Ford 2003 Mustang Workshop Manual page 1865

SECTION 303-03A: Engine Cooling
REMOVAL AND INSTALLATION
Thermostat —3.8L
Material
Item
Gasket Adhesive
TA-6 or equivalent
Motorcraft Premium Gold
Engine Coolant
VC-7-A (in Oregon VC-7-B)
(yellow color)
Removal and Installation
1. Drain the engine coolant. For additional information, refer to
and Bleeding in this section.
2. Disconnect the upper radiator hose from the coolant hose connection.
3. Remove the thermostat housing.
Remove the bolts.
4. Remove the thermostat.
Clean and inspect the water outlet connection.
Discard the thermostat gasket, and clean and inspect the mating surface.
Specification
WSS-M2G408-
A
WSS-M97B51-
A1
2003 Mustang Workshop Manual
Cooling System Draining, Filling