If it's the 3.1L, may have to use a short socket and swivel to go under the vrossover for the exhaust or remove it completely. Either way, here's a link to try to help.....http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?chapterTitle=Engine+Mechanical&partName=Engine+And+Engine+Overhaul&pageId=0900c15280268f54&subChapterTitle=Thermostat&partId=0900c15280268e48
