Grand Cherokee 3.0 CRD life expectancy - Page 2 - JeepForum.com
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post #16 of 19 Old 10-17-2019, 09:35 PM Thread Starter
contrary1
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2007 WK 
 
Join Date: Mar 2012
Location: Doniphan
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Been on the road most of the week. It's turned into a 2,000 mile week for work so plenty of time to think while rolling through the sandhills. I appreciate everyone's input. Looks like I am already doing most of your suggestions for those of you running higher milage crd's. We're gonna see how far she can go ......

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post #17 of 19 Old 10-19-2019, 03:07 PM
MarvinTm
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Join Date: Feb 2014
Location: calgary
Posts: 54
Our 2008.5 is just about to hit 300,000kms and its all stock. I fell it has at least that much still in it and over all its in great condition.
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post #18 of 19 Old 10-21-2019, 11:30 AM
Xmind
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Join Date: Apr 2013
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IMO, a nice indicator of your engines life expectancy is to get your oil analyzed for 2 oil changes in a row. I sent mine to Blackstone labs to get a baseline value for the Jeep. They also give you an indication how your values are compared to other engines. Then send the oil in again at the next oil change and see the difference in metallic particles especially. For me, I had very low metal particles in both results with my 2nd oil change slightly better than the first, so I knew that my engine isn't degrading at any noticeable rate.

'07 GC CRD QDII, EHM, GDE ECO, DPF & intake rez delete, Paramount Perf Valve Body
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post #19 of 19 Old 10-21-2019, 12:04 PM
Brit30-06
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Join Date: Feb 2016
Location: Leeds
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Quote:
Originally Posted by Xmind View Post
IMO, a nice indicator of your engines life expectancy is to get your oil analyzed for 2 oil changes in a row. I sent mine to Blackstone labs to get a baseline value for the Jeep. They also give you an indication how your values are compared to other engines. Then send the oil in again at the next oil change and see the difference in metallic particles especially. For me, I had very low metal particles in both results with my 2nd oil change slightly better than the first, so I knew that my engine isn't degrading at any noticeable rate.
Hi
You make a very good point. I have my oil analysed. This led me to the early oil changes.

The engine is by far the most expensive item but we know very little about what is happening inside. We change the oil once a year and hope all is well.

Blackstone look a quality outfit.
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