REAR DIFF SERVICE

[In3briatedPanda]

Look for a 75W-90 GL-5 gear oil. That will open up a lot more options.

i can get this at work for 9.42 a quart. kudos!

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[Ted Striker]

I looked into the one from Mopar that is linked to my Vin but it is like $ 60 - $ 75 per quart.

DO NOT, I REPEAT - DO NOT buy this oil! Apparently, there is a mix up in the computer systems for Mopar parts ordering that lists some of our VINs needing this expensive Mopar synthetic ZF-ELSD gear oil. This gear oil got put in my Gladiator recently due to this incorrect information and it made a horrible grinding noise every time I turned left or right. It is not even close to being the correct gear oil for our trucks. I had it replaced with Mopar synthetic 75w85 and the friction modifier and the grinding noise went away immediately.

 

[MaysvilleStig]

I use Amsoil 75w-90 severe gear.

 

[just_another_guy]

DO NOT, I REPEAT - DO NOT buy this oil! Apparently, there is a mix up in the computer systems for Mopar parts ordering that lists some of our VINs needing this expensive Mopar synthetic ZF-ELSD gear oil. This gear oil got put in my Gladiator recently due to this incorrect information and it made a horrible grinding noise every time I turned left or right. It is not even close to being the correct gear oil for our trucks. I had it replaced with Mopar synthetic 75w85 and the friction modifier and the grinding noise went away immediately.

Do you happen to have a lsd in your rear axle?

 

[Ted Striker]

Do you happen to have a lsd in your rear axle?

I have the Trak-Lok LSD in my rear axle. The ZF-ELSD fluid that is $60/quart is for electronic LSDs.

 

[Mr Weekend]

Thanks for all the info on differential servicing. I have been researching more options for my upcoming servicing. I will probably use REDLINE or ROYAL PURPLE, both are GL-5 they both seem to be great options and they both have friction modifiers in them. My Gladiator Sport has the Command Trac / open differential.

 

[Escape.idiocracy]

Thanks for all the info on differential servicing. I have been researching more options for my upcoming servicing. I will probably use REDLINE or ROYAL PURPLE, both are GL-5 they both seem to be great options and they both have friction modifiers in them. My Gladiator Sport has the Command Trac / open differential.

Bob is the oil guy is a great website to look up/check out fluid analysis- redline is good stuff, haven’t seen a bad report on any of their fluid- usually just below amsoil and saves a few bucks.

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