[lam7r]

Its something to do with the resistors that control the heating. Something was posted on here about a week or so ago about it. MG use cheap ones, easy to replace i recall.

Using a search should bring up something. Search heating and resistor or something like that

 

[lam7r]

Here it is m8, try this

http://forums.mg-rover.org/showthread.php?t=50544&highlight=fan+resistor

Erm wrong one...looking for right one now :S

 

[lam7r]

Ok here is the thread :

http://forums.mg-rover.org/showthread.php?t=45618&highlight=fan+resistor

Also highlighted by SF in the thread is this webby where you can get info - Praise be to andy

http://www.mgfcar.de/heater/heater.htm