Focus L4-2.0L DOHC VIN 5 (2003)
5. Remove the thermostat housing retaining bolts.
6. Using the special tool, detach the coolant hose from the thermostat housing and remove the thermostat housing.
7. Remove and discard the O-ring seal.
Installation
1. NOTE: Install a new O-ring seal.
To install, reverse the removal procedure.
2. Fill and bleed the cooling system.