For 1990-2009 cars

1. Remove the 2 thermostat housing bolts (4).
2. Remove the thermostat housing (3).
3. Remove the thermostat housing gasket (5).
4. Remove the thermostat (2) from the intake manifold (1).
5. Remove the coolant temperature sensor (1).
6. Remove the intake air pressure and temperature sensor bolt (3).
7. Remove the intake air pressure and temperature sensor (2).
8. Remove the intake air pressure and temperature sensor gasket (4).