When to change diff fluids? - JeepForum.com

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post #1 of 10 Old 05-18-2016, 12:16 PM Thread Starter
jnlasvegas
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When to change diff fluids?

I have a 2014 gc with a hemisphere and 32000 miles. Dealership recommended I change both front and rear for 180 each.

I don't have manual but I'd thought it wouldn't have been this soon.

Any thoughts on price and if this is just dealership being a stealership?

Thanks!

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post #2 of 10 Old 05-18-2016, 12:17 PM Thread Starter
jnlasvegas
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Hemi not hemisphere. Lol damn autocorrect
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post #3 of 10 Old 05-18-2016, 12:33 PM
GPSBob
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You can download your manual for free at this site:

http://www.jeep.com/en/owners/manuals/
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post #4 of 10 Old 05-18-2016, 12:56 PM
ColdCase
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Its synthetic gear lube.

For 2014 models, every 20,000 miles, inspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road or frequent trailer towing. Inspect means to check for leaks. Towing heavy creates a lot of heat that could break down the fluid early, off road there is a chance of water or dust contamination. Otherwise there is no change interval suggested.

Transfer case fluid should be changed at 120,000 miles.

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 #5 of 10 Old 05-18-2016, 06:08 PM
norge2000
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Agreed. Around or just over 100,000 miles is manic number to change all fluids. Coolant, transmission, differentials, brakes and power steering.
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post #6 of 10 Old 05-19-2016, 06:48 AM
bittner72
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I changed my FR/RR axle, transmission fluids around 60-70k. The only fluid that by seemed "dirty" was the rear-end. And I mean it came out black and the new is like a light gold color. This is the quadra drive system so I'm not sure if you have the same. The dealer whom I ordered the fluid from did not have it and seemed like they had never ordered it before.
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post #7 of 10 Old 05-20-2016, 04:02 PM
Limited9627
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Dealers will try and sell you anything. Personally I would just crack the fill hole and check your fluid before spending money on that. I had a dealer try and tell me it should be changed at 15k lol. I went home and checked it an it looked brand new. I don't have QD.

2014 WK2 Limited V6 w/ Icon Coilovers revalved and OME HD springs and shocks on rear.
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post #8 of 10 Old 05-21-2016, 05:15 AM
kryogen
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dealer tried to sell me a fluid change for 400$ also. I said no.
But then I said you know I have QD right, you need a special fluid? He looked dumb and said, oh its going to cost more....
Jesus.
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post #9 of 10 Old 05-29-2016, 02:02 PM
Turbozcs2003
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well do you intend to keep a long time or not give a crap?

I dumped the fluids in the t-case and diffs after a few thousand to get the metals out, smartest thing you can do to extend the life of them is change them a few times during early ownership.

Go buy a outboard lower unit gear oil pump at walmart for 10$ and buy some gear lube. Will also need a set of allen sockets to get the plugs out, very easy maintnenance. no need to spend 180$ per diff when you can change the fluid for the cost of 2 qts of gear oil.

A freind of mine never changed his gear oil in his ram and at 120K got to spend 1200 $ rebuilding it, yet I guess he saved 100$ in gear lube over the years.
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post #10 of 10 Old 05-29-2016, 02:45 PM
ColdCase
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Quote:
Originally Posted by Turbozcs2003 View Post
I dumped the fluids in the t-case and diffs after a few thousand to get the metals out, smartest thing you can do to extend the life of them is change them a few times during early ownership.
Thats pretty much old school, not applicable to modern manufacturing methods.

I have a few buddies that never change diff or transfer case fluids and have 250,000+ miles without an issue. They don't tow or ford water either.

If you abuse your diffs, they won't last regardless of how often you change oil.

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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