S
stevetheweave1
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- Last seen
- Joined
- Oct 5, 2020
- Thunderbird Year
- 1964
I pulled fill plug In differential and oil coming out was so thick it looked like growing stalagtite. My vacuum oil remover would not even remove any of it. Yes I realize it is winter but temperature was 55° today and rear end was not cold soaked. I have used 500 weight oil in my wife’s model a pick up truck steering box but this was far thicker than that. If I ever do get oil out should I put 80/90 weight oil back in or I saw another recommendation of using hypoid oil which is what I use in my outboard motor lower unit. Rock auto listed a friction modifier for the rear end oil, I do not think it is needed because there are no clutches and I am I right? Thanks stay vigilant.