Question about 1998 Ford Explorer

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What is a good synthetic diff fluid for 98 explorer 4X4 and a 98 ranger2X4? and what quantity should I purchase for each I am replacing both covers?

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RedLine makes very good differential fluids.The fluid in the rear differential is going to be 75w140 and as far as the front differential,I would check with the parts store for that.It could be 75w90 or 75w140. You should get about 2 quarts of fluid for each differential.The transfer case is going to use Mercon V(5).About 2 quarts for that as well.

Posted on Oct 15, 2010

  • Larry Kappenman
    Larry Kappenman Oct 18, 2010

    Also for the rear differential, check to see if it requires a limited slip additive.



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