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Unread 11-24-2010, 08:07 AM   #1
vertcobra99
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maintenance schedule?

I was wondering what the maintenance schedule was on the 2011 Jeep Cherokee?

I am mainly concerned with how often the trans fluid and differential fluid needs to be changed. I am coming from a lexus which had a sealed transmission and differential with fluid that never needed to be changed for the life of the vehicle which was a nice touch.

Does the new jeep have something similar?

Also what about the spark plugs and fuel filter? I was looking online but was unable to see what the manufacturer recommends for each service.

If anyone can provide this info I would be grateful.

Thanks,

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Unread 11-24-2010, 08:28 AM   #2
CTO1
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I seem to recall one of the Jeep videos saying that the drivetrain was sealed for water fording but the owner's manual does indicate that the transmission and transfer case fluids will need to be changed at least once. Nothing I could see about the differentials, though. Here's a link to download the owner's manual with all of the maintenance schedule information you could want.

My Jeep: Jeep Owners Service Manuals - 4x4 SUVs, Sports Utility Vehicles, Off Road
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Unread 11-24-2010, 08:34 AM   #3
smcginnis87
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You have to change your Trans and Diff fluid, around 30K same with spark plugs.....


This might help also, WK2Jeeps.com - 2011-2016 Jeep Grand Cherokee menu
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Unread 11-24-2010, 09:34 AM   #4
Texas WJ
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Looks like the front is sealed, the rear as well. If you have the ELSD rear that comes with the Quadra-Drive, then it looks like 36,000 mile or 18,000 mile intervals with that one diff. (If you're in the dirt and water a lot then I would stick to the lower change interval)

The transfer case is a "inspect" at 30,000 mile interval. (whatever that really means)

Both transmissions are 100,000 mile/60,000 mile intervals which is pretty normal.

The spark plugs, all 16 of them, on the Hemi are 30,000 mile jobbers. (stick with copper plugs by the way) While the 3.6 looks to have nearly 100,000 mile plugs.

Both fuel filters are in the tank and don't have a service interval.

As smcginnis87 posted above:

Jeep Grand Cherokee WK2 - Maintenance information and schedules
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Unread 11-24-2010, 11:25 AM   #5
JoeSchmoe007
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Quote:
Originally Posted by smcginnis87 View Post
You have to change your Trans and Diff fluid, around 30K same with spark plugs.....


This might help also, WK2Jeeps.com - 2011-2016 Jeep Grand Cherokee menu
This is not 100% correct. Spark plugs should be changed at 30K only for HEMI. For V6 it is 90K.

As for complete maintenance schedule - Owner's manual for WK2 has it. It is available for download as PDF from Jeep website.
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Unread 11-24-2010, 01:52 PM   #6
vertcobra99
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now does the new jeep have a timing belt or a timing chain?
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Unread 11-24-2010, 04:15 PM   #7
smcginnis87
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Quote:
Originally Posted by JoeSchmoe007 View Post
This is not 100% correct. Spark plugs should be changed at 30K only for HEMI. For V6 it is 90K.

As for complete maintenance schedule - Owner's manual for WK2 has it. It is available for download as PDF from Jeep website.
Ha i was thinking about my 5.7
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Unread 11-24-2010, 04:29 PM   #8
billzcat1
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Quote:
Originally Posted by vertcobra99 View Post
I am mainly concerned with how often the trans fluid and differential fluid needs to be changed. I am coming from a lexus which had a sealed transmission and differential with fluid that never needed to be changed for the life of the vehicle which was a nice touch.
The "lifetime fluid" is becoming more common. I came from Audi and BMW vehicles which claimed lifetime fill on diffs and transmissions, but everyone who changed fluid reported various improvements in shifting, drivetrain noise, fuel mileage, etc. "Lifetime" is great if you consider the lifetime to be 100k.
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Unread 11-24-2010, 05:32 PM   #9
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Quote:
Originally Posted by vertcobra99 View Post
now does the new jeep have a timing belt or a timing chain?
Hemi has a chain, don't know about the V6.
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Unread 11-24-2010, 06:42 PM   #10
Texas WJ
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The V6 mercifully uses timing chains.
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Unread 11-26-2010, 10:47 PM   #11
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Originally Posted by billzcat1 View Post
The "lifetime fluid" is becoming more common. I came from Audi and BMW vehicles which claimed lifetime fill on diffs and transmissions, but everyone who changed fluid reported various improvements in shifting, drivetrain noise, fuel mileage, etc. "Lifetime" is great if you consider the lifetime to be 100k.
+1
bmw lifetime tranny fluid is a joke, should see those earth magnets on the bottom of the pan after 50k not to mention the oil lol
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