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Thoughts on 08 Diesel WK 4x4


Blue88Comanche
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So what happened with the diesel WK?

 

The WKs have the same engine as in my 07 W211 Bluetec, and puts out about 400 lb. ft. of torque.

 

Stock:  205 hp 368 lb/ft torque.

 

Get it chip tuned:   235 hp & 415 lb/ft torque

 

I stand corrected on the WK diesel; the W211 is rated at 400 on the same engine.

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Nope, looks like It's German. The WK has the Benz 3.0 L V6 diesel. The early WJ had the Motori diesel.

The new Grands have the VM though, right?

 

 

I read quite a bit on the WK motor. It is apparently long lived and dependable if you can keep the EGR/DPF (diesel particulate filter) from clogging or remove it all together using a tune from Green Diesel Engineering. This motor is a mercedes, made in Germany. I understand this motor was discontinued due to emissions restrictions that went in around 2008 or 2009.

Here's a good write up on the model 

https://conflictedracer.wordpress.com/2013/09/03/2007-2008-5-wk2-crd-faq-jeep-grand-cherokee-diesel/

 

 

I have a WK2 diesel made by VM Motori. It's the same engine that Maserati has in their diesel sports sedan Ghibli (ooh la la :brows: ) except with one turbo instead of two. It is a pretty fancy motor with a lot of bells but I do not look forward to the day when they stop ringing. My engine has the DPF and DEF (diesel water) injectors that sprays a fine mist of fancy water into the exhaust to cut down on emissions soot- or at least that's how it was explained to me. There are tunes that delete all of this but it voids the warranty. In fact, my truck came with a card that stated they have special monitoring software that will record any changes made to the ECU or air/fuel mix parameter changes. Any detected change will void all warranty coverage. 

 

If you can find a low mileage WK diesel or one with good service records showing that it used the correct spec oil I would strongly consider it and factor in about $400 for a GDE tune and DPF delete. 

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