Compression Ignition Addict
Join Date: Feb 2009
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Front and Rear Differential Fluid Change?
I need to change the fluids in my front and rear diffs mainly because the rear is leaking right now. I have been doing some searching and I have found that I should be using 75w140 gear oil but I am wondering which one would be the best. I have no idea what rear diff I have or if it has a limited slip because the idiot that owned the truck before me replaced the rear diff cover with an aftermarket aluminum one and didn't bother to put the tags back on. Anyways, I was just wondering what you guys use and if there was anything I need to watch out for while I am changing them. This will be my first time performing this task, so any info at all is greatly appreciated. Thanks everyone!
Also, can those of you that choose other in the poll above please post your recommendation? Thanks!
2016 F-350 CCSB FX4 Platinum 6.7L
2002 F-250 CCSB 4x4 XLT 7.3L (SOLD)
Last edited by Piraya33; 02-23-2010 at 06:20 PM.