Diff. Fluid Change instructions - JeepForum.com

 
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post #1 of 9 Old 06-19-2014, 08:22 AM Thread Starter
nubby105
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Diff. Fluid Change instructions

Anyone have detailed instructions for changing the Differential Fluid? Dealer wanted $480 and I can't swing that right now.

2011 WK2 Limited w/Hemi

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post #2 of 9 Old 06-19-2014, 11:01 AM
ColdCase
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Jeep should be ~level, put pan under diff, loosen fill plug, unscrew drain plug, let drain, replace drain plug, unscrew fill plug, pump new diff fluid in until it just starts to run out, replace fill plug... clean up.

When draining, some use a pump through the drain hole to suck more used fluid out. Some just go in through the fill hole, less mess.

I think the fill/drain plugs are pretty obvious, but drawings are below.

See http://www.jeepforum.com/forum/f309/...fluid-1324966/


#8 and 6 below....
Attached Files
File Type: pdf Front Diff.pdf (110.8 KB, 66 views)
File Type: pdf Rear Diff.pdf (101.6 KB, 54 views)

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post #3 of 9 Old 06-19-2014, 11:39 AM
ColdCase
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Quote:
Originally Posted by nubby105 View Post
Anyone have detailed instructions for changing the Differential Fluid? Dealer wanted $480 and I can't swing that right now.

2011 WK2 Limited w/Hemi
That price could be for both axles, transfer case, maybe transmission.

Current: 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6
Previous: 2000 Grand Cherokee Laredo I6, 1979 CJ7 I6 Quadratrac
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post #4 of 9 Old 06-19-2014, 12:38 PM Thread Starter
nubby105
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Thanks for the info. It is possible that price could be for all you mentioned. Do you have any instructions on the transfer case as well?
Thanks.
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post #5 of 9 Old 06-19-2014, 01:25 PM
ColdCase
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Chrysler has a differential service coupon for many dealers for $89 per axle, special fluids and full synthetic lube extra. That's still a little more than $180. You will probably spend near $70 on mopar gear oil doing it yourself.

Current: 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6
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post #6 of 9 Old 06-19-2014, 02:34 PM
smljeep
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How often are the differentials suppose to be changed?

Most other vehicles I've had are around the 100,000 mile mark.

Eddie

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post #7 of 9 Old 06-19-2014, 03:59 PM
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Quote:
Originally Posted by smljeep View Post
How often are the differentials suppose to be changed?

Most other vehicles I've had are around the 100,000 mile mark.
They've revised most when using synthetic gear oil to much shorter OCI's.



To the OP make sure you remove the fill plug 1st before anything else.If you drain the diffs and then can't get the fill plug out your SOL in a big way.

'02 Liberty sitting on 35" tires,HP44,RockJock60,and AtlasII t-case
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post #8 of 9 Old 06-19-2014, 04:12 PM
ColdCase
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Quote:
Originally Posted by smljeep View Post
How often are the differentials suppose to be changed?

Most other vehicles I've had are around the 100,000 mile mark.
Follow your owner's manual. In 2011 Jeep recommends checking diffs every 24K miles. If you run a taxi or tow heavy frequently or drive like you stole it, change every 24K miles, otherwise they do not call for a routine diff fluid change, at least as far as they go (152K miles). Mopar synthetic lube is recommended.

Current: 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6
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post #9 of 9 Old 06-19-2014, 04:15 PM
ColdCase
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Quote:
Originally Posted by nubby105 View Post
Thanks for the info. It is possible that price could be for all you mentioned. Do you have any instructions on the transfer case as well?
Thanks.
Basically the same, locate the drain and fill plugs and have at it.

Current: 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6
Previous: 2000 Grand Cherokee Laredo I6, 1979 CJ7 I6 Quadratrac
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