For 1990-2009 cars

1. Remove the thermostat cover bolts.
2. Remove the thermostat cover.
3. Remove the thermostats with seals.
4. Remove the heater pipe to thermostat housing bolt.
5. Remove the heater pipe.
6. Remove the heater pipe O-ring and discard.
7. Remove the fuel pipe to thermostat housing bracket bolt.
8. Remove the thermostat housing bolts and nuts from the left cylinder head.
9. Remove the thermostat housing bolts and nuts from the right cylinder head.
10. Remove the bypass pipe to water pump bolts.
11. Loosen hose clamp and remove the turbocharger coolant outlet hose from the bypass pipe.
12. Remove the thermostat housing with the bypass pipe.
13. Remove the bypass pipe to water pump O-ring and discard.
14. Remove the bypass pipe from the thermostat housing.
15. Remove the O-ring from the bypass pipe and discard.
16. Remove the turbocharger coolant outlet pipe bracket bolts.
17. Remove the turbocharger coolant outlet pipe.
18. Disconnect the oil pressure sensor connector.
19. Remove the ground bolt from the left side of the block.
20. Remove the oil level sensor harness.