Vehicle & Technical > Discovery

I NEED HEAT!!!

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Evilgoat:

--- Quote from: "whitewolf" ---The journey is 15 miles with some good hills to get things working.

Spent ages bleeding the system through both the top of the rad and the header tank,the water running from the bleed plug on the rad was free from bubbles.
 level is currently high in the header tank.
--- End quote ---


You didnt say what engine. From experience this isnt that uncommon on a 200TDi.

I guess theres is the whole replacing the fan or preheaters like the Webasto if needs be. How about the viscous coupling on your fan, is it seized? If it is it'll be overcooling and may never actually warm up. You should be able to move the fan on a cold engine reasoably easilly. If it wont budge at all its probobly seized up.

whitewolf:

--- Quote from: "L90OOK" ---Is the top rad hose getting hot?
If not I'd suggest the thermostate is stuck open.
What engine is it?
--- End quote ---


Top hose is getting fairly warm, has a new stat fitted, and its a 200 tdi, sorry.

whitewolf:
Sorry, should have said its a 200 tdi.

The viscous fan seems to be free when cold, certainly not seized.

I had expected chilly winter from a diesel landy( my defender was awful!) but this is seriously cold.....there really should be more comming out :roll: , eskimo suit may be in order eh?

Would fitting an electric fan make any difference?

L90OOK:
Fairly warm isn't hot enough  :lol:
I'd do as Evilgoat says & try turning the fan when cold...it should spin fairly easily.
If it doesn't then it's seized therefore overcooling the engine.  You can normally hear seized fans too...sounds like an aircraft when you rev the engine.
If the fan is ok then I'd go for the thermostate stuck open.
You could put something in front of the radiator to stop the ram air cooling effect to the radiator

Evilgoat:
ISTR that I've seen pics of Serenity when Niel owned her with a 'blind' on the grille to do just this.

Electric fan would help as I said as it would allow you to raise the point it kicked in and prevent overcooling. However I'd try and find out why you are having the issue first. Stone cold means something isnt right. If the top hose is hot them you may have a blockage or soemthing in the heater controls isnt doing its job. Try and find the hoses where they pass through the bulkhead (Sorry I dont know where this is) and see if they are warm.

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