I'm not sure about the Gen II, but in my Gen III you can get to it from the bottom. It's a pretty involved project.

You have to drop the front diff. to get at it, but that's much easier than pulling the engine.

Good Luck

'02 Montero: OME suspension, ARB front bumper, homemade skid plates & spare tire Blitz can mount, extended diff. breather, K&N air filter, Optima Yellow Top, BajaRack, IPF lights, Goodyear Duratrac 265/75/16's, RUD 4x4 Grip chains