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Engine/Transmission (1998.5 - 2002) Excessive Oil Consumption

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This is my first post to TDR and I wanted to say I look forward to discussing topics with ya'll, and that I appreciate the advice from everyone.



On with the problem. I recently bought a 2000 Dodge CTD 3500 2wd auto with 130,000 miles on it. It smoked a little so I got an exceptional deal on it. The smoke did appear to be oil smoke. It was very faint. Before buying it I took the intake off the turbo and observed excessive play in the shaft and could see where the fan had been coming into contact with the housing. I felt the seals were surely worn and this was the obvious reason for the oil smoke. I bought the truck and replaced the turbo, changed the oil, filter, and fuel filter. Unfortunatly the truck still smokes and consumes and awful lot of oil. I'm talking 1 qt per 100 miles. Also in the oil after I changed it there was a brass/bronze sheen in the bottom of the oil drain pan after I emptied it. Along with the sheen was 4 spiraled nylon slivers approximatly 3/8" long by 1/16" wide. The engine runs and starts very strong and without any problems. It also has very little blow by. My question is this, does my problem sound to you guys like bad valve stem seals in the head? Is there anything, other than worn rings, or leaking valve stem seals that would cause this much oil consumption? Can timing be off enough to cause this problem? Sorry for the length, I wanted to get as many facts out as I could.
 
I APPRECIATE THE RESPONSE. SHOULD THE BLOCK REQUIRE AN OVERHAUL, CAN ANYONE RECOMMEND A PLACE TO PURCHASE AND OVERHAUL KIT. THERE ARE MULTITUDES OF COMPANIES OUT THERE AND I'VE NOT BEEN IN THE DIESEL BUSINESS LONG ENOUGH TO KNOW THE GOOD FROM THE NOT SO GOOD.
 
It may need an overhaul. Once the head is off, you will be able to see more of what is going on. The pistons and/ or the cylinder bore may be scored along with bad rings.



For parts, unless you are wanting to build a high performance engine, I would stay with Cummins OEM parts if it were mine. There may be cheaper parts, but you get what you pay for. High performance, http://www.enterpriseengine.com/default.htm and other similar shops would be the best.



FYI, using CAPS only is the same as yelling. ;)
 
I agree mains and rod bearings come to mind.

You need to buy a Cummins technical manual if you want to overhaul the engine.

Also you should purchase a complete overhaul kit from a Cummins dealer or shop.



--Justin
 
Sorry about the caps thing. In the engineering/autocad business all caps is a habit that's tough to break.



Today my truck is going to a highly regarded diesel mechanic and friend of mine that is cummins certified. I've got a bad feeling my worst fears will be realized. Thanks again for the input.
 
Any knowledgable answer to your concerns is far over my head. But I'll chime in anyway. :D



Seems to me that an oil analysis might be useful. Blackstone Labs seems to get a lot of business here, I've run mine through them, but there are certainly others, probably cheaper. Anyway, the analysis will tell you what kind of metals are in the oil, whether there's diesel or antifreeze leaking in, etc. Knowing that may help you determine what needs attention...



--Ty
 
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