Ford 2003 Mustang Workshop Manual page 1868

SECTION 303-03A: Engine Cooling
REMOVAL AND INSTALLATION
Thermostat —4.6L(2V)
Material
Item
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. Remove the bolts and coolant outlet connection.
3. Position aside the coolant outlet connection and the upper radiator hose.
4. Remove the thermostat and O-ring seal from the upper intake manifold.
Inspect the O-ring seal. Install a new seal if necessary.
Specification
WSS-M97B51-
A1
2003 Mustang Workshop Manual
Cooling System Draining, Filling