JAMES IS RIGHT , THERE IS NO WAY TO GET THE HEAD OFF WITH OUT REMOVING THE BELT, THIS IS A TWIN CAM ENG AND IT HAS TWO CAM PULLEYS ,, AND REPLACING THE ENG WITH A LIKE ONE IS ABOUT THE ONLY CHOICE , AN ENG SWAP TO JUST ABOUT ANYTHING I AM AFRAID IS GOING TO BE EXP.. THE 98-2003 RODEO AND THE AMIEGO USE THE SAME 4CYL ENG.. JERRY