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Jeep Liberty Diesel

10668 messages,  Last post on Nov 06, 2009 at 8:17 PM

You are in the Jeep Liberty and Jeep Liberty Diesel Forum. Your Hosts are steve_ & tidester

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


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#10505 of 10668
Re: Liberty Diesel (CRD) 06 [mdamick] by kesh25
Jun 12, 2009 (1:45 pm)
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Replying to: mdamick (Jun 12, 2009 6:50 am)

That is what the dealer suggested, he wants to pull the EGR clean it or replace it as needed. Could I just drive around with CEL on? Upto this point there is no impact on the performance, no stalling and it runs great.
#10506 of 10668
Re: Liberty Diesel (CRD) 06 [kesh25] by mdamick
Jun 13, 2009 (11:22 am)
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Replying to: kesh25 (Jun 12, 2009 1:45 pm)

If it is stuck closed, you will notice less smoke and better off the line response.
If it sticks open, it won't run worth beans.
#10507 of 10668
Re: Liberty Diesel (CRD) 06 [crash227] by lightnin3
Jun 13, 2009 (3:20 pm)
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Replying to: crash227 (Jun 08, 2009 7:34 pm)

you would have to get the sensor changed and a new "reflash" on your CPU to resolve this.
Of course a visit to your local Jeep dealer , , one that has a qualified diesel mechanic , that can work on 2.8L diesels will fix that .
This is a little Ferrari of Suv's you have , ad needs regular maintenance since our fuel is dirty and the engine was never adjusted to north American fuels .
How to curb your visits , is to start using premium fuel , such as B.P premium , is my favorite, Sonoco red, Shell Ultra , or "Vpower" diesels fuels.
Also you will have to start using additives , one that cleans injectors, such lucas formula, or power service. Stanadyne is the best .
This will help your performance .
Stay away from discount fuel.. all you end up with is an engine light and a visit to the dealer.
And don't forget to pump your tires to 38 psi. This wil at least save you some $$'s and raise your mileage factor.
good luck..
Lightnin
#10508 of 10668
Re: Liberty Diesel (CRD) 06 [lightnin3] by crash227
Jun 15, 2009 (4:52 pm)
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Replying to: lightnin3 (Jun 13, 2009 3:20 pm)

I buy the Power Service Diesel Kleen + Cetane because it is available in big sizes and is what they have where I buy my Mobil 1 Synthetic Diesel Blend Oil. So far that seems to have kept my engine running well. I use it in every tank of fuel I buy. I just returned from a four (4) day trip of about 1,200 miles and averaged over 28 MPG at expressway speeds of 72 to 77 MPH. I started the trip with a new Air Filter & Oil Change. I now have about 75k miles on my '06 Liberty Diesel so maybe it is just getting broken in now. The MPG seems to improve every year!
#10509 of 10668
Re: Liberty Diesel (CRD) 06 [crash227] by lightnin3
Jun 16, 2009 (7:11 pm)
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Replying to: crash227 (Jun 15, 2009 4:52 pm)

Hey thats great to hear Crash.!!
 It's funny usually guys get on here and complain about some problem they have. Well it's about time someone actually gets some performance out of her , other than me.
Did you try pumping your tires to 38 psi ? , and how about using premium grade fuels other than the Flying J brand ?.. at the local truck stop..
 
I would like to see if someone can beat my average 33 mpg yet?.. .
Where are you located ?.
Do you have B.P. stations with Diesel out there?. if they do , the next time your on a road trip try a premium fuel instead.
there are 2 different grades available , just have to find a station that serves 2 grades.
B.P premium,Shell V power ultra diesel. , Sonoco red , Citgo #1 , Texaco premium. and so on.
If you look around to the different "gas stations" that serve diesel , the better ones will serve a premium grade with a higher Cetane level usually around 45-50 points compared to the regular #2 grade diesel fuel with a cetane level of 40.
 
I have been lucky to have access to Shell Vpower fuels here in Windsor Canada that claim that they have a rating of 50-55 .
after using it I averageed 26 in the city and 33 on the highway.
along with using the additives like Stanadyne cetane improver
I have had the best results with this product.
But when I can't get this , I use power service in the "silver bottle" that claims 6 point increase in cetane boost.
Which I believe is a good product but haven't had results like Stanadyne.they seem to be the best product I have used so far.
When I can't get these, I use Lucas formula upper cylinder lube and actually had good results with this as well . but not as good as a cetane improver.
 
Also if your not on a long trip lets say an hour , why not experiment with your speed? .
 take your time in the right lane have space between the trucks , and set your cruise at 70 then decel to 55 mph . try to get your rpm's lower than 1800.
On my best day so far I have reach 38 mpg ,I must have had a tail wind ..
just make sure you have lots of space between the trucks and you when your on the highway . that way the speeders will see you in lots of time.
I actually found travelling 70+ mph I lost on average 20% fuel economy.
 
Well good luck
 hope to hear from you soon on your results after a tank full of the good stuff..
Lightnin..
 
