Withdrawal
1. Drain the engine coolant.
2. Remove the air cleaner housing assembly.
3. Remove the harness bracket A, and coat the air fuel ratio sensor connector (A/F) and secondary heated oxygen sensor connector (secondary HO2S) tape to protect the connectors from coolant, then remove the lower radiator hose B, water bypass hoses C, and radiator hose D.
4. Remove the EGR pipe (EGR).
5. Disconnect the EGR connector.
6. Remove the thermostat housing.
7. Remove EGR valve A, thermostat cover B and thermostat C itself.
Installation
1. Install new rubber seal A in thermostat, then install thermostat B pin up C and thermostat cover D.
2. Install the EGR valve E with a new gasket F.
3. Install thermostat housing A with new gasket B and O-ring C.
4. Connect the EGR connector.
5. Install EGR pipe A with new gaskets B.
6. Install lower radiator hose A, heater hose B, and coolant bypass hoses C, then install harness bracket D.
7. Install the air cleaner housing assembly.
8. Fill the radiator with coolant and bleed air from the cooling system with the heater valve open.