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rjbotella 12-12-2011 08:20 AM

Engine oil
I recently purchased a certified 2011 Jeep Cherokee Overland, with 13000 miles on it. The dealer said that they changed the engine oil as part of their certified vehicle inspection. There is an oil sticker on the windshield, calling for the next oil change at 16,500; however, I am getting a change oil message, every time that I start the vehicle. I am thinking that whoever performed the oil change did not do the reset.

I plan on using the best synthetic oil that I can, since I my plan is to keep the vehicle long term. Any recommendations on a quality full synthetic engine oil? I was using Redline full synthetic oil in a 2007 BMW 530I. Their claim is that their engine oil eliminates sludge build up. My cost on their oil is about $11.00 per quart.

I would appreciate any replies or suggestions.

Ray Botella

bmrisko 12-12-2011 09:00 AM

Re: Engine oil
You can't go wrong with Redline or Amsoil for true full synthetic oil. I, personally, have always used and had great success with Mobil1 since it is a bit cheaper and readily available in my area. My 2004 Tahoe has 187k miles on the motor and has been running Mobil1 since about 60k miles with no issues (knock on wood).

sbraun 12-12-2011 09:25 AM

Re: Engine oil
For the 2011 Jeep Grand Cherokee with the 3.6 L V6 use SAE 5W-30. However, if you have the Hemi 5.7L V8 you must use SAE 5W-20 for the MDS to function properly. I have been using Mobile One 100% Synthetic in all my vehicles for over 20 years. I live in a cold climate and Mobile One 100 % Synthetic is critical for starting when the vehicle has been sitting out in -30 C (-22 F) for long periods. Synthetic oil is also critical at the other end of the temperature spectrum. Stop and go driving in high temperatures such as 35 C (95 F) and above causes the engine oil to thin out. Just remember, if you have the Hemi V8 use 5W-20. Change the Oil filter every time you change the oil. If you have the 3.6L V6 which has a cartridge filter mounted on top of the engine you need to follow the steps outlined in this PDF file:

It is important to have a funnel when adding oil to the V6 oil fill pipe located on the right side of the engine cowl. It is a small pipe opening and if you try to pour from the oil container into the mouth of the oil fill pipe you will probably get oil all over the engine. Get a small funnel.

Good luck with your Jeep 2011 Grand Cherokee. I have found my 2011 Jeep GC to be the best performing Jeep that I have had over the years and I have had a lot.

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