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94 mazda b4000 diff fluid

Posted By: HyundaiAbuser

94 mazda b4000 diff fluid - 05/27/19 04:08 AM

Hey guys I'm looking to change the differential fluid in my 94 b4000 but I cannot find the owners manual. If y 'all have any suggestions as to what is oem or what can work that would be fantastic.
Posted By: cos

Re: 94 mazda b4000 diff fluid - 05/27/19 04:35 AM

From the Amsoil Lookup Guide: "GL-5 All TEMPS....80W-90"
Posted By: Chris142

Re: 94 mazda b4000 diff fluid - 05/27/19 05:07 AM

Isn't that just basically a ford ranger?
Posted By: oldhp

Re: 94 mazda b4000 diff fluid - 05/27/19 05:27 AM

Any 75W90 syn will work fine too.
Posted By: atikovi

Re: 94 mazda b4000 diff fluid - 05/27/19 12:23 PM

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and RTV for the cover

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Posted By: HyundaiAbuser

Re: 94 mazda b4000 diff fluid - 05/27/19 03:04 PM

thanks guys im planning on doing it when my rtv comes in tomorrow
Posted By: 01rangerxl

Re: 94 mazda b4000 diff fluid - 05/28/19 07:07 PM

80W90, but really anything that is GL5 gear oil is fine.

I have Sta-Lube 80W90 in the front and rear diffs on my '94 Ranger because it came in a convenient gallon jug. My '02 has synthetic Valvoline 75W90 in it. Ford specified 75W140 for many 8.8s, and I have used that too. I'm going to change the front & rear diff fluid in my '94 Explorer soon and will use whatever 80W90 I find in a gallon container...Coastal, Sta-Lube, etc.

If the truck has a limited slip diff, you need to make sure to use friction modified fluid or buy an additive. You can find out if it is limited slip from the axle code on the door jamb.
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