Got a chevy S-10 and i am changing out the differential fluid in it. Im going to be putting Castrol Synthetic 75w-90 in it and it says limited slip on the bottle in bold letters. My question is do i still need to add an additive ???????
do i have to add an additive to castrol synthetic limited slip differential fluid
Aug 28, 2013
2 Replies
First reply
No. The additive is to make differential fluid into limited slip differential fluid.
Read the full reply
No. The additive is to make differential fluid into limited slip differential fluid.
Thanks Clare i just wanted to make sure before i filled it all the way up. I just got through replacing the rearend differential after going down the interstate and having the old one lock up and bust a rather large hole in the differential housing and didnt want the same thing to happen to this one. Thanks Again
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