2002 Lincoln LS THERMOSTAT REPLACEMENTS INSTRUCTIONS

REMOVAL AND INSTALLATION Thermostat Housing - 3.0L Removal Drain the engine cooling system. For additional information, see COOLING SYSTEM DRAINING, FILLING AND BLEEDING. Remove the air cleaner outlet tube. Disconnect the hose. Fig. 36: Disconnecting Hose Courtesy of FORD MOTOR CO. Disconnect the hose. Fig. 37: Disconnecting Hose Courtesy of FORD MOTOR CO. Disconnect the hose and remove the thermostat housing assembly. Fig. 38: Disconnecting Hose Courtesy of FORD MOTOR CO. Remove the bolts, separate the housing and remove the thermostat and seal. Fig. 39: Separating Housing Courtesy of FORD MOTOR CO. Installation NOTE:Clean all the sealing surfaces and inspect the O-ring seals thoroughly. To install, reverse the removal procedure. Thermostat Housing - 3.9L Removal Drain the engine cooling system. For additional information, see COOLING SYSTEM DRAINING, FILLING AND BLEEDING. Remove the intake manifold. For additional information, see INTAKE MANIFOLD . Remove the nuts and remove the bracket. Fig. 40: Removing Bracket Courtesy of FORD MOTOR CO. Remove the stud bolts. Fig. 41: Removing Stud Bolts Courtesy of FORD MOTOR CO. Disconnect the lower radiator hose from the thermostat housing. Fig. 42: Disconnecting Lower Radiator Hose Courtesy of FORD MOTOR CO. Remove the bolts. Fig. 43: Removing Bolts Courtesy of FORD MOTOR CO. Remove the thermostat housing cover. Fig. 44: Removing Thermostat Housing Cover Courtesy of FORD MOTOR CO. Disconnect the hoses. Fig. 45: Disconnecting Hoses Courtesy of FORD MOTOR CO. Remove the coolant outlet pipe. For additional information, see COOLANT OUTLET PIPE - 3.9L. Remove the four bolts and the thermostat housing. Fig. 46: Removing Thermostat Housing Courtesy of FORD MOTOR CO. Installation NOTE:Clean all the sealing surfaces, and inspect the O-ring seals thoroughly. To install, reverse the removal procedure. Thermostat - 3.9L Removal & Installation Remove thermostat housing cover. For additional information, see THERMOSTAT HOUSING - 3.9L. Remove Thermostat and O-ring. Fig. 47: Removing Thermostat Courtesy of FORD MOTOR CO. NOTE:Clean and inspect the O-ring seal thoroughly. To install, reverse the removal procedure