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Jeep Liberty Diesel

10691 messages,  Last post on Nov 24, 2009 at 7:34 PM

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What is this discussion about? Jeep Liberty, Biodiesel, Diesel, SUV

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#10682 of 10691 BELT NOISE by gh1961 Nov 21, 2009 (3:46 pm)
my 2005 CRD (love it) has been giving me belt chirping noise..idler pulleys replaced 5 times and belt 3X...the last dealer visit the shop told me that rust on the pulley causes this...i do not believe this...anyone else with this issue and/or solutions?
#10684 of 10691 Re: 2005 Jeep Liberty CRD Fuel Filter [isx] by caribou1 Nov 22, 2009 (1:19 am)
Replying to: isx (Nov 21, 2009 2:59 pm) There are at least two models of fuel filter housings. http://richard.fortin.free.fr/KJ_diesel/Corps_filtre.jpg Mine is the "Parker_Racor" type and I can spill fuel because the water separator bowl is fairly large and the fuel gasket between bowl and cartridge comes out of it's seat without warning I tried both ways and prefer to clamp the housing over the angle of a workbench to recuperate the fuel and torque the cartridge without damaging other equipment.
#10685 of 10691 Re: 2005 Jeep Liberty CRD Fuel Filter [isx] by winter2 Nov 22, 2009 (3:14 pm)
Replying to: isx (Nov 21, 2009 2:59 pm) I have attempted to pull the water sensor as you suggest but I am not enough of a contortionist to do that. Replies to this message: isx (Nov 22, 2009 5:00 pm) crash227 (Nov 24, 2009 2:14 pm)
#10686 of 10691 Revisiting an Old Question by willysjeep Nov 22, 2009 (3:23 pm)
I posed this question to this forum back in 2005. Since that time, I am assuming that the increased experience with the Jeep Liberty CRD may give me a better answer. OK, with that prelude here it is:   How long will the turbocharger last?   I do not drive the vehicle at high speeds. Occasionally I pull a 5' X 8' trailer. I change the oil regularly, a bit more often than the owner's manual requires.   What signs or indications will the engine give if turbocharger failure is imminent?   How much of a cool-down is necessary with ordinary driving. Past comments given were to sit in the vehicle for a couple minutes with the engine idling.   Are there other oils that treat the turbo as well as Mobil 1?   As our CRD engines age, this question becomes increasingly important. The local dealer changed out the engine of a Liberty CRD a few months ago due to turbo failure. The people at the dealer told me that the woman who owned the vehicle had not been changing her oil.   I realize that these are the same old questions that the forum has beat on before, but I'm hoping that with time, we're all a bit wiser. I don't want my Jeep stuck in a snow bank with a blown turbo this Winter.   I thank you in advance. Replies to this message: winter2 (Nov 24, 2009 7:59 am) crash227 (Nov 24, 2009 1:58 pm)
#10687 of 10691 Re: 2005 Jeep Liberty CRD Fuel Filter [winter2] by isx Nov 22, 2009 (5:00 pm)
Replying to: winter2 (Nov 22, 2009 3:14 pm) Yeah everyone has there own way of doing things. We are all different, it would be a boring world if everyone was the same. Whatever works for the individual.   Does anyone out there have any experience with the 3.0 CRD. Replies to this message: crash227 (Nov 24, 2009 2:14 pm)
#10688 of 10691 Re: Revisiting an Old Question [willysjeep] by winter2 Nov 24, 2009 (7:59 am)
Replying to: willysjeep (Nov 22, 2009 3:23 pm) Are there other oils that treat the turbo as well as Mobil 1?   In my view, Mobil has not kept up with synthetic oil technology. My dealer has stopped using Mobil 1 in the Liberty CRD as well as the Grand Cherokee CDI because of lubrication issues and oil consumption issues.   I did use Amsoil in my CRD but found that I had a consumption issue. I use Amsoil in my wife's Chrysler without a problem. I am using RedLine 5W-40 and only add after 4000 miles of driving.   The big items to keeping a turbo healthy are frequent oil changes, the use of a good quality lubricant, watching oil consumption ( a side effect of owning a turbocharger engine), light engine demand until the engine is at operating temperature, and resting or cooling down the turbo after driving it. The cool down schedule in the owner's manual seems to be fine. This is my second turbocharged vehicle and I have not had any issues with turbocharger failure or turbocharger malfunction. I always cool down after running the engine, use a high quality lubricant and change oil more frequently than the manufacturer requires. As to turbocharger durability, with good care, at least several hundreds of thousands of miles.   As to the person who did not change oil in their CRD, what do you expect? Replies to this message: crash227 (Nov 24, 2009 1:58 pm)
#10689 of 10691 Re: Revisiting an Old Question [winter2] by crash227 Nov 24, 2009 (1:58 pm)
Replying to: winter2 (Nov 24, 2009 7:59 am) I have 88k miles on my '06 Liberty CRD and I have always used Mobil 1 5W-40 Turbo Diesel Blend Oil. So far it is serving me well with no EGR problems and only an occasional turbo boost pressure sensor fault SEL. At 6k miles my oil is less than 1/2 quart low unless I have been working the turbo really hard by towing or other activity. I would switch to another oil if I had a good reason to do so. I change my oil about every 6k miles spring thru fall when outside temps are at 50 degrees or above. Before the FROSTY weather comes, I change my oil every 3k miles. I am considering using my engine block heater this winter just to keep the oil a little warmer in cold weather starts. I read a LONG but interesting paper about engine wear vs. oil change intervals and weather. I think there is definitely far more engine wear in the "cold start" winter months. I know the CRD is a little fussy and requires some effort to maintain but I really love my Liberty CRD!
#10690 of 10691 2005 Jeep Liberty CRD Fuel Filter by crash227 Nov 24, 2009 (2:14 pm)
Replying to: isx (Nov 22, 2009 5:00 pm) I started changing my own Water Separator/Fuel Filters a year or so ago when my wife filled my CRD's tank with E-85 instead of Diesel! I posted a pretty detailed description of that job on this forum. As for the filter & WIF sensor, I tried to remove it as specified in the Jeep Factory Service Manual and it was too difficult from below. I ended up taking off the fuel hoses and clearing the area around the filter. Then I put a oil filter wrench (scissors type) on the housing and spun it loose from the engine compartment. I spilled a little fuel when removing the old filter but it was no big deal. I think 30 to 45 minutes is about right for the filter change but I did not remove the housing from the fire wall, just hoses and the filter cannister/WIF sensor.
#10691 of 10691 Thanks - old question revisited by willysjeep Nov 24, 2009 (7:34 pm)
Thanks for the answers.   I use my block heater. In cold Northern weather, I've found the diesel to be so sluggish that I feel I'm a hazard on the road otherwise. The engine warms up much faster and a side benefit is that there is near immediate heating and defrosting.

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