One year with Motul Gear 300 in my MT (1993 Nissan D21 Hardbody). I switched because cold weather shifting was pretty miserable. A year and ~20,000 miles later, I have a noisy bearing. Shifting great, but a noisy bearing. I will be having the necessary repairs made soon and need to decide what to use. The Motul is GL-4, GL-5. The recommendation for my MT is GL-4.
To be fair, the truck has 321,000 miles on it and I had a bearing go south probably around the 150,000 mile mark, +\- 25K. Don't remember exactly.
The conundrum: The Motul absolutely cleared up the knotchy (and beyond knotchy) cold shifting issue. I have been loving it.
However, I'm now questioning if the GL-4/5 Motul contributed to the bearing going down. I want to think that if this was oil-related with soft metal damage I would have shifting issues, which I do not. I am far from a mechanic and I simply don't know the answer to this question, so I give it to you guys.
If the recommendations lead me to choosing a strictly GL-4, I am leaning toward Amsoil because it had the lowest temperature pour point (not as low as the Motul, but the lowest of the GL-4s) that I could find. My issue was primary a cold weather issue. Does that make sense with regards to pour point, or do I misunderstand what that means ?
Thank you.
To be fair, the truck has 321,000 miles on it and I had a bearing go south probably around the 150,000 mile mark, +\- 25K. Don't remember exactly.
The conundrum: The Motul absolutely cleared up the knotchy (and beyond knotchy) cold shifting issue. I have been loving it.
However, I'm now questioning if the GL-4/5 Motul contributed to the bearing going down. I want to think that if this was oil-related with soft metal damage I would have shifting issues, which I do not. I am far from a mechanic and I simply don't know the answer to this question, so I give it to you guys.
If the recommendations lead me to choosing a strictly GL-4, I am leaning toward Amsoil because it had the lowest temperature pour point (not as low as the Motul, but the lowest of the GL-4s) that I could find. My issue was primary a cold weather issue. Does that make sense with regards to pour point, or do I misunderstand what that means ?
Thank you.