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 Diff oil and type | Joined: Feb 2019 Posts: 80 journeyman | OP  journeyman Joined: Feb 2019 Posts: 80 | 93 Chevy G20
What type of differential is this? And anyone recommend gear oil? I'm doing the axle seal this weekend and want to change it while im there
leaning towards 75w-90
Thanks
Last edited by Lister; February 28th 2019 4:38 pm.
![[Linked Image]](https://i.imgur.com/V54kPWN.jpg) 93 Chevy G20 Explorer
| | |  Re: Diff oil and type | Joined: Sep 2005 Posts: 9,877 Likes: 241 carpal tunnel | | carpal tunnel Joined: Sep 2005 Posts: 9,877 Likes: 241 | A GL-5 rated 80w90 should be fine for open diff gears. IMO. You can buy the 75w90 as well, a little extra insurance. Don't buy the store brand ........ 
Last edited by CatFish; February 28th 2019 4:42 pm.
| | | Re: Diff oil and type | Joined: Jan 2001 Posts: 2,969 Likes: 64 veteran | | veteran Joined: Jan 2001 Posts: 2,969 Likes: 64 | I just changed the rear diff fluid on an 04 Tahoe, used Valvoline 75w90. They make some hi-tech fluids now that are more expensive, and if I didn't have 200,000 miles on the vehicle, I may of went with one of them brands. | | | Re: Diff oil and type | Joined: Nov 2013 Posts: 3,692 Likes: 32 pooh-bah | | pooh-bah Joined: Nov 2013 Posts: 3,692 Likes: 32 | Do you have your owner manual lister? I'd stick with the manufacturer's recommendation myself. | | | Re: Diff oil and type | Joined: Feb 2019 Posts: 80 journeyman | | OP journeyman Joined: Feb 2019 Posts: 80 | yeah I'll get one sorry, I know the answers to most of the questions I ask are in there. Will do
93 Chevy G20 Explorer
| | | Re: Diff oil and type | Joined: Nov 2013 Posts: 3,692 Likes: 32 pooh-bah | | pooh-bah Joined: Nov 2013 Posts: 3,692 Likes: 32 | Oh, nothing wrong with asking. Ask away! I just think they are handy to have. | | |
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