Thermostat Replacement
  1. Drain the engine coolant.
  1. Remove the harness clamp.
  1. Remove the lower radiator hose, then remove the thermostat cover and thermostat.
  1. Install the thermostat with a new rubber seal, then install the thermostat cover and harness clamp.
  1. Install the lower radiator hose.
  1. Refill the expansion tank with engine coolant, and bleed air from the cooling system with the heater valve open.