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-   -   Is this oil safe to use? (https://www.jeepscanada.com/jeep-cherokee-forum-11/oil-safe-use-124804/)

CTSHIRT 04-18-2013 10:03 AM

Is this oil safe to use?
 
Hi all, I have 3-4 year old unopened royal purple 75w90 and Mobil ATF sitting in my garage from my 91 XJ. I want to change my diffs and transfer case fluid after work but I want to confirm these are 1. not to old, 2. still the correct fluid for my 99'.

I have read mixed reviews on the type but most say unopened bottles shouldn't be a concern unless they are very old.

Cheers

AutoJunkieMan 04-18-2013 11:41 AM

Re: Is this oil safe to use?
 

Originally Posted by CTSHIRT (Post 566754)
Hi all, I have 3-4 year old unopened royal purple 75w90 and Mobil ATF sitting in my garage from my 91 XJ. I want to change my diffs and transfer case fluid after work but I want to confirm these are 1. not to old, 2. still the correct fluid for my 99'.

I have read mixed reviews on the type but most say unopened bottles shouldn't be a concern unless they are very old.

Cheers

From what I read oil doesn't go bad if it's not exposed to the air. You should be ok there if it's been sealed.

salad 05-03-2013 10:02 PM

Re: Is this oil safe to use?
 
+1. I wouldn't be really worried about quality synthetics in unopened bottles degrading unless you cooked them or something.


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