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Getting ready to change the Diff and Xfer case fluids on wife's 2015 Lux with Locking Diff (HD Pkg), what fluids are you guys using for the rear locking diff, front open diff, and xfer case?
I’m not really sure why it’s such a task to purchase this stuff. It was frustrating enough finding the right information, nevermind finding it in stock or even getting websites to be clear about whether it’s the right stuff or not.
I finally found a website selling everything I needed at a reasonable price with everything in stock…
Done this a couple times on my 2012 LR4, open differential with:
CASTROL GEAR OIL 75W90 SYNTRAX LONGLIFE
Royal Purple-ROY01512 ROYAL PURPLE SYNCHROMAX QT. TRANSFLUID
Both fluids easy to get in stores or Amazon. The transfer case was an easy fill if you remove the heat shield. The front diff is easier to get to with driver wheel off.
Regarding the Transfer Case, spec calls for 1.5L, I was not able to get quite 1.5L in before it started running out, and I did not measure what came out as I was just going to put the spec amount back in. Now I wish I did.
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