75W/85 in the manual transmission. 75W/90 will be OK. (maybe a bit of a stiff shift in winter).
Transfer case and rear diff need a EP oil suitable for Hypoid gearsets. An incorrect grade of oil will cause serious damage quikly. Use 80W/90 EP or 90 EP.
The AYC section in the rear diff needs ATF MM SP3. The boot resivoir for the AYC pump also uses this oil.
Mixng up the oils ie. wrong stuff in wrong hole will be EXPENSIVE.
Experimenting with the oils can also be expensive.
Transfer case and rear diff need a EP oil suitable for Hypoid gearsets. An incorrect grade of oil will cause serious damage quikly. Use 80W/90 EP or 90 EP.
The AYC section in the rear diff needs ATF MM SP3. The boot resivoir for the AYC pump also uses this oil.
Mixng up the oils ie. wrong stuff in wrong hole will be EXPENSIVE.
Experimenting with the oils can also be expensive.