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20th June 2018, 20:14 | #1 |
Posted a thing or two
Rover 75 CDTI connoisseur SE auto, 2004 Join Date: Sep 2008
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Heater not working
Hi,
I think based on the symptoms on what I have read here on the forum that my heater transistor may need replacing. I say this as the fault has been intermittent, heater/air con will sometimes not work despite what you press on the panel control. Other times it comes to life. So if it is the transistor on my CDTI then where do I get a new one from as I can't seem to find one Thank you in advance for your help. Kind regards, Marc
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22nd June 2018, 04:18 | #2 |
Posted a thing or two
Rover 75 CDTI connoisseur SE auto, 2004 Join Date: Sep 2008
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Cam Anyone confirm that the problem above is indeed the transistor and where to buy one from.
Many thanks, Marc
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22nd June 2018, 08:47 | #3 |
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Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007
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Hi Marc,
You’re referring to the electronic control module for the blower speed on an ATC system. Does everything else work normally on the control panel? Simon
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22nd June 2018, 11:23 | #4 | |
Posted a thing or two
Rover 75 CDTI connoisseur SE auto, 2004 Join Date: Sep 2008
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Quote:
Thanks for the reply. As regards the symptoms, the atc panel lights up but no air is blown out of the vents and even pressing the air-con doesn't do anything. As I've said it is intermittent, sometimes it works and other times not
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22nd June 2018, 13:03 | #5 |
Doesn't do things by halves
Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007
Location: Former Middlesex
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OK Marc, have you tried re-seating the blower motor relay in the engine compartment fusebox? Whilst you’re there have a look at fuse link 10 (40 amps) which supplies this relay. If you decide to remove it, be sure to disconnect the battery negative terminal first as it’s constantly live.
Of course the fault might be with the blower motor itself. I remember one case of this on the forum. Unfortunately intermittent electrical faults of this nature are very difficult to pin down but you could expose the blower control module and, with the engine running, wiggle its connector to check for an intermittent poor connection. If you’re certain of your diagnosis I suppose you have three options:
Does any of that help? Simon
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