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FF front diff fluid, 2016 Suburban, 7k miles #4352600
03/13/17 09:48 AM
03/13/17 09:48 AM
Joined: Dec 2002
Posts: 1,693
North Carolina
Rat407 Offline OP
Rat407  Offline OP

Joined: Dec 2002
Posts: 1,693
North Carolina
I sent this off when I changed the fluid out of our 2016 Suburbans front diff. It had 7k miles on it and I switched it over to AMSOIL's Severe Gear 75w-90.

The fluid looked like this when I drained it.



Here is what Blackstone had to say.



2002 Silverado 5.3 0w-20 AMSOIL
Re: FF front diff fluid, 2016 Suburban, 7k miles [Re: Rat407] #4352669
03/13/17 11:28 AM
03/13/17 11:28 AM
Joined: Apr 2016
Posts: 1,424
KS
FordBroncoVWJeta Offline
FordBroncoVWJeta  Offline

Joined: Apr 2016
Posts: 1,424
KS
7K miles on the factory fill? There are many trucks that never change the diff oil and have 250K plus. I would have at least waited to 100K. This just sounds like overkill.


2017 Volkswagen Jetta 1.4T - 2015 Honda CRV 2.4 - 2012 Volkswagen Jetta 2.0 - 2007 Chevy Trailblazer 4.2 - 2003 Ford Taurus 3.0 Vulcan
Re: FF front diff fluid, 2016 Suburban, 7k miles [Re: FordBroncoVWJeta] #4352752
03/13/17 01:09 PM
03/13/17 01:09 PM
Joined: Oct 2014
Posts: 4,557
Utah
CKN Offline
CKN  Offline

Joined: Oct 2014
Posts: 4,557
Utah
Originally Posted By: FordBroncoVWJeta
7K miles on the factory fill? There are many trucks that never change the diff oil and have 250K plus. I would have at least waited to 100K. This just sounds like overkill.



Welcome to BITOG. There is a MASSIVE AMOUNT of "over maintenance" going on here. I towed a 5,500 pound travel trailer all over the country in my Silverado 5.3-6 speed transmission. At 50,000 miles (the vast majority of those miles were towing) I changed both my transmission fluid and differential. Both still visually looked good.



So yea-your right.

Re: FF front diff fluid, 2016 Suburban, 7k miles [Re: Rat407] #4352870
03/13/17 03:43 PM
03/13/17 03:43 PM
Joined: Mar 2010
Posts: 1,440
Michigan
BobsArmory Offline
BobsArmory  Offline

Joined: Mar 2010
Posts: 1,440
Michigan
My 2009 Silverado looked just like that when I originally drained the frond Diff. I always wondered if it was moisture contamination since it rarely got up to operating temp. That said, the 2nd time I did a drain and fill, it wasn't milky. I wonder if they had a lithium base in the factory fill.

Things that make you go Hmmm.....

Last edited by BobsArmory; 03/13/17 03:44 PM.

Keeping the forces of evil at bay
2016 Chevy Malibu LT 1.5 Liter Turbo
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Re: FF front diff fluid, 2016 Suburban, 7k miles [Re: Rat407] #4352897
03/13/17 04:13 PM
03/13/17 04:13 PM
Joined: Dec 2002
Posts: 1,693
North Carolina
Rat407 Offline OP
Rat407  Offline OP

Joined: Dec 2002
Posts: 1,693
North Carolina
I did it to see how it would turn out. I knew it was good. I also change out all the FF before 10k. Just the way I do things. I don't have a life, no hobbies. Considering what one spends on sports, fishing, hunting and such, mine is UOA's.


2002 Silverado 5.3 0w-20 AMSOIL
Re: FF front diff fluid, 2016 Suburban, 7k miles [Re: Rat407] #4354988
03/15/17 09:57 PM
03/15/17 09:57 PM
Joined: Jun 2002
Posts: 20,126
Iowegia - USA
MolaKule Offline
Global Moderator
MolaKule  Offline
Global Moderator

Joined: Jun 2002
Posts: 20,126
Iowegia - USA
Originally Posted By: Rat407
I did it to see how it would turn out. I knew it was good. I also change out all the FF before 10k. Just the way I do things...


I think that is a wise practice.

Last edited by MolaKule; 03/15/17 10:01 PM.

Infinity is a rather long time - especially towards the end. smile
Re: FF front diff fluid, 2016 Suburban, 7k miles [Re: Rat407] #4893991
10/11/18 02:04 PM
10/11/18 02:04 PM
Joined: Oct 2014
Posts: 13,804
Canyon County Idaho
CT8 Offline
CT8  Offline

Joined: Oct 2014
Posts: 13,804
Canyon County Idaho
Titanium compound to mark the ring gear pattern. when the diff is set up


2015 F150 2.7
2018 F350 6.2
Re: FF front diff fluid, 2016 Suburban, 7k miles [Re: Rat407] #4893993
10/11/18 02:05 PM
10/11/18 02:05 PM
Joined: Oct 2014
Posts: 13,804
Canyon County Idaho
CT8 Offline
CT8  Offline

Joined: Oct 2014
Posts: 13,804
Canyon County Idaho
I do an early change on every vehicle I buy then go on the factory interval'


2015 F150 2.7
2018 F350 6.2
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