Bad oil leak - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 7 (permalink) Old 04-05-2010, 01:12 AM Thread Starter
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Bad oil leak

I have an 01 cummins and i have a horrible oil leak. Looks like it's coming from the front of motor behind the overflow tube. Any ideas?!
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post #2 of 7 (permalink) Old 04-05-2010, 03:06 AM
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Quote:
Originally Posted by [email protected] View Post
I have an 01 cummins and i have a horrible oil leak. Looks like it's coming from the front of motor behind the overflow tube. Any ideas?!
could be the tappet cover.

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post #3 of 7 (permalink) Old 04-05-2010, 02:34 PM
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Tappet cover is possible but typically the vacuum pump seals are the cause... Clean good and let it idle and see where its coming from.

Michael Nelson - 2002 Dodge Cummins & 1996 Dodge Ram 5.9L Gasser
116K Miles On My VP44 - 4 Years of 2 Cycle Oil Diet! - Mixed at 128:1 Ratio - 25.3 MPG maxed out!
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post #4 of 7 (permalink) Old 04-05-2010, 08:11 PM Thread Starter
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Ok kl thanks. I'll give it a shot
post #5 of 7 (permalink) Old 04-06-2010, 02:10 AM
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Stick a small mirror down below the injection pump, or look up from underneath the truck. Odds are you will see drops on the vacuum pump shaft.
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post #6 of 7 (permalink) Old 04-07-2010, 07:14 AM
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my truck had it bad too for a long time took the overflow bottle off and empty it. plus if you had the truck at a steep angle facing downwords it would pour out

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post #7 of 7 (permalink) Old 04-07-2010, 01:12 PM
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Quote:
Originally Posted by IDImonsterstack View Post
my truck had it bad too for a long time took the overflow bottle off and empty it. plus if you had the truck at a steep angle facing downwords it would pour out (right into the fan scattering it all over the engine been there done that!)
I got a solution for that one...
http://mopar.mopar1973man.com/person...kcase-vent.htm

http://mopar.mopar1973man.com/person...-09-002-02.htm

http://mopar.mopar1973man.com/person...b-09-02-00.htm

Michael Nelson - 2002 Dodge Cummins & 1996 Dodge Ram 5.9L Gasser
116K Miles On My VP44 - 4 Years of 2 Cycle Oil Diet! - Mixed at 128:1 Ratio - 25.3 MPG maxed out!
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