Also utilize that over head console for the mileage and press reset when your at the 55 mph mark. and then reset the mileage counter and watch the mileage go up.
It will give you incentive to slow down if your not in a hurry to get somewhere. that is..
#10510 of 10668
better intercooler pipes? by sphinxcrd
Jun 23, 2009 (8:00 pm)
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I have owned many turbocharged cars and trucks and I noticed something different about my crd. Most diesels I have owned have hard intercooler piping and most cars with turbos at least have an aftermarket options available. However I have found nothing for the liberty. Have you ever popped the hood and had someone rev the engine? It blows up like a balloon until that net wrapping stuff contains some of it. Is this normal or has someone replaced my pipes with some kind of sub-standard thin hose to handle the 25+psi air coming off of the turbo?
#10511 of 10668
Re: Liberty Diesel (CRD) 06 [lightnin3] by wvav8tor
Jun 23, 2009 (8:10 pm)
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Replying to: lightnin3 (Jun 16, 2009 7:11 pm)

Hello all, I just wanted to add my 2 cents worth here about the CRD. Mostly what I have read here is about all the problems and what to do about them. I know that is what you would expect to hear at any site of this nature because for the most part if there is nothing wrong than you simply just don’t post about it.
I just wanted to let everyone know about my positive experiences so far. I have owned a 2006 limited sense October 08, when I picked it up it had 26000 miles on it. I than began to read some of the stories of problems here and became quite concerned. I also read about some of the mods to maybe eliminate some of the ills of this engine. I did the Elephant hose by pass and the EGR by pass using a code reader to reset the engine light indicator…not a big thing to do if it gets rid of these concerns.
So after 12000 miles of ownership I am here to report absolutely no problems of any kind. I notice sense doing these modifications that no matter how I run the thing it never blows black smoke. I just recently did a trip through southern WV taking the opportunity to take pictures of that part of the state. I did a lot of back roads going up and down some pretty steep terrain including gravel roads. Also made stops along the road to take photos while leaving the Jeep idling. I then spent an hour in Chareston driving around looking for a place to eat.
On the return to home I stayed on the interstate, the trip was about 900 miles. I did not reset the electronic mileage indicator the entire way hoping this would add more to the overall accuracy. I pulled in to my driveway I punch the computer and was pleasantly surprised with an amazing 29.8 miles per gallon!!
I love this vehicle not only for its fuel mileage but for is handling, ride and gobs of power. I have sirrus radio but I find I leave it off most of the time just to listen to the rattle of the engine…God I love that sound. Now watch the damn thing will probably throw a rod tomorrow.
 
dusty
#10512 of 10668
Thinking of purchasing by dukecola
Jun 25, 2009 (4:27 am)
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Hi Folks, Ok I've read thru about half of the 11000 posts on this forum, wow quite a bit of info. So, please let me know if I summarize correctly....
 
Assuming I can purchase a 06 with low miles (29k) for a real good price, thousands below book, if I use this savings to do a few things, will the purchase be worth it? From what I gathered the TC is the biggest issue, so if I replace it with the aftermarket one, I would have the biggest issue solved? Then, different tires, ensure ball joints are done. (Question on ball joints later). EGR valve seem to be the next biggest issue but from what I've read, disconnecting or ignoring is the thing to do. Lastly, purchasing a extended warranty to 100k to cover all the other things, please tell me if I'm on the right track or if I should avoid this car altogether? Thanks.
 
Oh yea, ball joints. No one goes into detail, but if the stock orig ones are replaced does the dealer install the same joints that will fail again, or are they different ones solving the problem?
 
Also, a little history, I've had many diesels since 1981, 4 VW's (Still have a Rabbit truck going strong, 60mpg), two Isuzus, a piece of crap GM6.5TD (you think the CRD is a lemon!), and my current Jeep Grand Cherokee with the Mercedes CDR, sweet car!
 
Thanks, any help appreciated.
 
Duke
#10513 of 10668
Re: Thinking of purchasing [dukecola] by storageguy
Jun 25, 2009 (7:46 am)
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Replying to: dukecola (Jun 25, 2009 4:27 am)

Hello, well you have done your research, however the CRD is no VW, I think it is a better vehicle all round but I guess time will tell. My 06 had a couple of factory re-calls, done well and no further problems. I use a diesel additive and have had 1 EGR change in 50,000 miles. I have met a fellow with an 06, his has 120,000 on it and other than the EGR and tranny recall all has been good with his as well. We experience Canadian winters and the sound of a cold start CRD is something to behold. A lot of noise, rattles and smoke for 30 seconds or so. A great winter driving machine. All that said, one from time one must re-boot by switching the ignition off, waiting a short spell and then restarting. Hope this may be of help
#10514 of 10668
Re: Thinking of purchasing [dukecola] by winter2
Jun 27, 2009 (8:38 am)
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Replying to: dukecola (Jun 25, 2009 4:27 am)

I own a 2005 CRD and just passed 52K miles on mine. As it gets more miles on it, the fuel economy gets better.
 
As to problems, I had the EGR replaced at 14k miles, one computer reflash at 680 miles, ball joint recall and the F37 recall. Since then, the 2nd TC failed at 42K but when the tech at the dealer I use got into it, the Florida dealer that had done the F37 had performed a sloppy job and left out a part or two. Outside of that I am love my CRD.
 
Doing good basic maintenance on the engine and the drivetrain is a must. Keeping the boost sensor in the intake manifold clean will save the hoses between the CAC and the engine.

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