5.9 cummins oil leak - Dodge Cummins Diesel Forum

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Old 03-06-2012, 02:35 AM   #1 (permalink)
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Exclamation 5.9 cummins oil leak

So I looked under my truck and saw oil on the back of the oil pan(front of the motor) and oil above the oil pan in the crevis behind the pulley(or whatever that is) But not enough to drip in driveway. wiped away the oil with a rag the best I could, drove it around the block and didn't notice new oil. So I don't know if I didn't drive it enough or if it is just old spilled oil or something... Someone please help me!!!
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Old 03-06-2012, 04:33 AM   #2 (permalink)
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My guess would be a slight leak/seep from the front main seal. Mine does the same thing, I believe it is pretty common.
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