D 44 closed knuckle question
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From: Just north of DC
D 44 closed knuckle question
I have a Dana 44 closed knuckle axle and was wondering if oil can travel from the differential housing through the axle shaft tube and into the knuckle housing?
I noticed the fluid quantity specification for the front axle has two amounts listed, one with knuckle and a lesser amount without knuckle.
Also, each knuckle has its own filler plug.
When I first got my truck I was going over all the fluid levels and found both knuckles to be wanting oil but the differential level was okay.
My knuckle seals are damp but not dripping so I consider them usable.
The rear is a dana 60 full floating axle, and as I discovered when replacing a leaking seal, differential oil makes its way out to lubricate the wheel bearings.
Thanks for your input.
Ulfie
I noticed the fluid quantity specification for the front axle has two amounts listed, one with knuckle and a lesser amount without knuckle.
Also, each knuckle has its own filler plug.
When I first got my truck I was going over all the fluid levels and found both knuckles to be wanting oil but the differential level was okay.
My knuckle seals are damp but not dripping so I consider them usable.
The rear is a dana 60 full floating axle, and as I discovered when replacing a leaking seal, differential oil makes its way out to lubricate the wheel bearings.
Thanks for your input.
Ulfie
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Senior User
Joined: Jul 2015
Posts: 132
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From: Just north of DC
To correct a deficiency of mine to put thought down on paper,(computer).
What I am asking is or does the the closed knuckle D 44 have seals in the axle tubes and does the differential openly communicated its gear oil with the knuckles?
Thanks again
Ulfie
What I am asking is or does the the closed knuckle D 44 have seals in the axle tubes and does the differential openly communicated its gear oil with the knuckles?
Thanks again
Ulfie
Logistics Pro
Joined: Feb 2011
Posts: 3,522
Likes: 11
From: Townsend, MT
It does have seals inside the axle tubes (actually in the pumpkin itself).
If he seals are bad, the differential oil will run to the knuckles, which will leak out through the knuckle seals.
Keep an eye on the differential oil level. If it won't hold, you will need to pull the axle shafts and carrier and install new seals. If your knuckles leak, you can get new "seals" for them, but they will still seep most likely. I just run corn head grease in my knuckles because I can't seem to make them hold 80w-90 (or 85-140).
If he seals are bad, the differential oil will run to the knuckles, which will leak out through the knuckle seals.
Keep an eye on the differential oil level. If it won't hold, you will need to pull the axle shafts and carrier and install new seals. If your knuckles leak, you can get new "seals" for them, but they will still seep most likely. I just run corn head grease in my knuckles because I can't seem to make them hold 80w-90 (or 85-140).
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