In 2WD the transfer case is a straight through drive. The chain is stationary, there are no gears under load.
The chain only spins with the front driveshaft when in 4WD.


Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.