How often do I change differential oil?
12-01-2013, 04:21 PM
#1
Junior Member
Thread Starter
How often do I change differential oil?
So I bought my 1984 F150 a couple months ago and did all of the regular maintenance. But I occurred to me that I didn't do anything about lubing the 4x4 linkage. I've recently actually engaged 4 wheel drive for the first time and there was a little more mechanical noise than I feel is normal.
How often should I pop those differentials open and change their oil? And should I have done that already, not knowing when the last guy might have done it last, or is there a way to check the quality of it?
How often should I pop those differentials open and change their oil? And should I have done that already, not knowing when the last guy might have done it last, or is there a way to check the quality of it?
12-14-2013, 10:25 PM
#5
Senior Member
Its not incredibly expensive to do unless you buy Royal Purple for it, so I'd do it ASAP.
I usually do mine every 50k miles or anytime I submerge the rear in water for more than a couple seconds (only happened once so far).
If its milky or white, change it ASAP that's usually a sign of water. Dark is bad but its not as urgent as water issues.
I usually do mine every 50k miles or anytime I submerge the rear in water for more than a couple seconds (only happened once so far).
If its milky or white, change it ASAP that's usually a sign of water. Dark is bad but its not as urgent as water issues.