there was a pool the size of a basket ball. i changed the lines and the spots went away. but then i notaced that the oil cooler never really got hot. i never really understood it. but looking back the times i've felt my oil cooler was on days when i was running around town. and the times i've seen the big pools were normaly at my dads house after 2 hours of driving in the mountians.

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