ive done a lot of these now, toyota say to put a wee bit of silicone at the corners where the gasket goes over the cam humps. personally ive never used it, just made sure both mateing surfaces are spotless. disconect the throttle body, 4x 12mm head bolts, disconect the throttle cable support and holder too, to remove the intake there are 7 i think 12mm head bolts and nuts holding it on, theres a few pipes and wires too, pictures will help. when all thats out of the way the rear screw bolts will be seen, these i find easy to remove/install with a 1/4 drive socket set with a swivel joint, the rest are handy with a screwdriver. you will also have to loosen the 2 10mm bolts on the wire cover going to the alt to enable that to be lifted so the cover can be removed. when you have the cover of you will see the gasket track, i use cotton buds and white spitit or petrol to clean this, you will probly find the centre gasket will crumble in your hand while the outer gasket will still appear new. make sure the surface on the head is spotless too, i use a wee 1/2" scraper and kitchen roll for this. when you come to re-fitting the screw bolts put them all in hand tight then(my method)start to nip them up from the rear to the front, i work from left to right and once they are all hand tight i will go over them again and give them A FINAL 1/4 TURN to finish