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timtom1



Member Since: 10 Jul 2012
Location: Lancashire
Posts: 148
United Kingdom 2001 Defender 90 Td5 CSW Alveston Red
Heater blower fan
Hi all

My heater blower fan has stopped working, and blew a fuse which I changed, so the cigarette lighter is now working again. However when it went it made a very strange noise under the bonnet so I undid the cowl and tried to turn the fan by hand but it won't turn?

How easy is it to replace the fan once the heater unit is out?

Thanks

Tim 2001 90 TD5 CSW Alveston Red Manual
Post #639803 26th Jul 2017 8:58am
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554
heater motor is seized do to water

check heater air inlet drain is not block with moss

you may be able to free it up WD40 or fit new motor
Post #639809 26th Jul 2017 9:27am
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gazman



Member Since: 17 Aug 2015
Location: Liverpool
Posts: 652
United Kingdom 2003 Defender 90 Td5 HT Alpine White
if its a td5 the motor cost a small fortune compared to earlier ones as you have to buy the full heater box and can't get just the motor.

How ever if you get a cheaper early fan you can grind and cut some of the locating pegs and then drill and rivit the remaining ones. It cost me about 70 quid vs about 240 2014 - current ..... 2003 defender td5 90 (my car)
2009 - current .... 2005 zx10r
Post #639811 26th Jul 2017 9:36am
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timtom1



Member Since: 10 Jul 2012
Location: Lancashire
Posts: 148
United Kingdom 2001 Defender 90 Td5 CSW Alveston Red
Thanks for the reply guys, I've tried again to move the fan by hand still no joy.

I can't seem to find any TD5 Heater Assembly boxes anywhere not even on ebay?

Its really annoying I can't just change the fan motor.

Does anybody have any part numbers?

Here is a pic through the top vent.



Click image to enlarge

Does it look out of line, knackered?


Thanks

Tim 2001 90 TD5 CSW Alveston Red Manual
Post #640011 26th Jul 2017 10:48pm
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gazman



Member Since: 17 Aug 2015
Location: Liverpool
Posts: 652
United Kingdom 2003 Defender 90 Td5 HT Alpine White
fit a fan from a earlier model 200 or 300 it's not hard to make it fit and seal. It does involve grinding, drilling and riveting but it's not hard 2014 - current ..... 2003 defender td5 90 (my car)
2009 - current .... 2005 zx10r
Post #640018 26th Jul 2017 11:04pm
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gazman



Member Since: 17 Aug 2015
Location: Liverpool
Posts: 652
United Kingdom 2003 Defender 90 Td5 HT Alpine White
fit a fan from a earlier model 200 or 300 it's not hard to make it fit and seal. It does involve grinding, drilling and riveting but it's not hard 2014 - current ..... 2003 defender td5 90 (my car)
2009 - current .... 2005 zx10r
Post #640021 26th Jul 2017 11:06pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2094
United Kingdom 1984 Defender 90 200 Tdi HT Pennine Grey
I'd give that a really good spray of WD40 straight down the hole twice a day for 2 or 3 days, trying to turn it by hand each time. I have freed off several this way.
HTH
Mo The Land Rover 90 - Many are called, few are chosen.
Post #640038 27th Jul 2017 5:04am
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timtom1



Member Since: 10 Jul 2012
Location: Lancashire
Posts: 148
United Kingdom 2001 Defender 90 Td5 CSW Alveston Red
Thanks guys, being a novice I will try the WD40 for a few days. If not I will take out the Heater Box Assembly.

I assume the earlier motors have the same electrical connectors?

THanks

Tim 2001 90 TD5 CSW Alveston Red Manual
Post #640144 27th Jul 2017 5:06pm
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timtom1



Member Since: 10 Jul 2012
Location: Lancashire
Posts: 148
United Kingdom 2001 Defender 90 Td5 CSW Alveston Red
The fan now moves by hand after lots of WD40 Thumbs Up

However I tired the blower and it still didn't work, Big Cry I will borrow a multimeter from work tomorrow and check the connections and switches, and hope its one of them....

Thanks for the help guys 2001 90 TD5 CSW Alveston Red Manual
Post #640193 27th Jul 2017 9:09pm
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timtom1



Member Since: 10 Jul 2012
Location: Lancashire
Posts: 148
United Kingdom 2001 Defender 90 Td5 CSW Alveston Red
I'm not getting 12v on the purple /green wire connecting to the bulkhead or the 3 way connector switch or at the blower switches at the dash.

However I am getting 12v at the fuse box? 2001 90 TD5 CSW Alveston Red Manual
Post #640751 30th Jul 2017 7:42pm
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bear100



Member Since: 22 Mar 2010
Location: South Wales
Posts: 1878
Wales 2010 Defender 110 Puma 2.4 USW Santorini Black
Does it go through a relay? 2016 Range Rover Autobiography 4.4 TDV8
2010 110 XS Utility 2.4TDCI
2010 Range Rover Sport TDV8 (gone)
2007 Discovery HSE TDV6 (gone)
1993 110 csw 200 tdi (gone)
1994 90 HT 300 tdi (gone)
1994 discovery 300tdi (gone)
90 hybrid 3.5 v8 (gone)
Range rover bobtail 3.5 v8 (gone)
Post #640756 30th Jul 2017 7:52pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554

Click image to enlarge

you also have wire wound resistor speed control pack
Post #640761 30th Jul 2017 8:05pm
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timtom1



Member Since: 10 Jul 2012
Location: Lancashire
Posts: 148
United Kingdom 2001 Defender 90 Td5 CSW Alveston Red
can I check anything else before taking out the heater assembly box and resistor?

No relay, is feed directly to the heater assembly box 2001 90 TD5 CSW Alveston Red Manual
Post #640792 30th Jul 2017 9:56pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554
wire wound resistor speed control pack is in the top of fan

check that dash switch and wiring good order
Post #640832 31st Jul 2017 7:27am
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