Limited slip maintenence

[clazar]

I'm going to change the rear diff oil. After getting the old oil out, how should go back in. And how much additive goes in for the limited slip ???


Chuck

 

[AR67GTX]

I usually filled it up to just below the plug which was something like just short of 2 bottles I think from memory. I usually just put in one small bottle of GM friction modifier since a lot of the differential lubes anymore say they already contain friction modifiers for limited slip applications.

 

[clazar]

I usually filled it up to just below the plug which was something like just short of 2 bottles I think from memory. I usually just put in one small bottle of GM friction modifier since a lot of the differential lubes anymore say they already contain friction modifiers for limited slip applications.

I have a bottle of Mopar additive. I didn't know if the whole bottle goes in or just a portion of it.

Chuck

 

[moparnation74]

Whole bottle

 

[Daves69]

since a lot of the differential lubes anymore say they already contain friction modifiers for limited slip applications.

FWIW, Mobil 1 LS touted "Excellent limited-slip performance. Reduced chatter and improved traction".
Didn't work for my corporate 9.25" Had to drain some out and add the Mopar Friction Modifier which did work.

 

[mentor70]

and dont forget to savor that aroma!

 

[Dennis H]

None in the Dana. No chatter so no need for the additive. IIRC there is Royal Purple Syncro in it.

 

[Daves69]

and dont forget to savor that aroma!

Lol, I remember a maintenance person that was changing a ram alignment key on 500 ton press where I worked. His head and one arm in the "crown" access to work on it. A couple minutes later he pulls himself out of it and starts throwing up all over. That gear lube odor/fumes is some nasty stuff!