Amsoil in Auto-Trak Transfer Case

[wkdivr]

Which Amsoil product is recommended for use in the GM Auto-Trak Transfer case?

 

[Pablo]

Which vehicle and what year?

 

[wkdivr]

04 GMC Z71

Also, which lube would be best for the front diff?

 

[Brett Miller]

None, they take a dealer only fluid.

 

[Pablo]

Quote:

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04 GMC Z71

Also, which lube would be best for the front diff?

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If it's a NVG 246-NP8 case - yep Brett is correct, there is no fluid from Amsoil. And probably in a Z71, GM used the NVG 246-NP8. (NVG 263-NP1 and NVG 261-NP2 use ATF)

For the front diff I recommend:

Amsoil Severe Gear 75W-90