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Jeep Liberty Diesel Oil Questions

48 messages,  Last post on Aug 21, 2009 at 2:25 AM

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#40 of 48 Oil in intake hoses by gbostic Mar 19, 2008 (7:43 am)
The oil appears to be coming from the oil seperator on the bottom end relief gadget on the top of the valve cover. The hoses from the oil seperator to the intake to turbo, the intake hose from the union where the hose from oil seperator t's in, the turbo and all hoses and the intercooler all the way to throttle body are oil soaked. For sure some of the oil if not all of it is coming from the valve cover relief unit. Is there any way to determine if any of this oil is coming from the turbo shaft seals? Should oil be bypassing the oil seperator on the valve cover? Any help appreciated.   George Replies to this message: slowzuki2003 (Aug 20, 2009 4:27 pm) caribou1 (Aug 21, 2009 2:25 am)
#41 of 48 Fuel/water separator application by nordicmatt Feb 07, 2009 (5:40 pm)
Replying to: siberia (May 13, 2007 5:58 am) I believe it is becoming a common failure. My vehicle has been in the shop for the last two weeks. During a routine fuel/water separator filter change, the tech noted that a fuel leak through the sensor plug (into the housing). Currently there is a back order of 888 of these units with no firm release date. I for one cannot wait that long. I have been reading the forum with interest, particularly if there is an option available. I am not a mechanic, but I take care of my CRD and get the service done. Just don't know if it could be as simple as an O-ring. Any help would be appreciated, including what parts I would need to get. I would assume the pic of the fried connector occurred in a wet (fuel rich) environment. If air/oxygen was not available, the failure would have difficulty propagating into a fire. Thanks. Replies to this message: gbostic (Feb 08, 2009 11:49 am) jmorganflowers (Mar 07, 2009 7:14 am)
#42 of 48 Re: Fuel/water separator application [nordicmatt] by gbostic Feb 08, 2009 (11:49 am)
Replying to: nordicmatt (Feb 07, 2009 5:40 pm) We have been using biodiesel. The fuel temp sensor in the intake that controls the glow plug timing had failed. All four of the glow plugs also. The vehicle starts and runs instantly for about 15 sec. and then shuts down. Is there an override shutdown signal coming from the fuel/water seperator that might be shutting down the engine. Engine runs, sounds and feels good for the 15 sec.   Thanks,   George Replies to this message: jmorganflowers (Mar 07, 2009 7:14 am)
#43 of 48 Running B99 Biodiesel by jmorganflowers Mar 04, 2009 (7:46 pm)
I just bought a 2005 Liberty and plan on using B99 Biodiesel in South Florida. I have had great success with my 2001 Freightliner FL70 3126 Cat.   The secret to success with Biodiesel is slow intergration and filter changing. 5%, 10%, 20%, 99% This process took me 3 months to do.   Is there anything I should know with the Jeeps operation on B99?
#44 of 48 Re: Fuel/water separator application [gbostic] by jmorganflowers Mar 07, 2009 (7:14 am)
Replying to: gbostic (Feb 08, 2009 11:49 am) George,   Can I get the name of the dealership and service manager you brought it to. I want to know what went wrong and why. I'm going to run B99 and want to know if I can override these problems.   Regards, Joel
#46 of 48 BioDiesel.......I got the answer! by jmorganflowers Apr 11, 2009 (11:42 am)
Dear Gang,    Let me tell you what happened with the BioDiesel in my 2005 Liberty. I went to the store and out of the blue lost 90% of the engines power. However, when I put it in neutral I got 3-4000 rpm.    This is a sign that the BioDiesel is cleaning out the system. At this point my buddy who has been a diesel mechanic for 30 years said to shut it down before the glow plugs melt.    I changed the filter. It ran fine again. Remember....carry an extra filter and one pint of BioDiesel (in a non-plastic container) in the Jeep.    If anyone has questions, please feel free to contact me.    After a Cat3126 in my FL70 and the Jeep CRD I think I get it by now.
#47 of 48 Re: Oil in intake hoses [gbostic] by slowzuki2003 Aug 20, 2009 (4:27 pm)
Replying to: gbostic (Mar 19, 2008 7:43 am) Hi! I was wondering if you have figured out the problem? We have recently bought a 2005 Jeep CRD and are having this issue. Please let me know. Thanks!!! Replies to this message: caribou1 (Aug 21, 2009 2:25 am)
#48 of 48 Re: Oil in intake hoses [slowzuki2003] by caribou1 Aug 21, 2009 (2:25 am)
Replying to: slowzuki2003 (Aug 20, 2009 4:27 pm) Hi slowzuki2003, Some oil additives seem to migrate through the hose material. There is nothing to worry about besides getting your hands dirty.

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