you may have a bad thermostat,replace and see.
you probably have a leaking heater core....you can replace it or bypass it
Check the temperature gauge. If it is running cold, replace the thermostat.
No, a water heater cannot explode if it is turned off.
A strange smell from your heater could be due to dust burning off when the heater is turned on after a period of inactivity. It could also be caused by a buildup of dirt or debris in the heating system. If the smell persists or is accompanied by other symptoms, it is best to have a professional inspect and service your heater.
To replace the heater bulb on a Renault Trafic, first, ensure the vehicle is turned off and disconnect the battery for safety. Remove the dashboard panel or access cover to reach the heater assembly. Unscrew the old bulb from its socket, replace it with a new one, and reassemble the panel. Finally, reconnect the battery and test the heater to ensure it’s functioning properly.
The water heater is turned off to save energy and prevent overheating or potential damage.
have you checked the engine thermostat. I have a similar problem..no heat or air. according to a service manual there is a door at the heater core that is supposed to open when the heater switch is turned on. this could be the cause for both of our problems. any ideas for getting to the heater core?
Yes.
No.
Yes, it is recommended to turn off the water heater when the water is turned off to prevent damage to the heater and save energy.
To replace the light bulbs for the heater controls on a 2011 Renault Trafic, first, ensure the vehicle is turned off and the keys are removed. Carefully remove the surrounding trim or panel to access the heater control unit. Unscrew or unclip the heater control assembly, then replace the burnt-out bulbs by twisting them out and inserting new ones. Reassemble the unit and trim, ensuring everything is securely in place before testing the new lights.