|01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect|
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|09-14-2011, 12:13 PM||eBay Motors #1 (permalink)|
Join Date: Jul 2011
Diesel in oil
First of all thanks for the how to's. I have a 2002 dura-max with 268000 miles on her. GM had changed the injectors twice (98000 and 156000) N/C but i did it just a couple of weeks ago with the info posted here. Now I'm still getting diesel in the oil!!! Oil pressure stays in the 60 to 80 range for a couple weeks than drops down to 20 at idle and 40 at cruise speed.
My question is what the heck could be causing this!! I have no loss of power and no smoke.
|09-14-2011, 12:36 PM||eBay Motors #3 (permalink)|
Join Date: Jul 2011
Is there a test or way to see which injector is bad? A friend said the truck needs a major tear down as he thinks it's rings. When I did the injectors passenger side boots and cups were clean. Drivers side I had to replace 3 cups. I cleaned everything up real good. Also, I replaced the fuel pump.
|09-14-2011, 12:45 PM||eBay Motors #4 (permalink)|
Join Date: Jul 2009
Location: Battle Creek, MI
If you dont have efi or tech 2 then take it to the dealer and they will give you your balance rates.
520 hp and 1001ft lbs on Danville's rollers
|09-14-2011, 08:10 PM||eBay Motors #5 (permalink)|
The balance rates will not help.
You need to start the engine with the valve covers removed, and the FPR unplugged so the pressure goes all the way up, then look for a leak.
It is most likely a return line seal leaking since you just changed the injectors, but there is a chance that one of the new ones is bad.
|09-15-2011, 10:03 AM||eBay Motors #6 (permalink)|
Join Date: Jan 2010
|04-04-2013, 10:58 PM||eBay Motors #7 (permalink)|
Join Date: Apr 2013
Diesel in my oil
OK so I've got a bad injector or two and I found out the hard way after checking my oil and it being way over filled about 2.5 gallons over after draining it and changing it so I could get it home apparently I had driven it for a while with diesel in my crank case I had no way of know considering I had no loss of power nor did I have any white smoke hell it don't even roll a lot of coal when I get on it but that brings me to my question have I done permanant damage to my truck because that's my biggest worry at this point
|09-10-2013, 12:52 AM||eBay Motors #9 (permalink)|
Join Date: Jan 2012
Location: Bloomington, IL
2003 Silverado CC LT
K&N filter, AMS oil, PPE boost increase valve, 20% tint,
Fleetgaurd fuel filter, removed door moldings, 4" MBRP exhaust
Black with silver int. Built 355 with chrome Hooker Header side pipes,
TH350C trans with transpac kit, electric fan, Holley 650 double pumper,
MSD Ignition, NKG plugs
|09-10-2013, 08:31 AM||eBay Motors #10 (permalink)|
Husker Diesel Pimp
It really depends how long the truck was ran with that much fuel in the oil. That will be the determining factor.
But to be realistic and logical, if its running fine now and has normal oil pressure, then odds are that the motor is just fine.
Sent from my DROID RAZR