The vehicle has over 200K on original radiator, coolant temp sensor and thermostat. Over the past few months the temperature is lower than normal and the hot side hose is not hard enough when driven to pressurize the systm. It could be very well be non-pressurized to my liking and wondering if its the thermostat, radiator cap or just the coolant temperature sensor.
Any ideas on why the coolant hoses are not pressurized when pressed by hands.
Any ideas on why the coolant hoses are not pressurized when pressed by hands.