discojoe Posted October 27, 2006 Share Posted October 27, 2006 got a 91 disco 200tdi heater wont work does anyone know why i had it working then it just stopped there was a smell of burning but dont know if it was heater it looks fine just wont work know Quote Link to comment Share on other sites More sharing options...
B90 Posted October 28, 2006 Share Posted October 28, 2006 Could be the switch as well, although burning smell = not good. Quote Link to comment Share on other sites More sharing options...
Andy Posted October 28, 2006 Share Posted October 28, 2006 enjoy, if its the motor you need the whole dash out to get to it. there is a relay in the drivers footwell, cant remember which one it is though. Quote Link to comment Share on other sites More sharing options...
discojoe Posted October 28, 2006 Author Share Posted October 28, 2006 i have had a look today stripped the switch out it had melt marks on 2 terminals i trust this is the problem but would it be faulty switch caused the melted wires or somthing else Quote Link to comment Share on other sites More sharing options...
LR90 Posted October 28, 2006 Share Posted October 28, 2006 Maybe check the feed hasn't gone to ground for some reason (chaffed or trapped). Other possibility is the fan has seized, don't know what you do with your Disco but if you go wading and start puling mud and water through the heater is doesn't do the fan bearings any good. Quote Link to comment Share on other sites More sharing options...
discojoe Posted October 28, 2006 Author Share Posted October 28, 2006 no not been wading if fan has seized would it mean removing dash Quote Link to comment Share on other sites More sharing options...
LR90 Posted October 28, 2006 Share Posted October 28, 2006 Probably. I'd just stick some power to it and see what happens. If its good its good and you can get on and replace that switch. Check for shorts first though. Quote Link to comment Share on other sites More sharing options...
Andy Posted October 28, 2006 Share Posted October 28, 2006 to get the fan motor out you need to get inside the heater box. to get to the heater box you need to remove the dash. when i ripped my heater apart to find why it didnt work it took about 4 hours to get the dash out, strip the heater & find no faults - trace wiring & discover the relays in the drivers kick panel, curse a lot & refit everything. Quote Link to comment Share on other sites More sharing options...
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