Gear oil question

[MOJAVEC22]

Thanks, that's the way I was leaning so will just go with the 75w140,
Cheers

How’s it been with the 140? Did you do that in the front and rear? I’m about to purchase some redline 75w140 but now wondering if I should put 75w90 in the front diff or just 140 in both.

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[jc99]

How’s it been with the 140? Did you do that in the front and rear? I’m about to purchase some redline 75w140 but now wondering if I should put 75w90 in the front diff or just 140 in both.

Haven't got around to changing it yet since dealer did one free change for me (they wouldn't have put in 140). I'll just be doing the 140 in the rear.

 

[MOJAVEC22]

Haven't got around to changing it yet since dealer did one free change for me (they wouldn't have put in 140). I'll just be doing the 140 in the rear.

Just bought 2 quarts of redline 75w140 and 1 75w90. Will do the rear 140. Front will get the 90 then topped off with what’s left of the 140 from the rear. Researched some other guys on the wrangler forum doing that so figured I’d do it since it’ll only take less than 3 quarts total.

I’m going to score some redline C+ ATF for the transfer case. Been a fan of redline since I used it in my old 91 mr2 turbo and current 91 Toyota pickup.

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