Andrew,
Thanks for your reply. I have an email in to Redline to find the
nearest dealer to me.
I'm also going to do the front and rear diffs while I'm at it (using
75W90 w/ Mopar friction modifier).
Would you recommend pulling the covers off the differentials or using a
pump to change the oil?
Thanks,
Chris
Aajaynefour@cs.com wrote:
>Chris,
>
>I researched this issue before I changed my NV3500 oil. I ended up using a
>mixture of Redline MTL and Mopar MTL. The exact mix was 25% Redline MTL, 25%
>Redline MT-90, and 50% Mopar MTL. The mixture color looks very close in
>color to 100% Mopar MTL especially after a few hundred miles. I was glad I
>did this as the original gear oil was full of metal shavings and junk. I
>highly recommend a service interval for the NV3500 and 10 - 12,000 seems to
>be a good number of miles. The shifting did get smoother. A synthetic might
>work well in a colder climate as it tends to have a greater ability to flow
>at lower temps. Check out Redlines web site for more info.
><www.redlineoil.com>
>
>In retrospect, I should have just put a 100% mixture of Redline MTL in the
>transmission with the intention of changing back to Mopar MTL if I any
>warranty issues came up. Changing the gear oil is actually pretty quick and
>easy with a hand operated oil pump. The main issue with Mopar MTL (a GL-4
>gear oil) is that it does not contain reactive sulfur which can corrode brass
>and bronze components in the transmission.
>
>Good luck,
>Andrew
>
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