drain the coolant. from the block. follow the lower radiator hose to the engine. there youll find the thermostat housing. its 2 10mm bolts to remove it. after you pull that off youll see the thrmostat. put the new one in the same way the old one comes out. oh and the intake will be nin the way so youll have to remove that too refill the coolant and dont forget to bleed the system.