AuthorTopic: heater motor  (Read 693 times)

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Offline clover

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heater motor
« on: March 23, 2008, 19:43:08 »
Hi

Whilst out laning on Saturday the heater blower motor died on Pinky.

I was first alerted to the problem when everybody in the vehicle started moaning about how cold it was. Then we got acrid smelling smoke coming out the windscreen air vents and the fans stopped working. 

We still have a heater as it does get warm air through at about 60mph!

I've checked the fuse which does not seem to have popped! Which is odd.

I need to check the relay next.

Can't find anything else electrical that does not work so I don't think there are any seriously melted wires behind the dash.

Just out of interest is it possible to change the motor for the fans or is the only solution a new heater unit?

Just how bad of a job is this? I have visions of the dash being removed and other scary stuff!

Cheers

John

 


1996 Discovery 300TDi Affectionately known as Clover. 
Cooper Discover STT 33/12.50/R15, a 2" body lift off chassis. H/D springs with 50mm platform spacers on the rear. Nothing on the front as they foul the shocks :-) 11" travel rough country shocks and mountings with dislocating spring cones,  adjusted wheel arches, safari snorkel. H/D rear bumper, demountable drop plate,. H/D steering guard, QT diff guards.
tree sliders, Split charge running twin Optima's, spotlight bar with 4 whoppers on it, H/D winch bumper, 12,000lbs winch,  A bar with 2 50w mini spotlights, brownchurch full length roof rack. 2 work lights.CB,
Fine English engineering modified to work!

Offline eugene

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Re: heater motor
« Reply #1 on: March 23, 2008, 19:51:37 »
mine burnt out like that and stank need to replace blower not a nice job dash out and it seem to take ages and it did 
« Last Edit: March 23, 2008, 19:53:57 by eugene »
sj410 wifes offroader
1992 gold 5 door disco winch and bumper spots rooflights .2inch lift. khuno kl 71 265.75.16.rebel steering guard. snorkel
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Offline crazymac

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Re: heater motor
« Reply #2 on: March 23, 2008, 20:20:47 »
Yes it is possible to change just the blower, BUT!!

if you have had acrid smelling smoke then it is very possible that the blower has siezed, and then melted its way through the housing!!!!

This is what happened to me, which was only evident once I'd stripped out the aircon stuff from the passengers footwell. The only way of changing either the blowers themselves or the whole unit is to remove the dashboard!! its not a hard job, just lengthy and a pain in the aaaaaaaaaaa!!!!
I HAVE THE BODY OF A GOD

shame its Budda!!

Offline clover

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Re: heater motor
« Reply #3 on: March 24, 2008, 10:12:45 »
[!Expletive Deleted!]...

Removing the dash is too a big a job for me at the minute.

Looks like its time for a 12V fan heater.

Have to look around see if I can find a decent one.
1996 Discovery 300TDi Affectionately known as Clover. 
Cooper Discover STT 33/12.50/R15, a 2" body lift off chassis. H/D springs with 50mm platform spacers on the rear. Nothing on the front as they foul the shocks :-) 11" travel rough country shocks and mountings with dislocating spring cones,  adjusted wheel arches, safari snorkel. H/D rear bumper, demountable drop plate,. H/D steering guard, QT diff guards.
tree sliders, Split charge running twin Optima's, spotlight bar with 4 whoppers on it, H/D winch bumper, 12,000lbs winch,  A bar with 2 50w mini spotlights, brownchurch full length roof rack. 2 work lights.CB,
Fine English engineering modified to work!

Offline hobbit

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Re: heater motor
« Reply #4 on: March 24, 2008, 10:17:02 »
Heating is one of the problems you'll have, at speed not too bad, but if at slow speeds whats more of a problem is demisting, might be worth getting a couple of cheap 12v fans to wedge in the base of the dash to act as demisters ;)
Kev

'91 stretch Discovery 200 Tdi
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Srs 3 Lightweight petrol, runabout

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Offline clover

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Re: heater motor
« Reply #5 on: March 24, 2008, 11:10:30 »
Tell me about it. In the snow yesterday it was misting up a treat.

I was thinking of something like this -

http://www.flatbatt.co.uk/Electrical/Car_fan_heater/car_fan_heater.html

Would it de-mist though?


1996 Discovery 300TDi Affectionately known as Clover. 
Cooper Discover STT 33/12.50/R15, a 2" body lift off chassis. H/D springs with 50mm platform spacers on the rear. Nothing on the front as they foul the shocks :-) 11" travel rough country shocks and mountings with dislocating spring cones,  adjusted wheel arches, safari snorkel. H/D rear bumper, demountable drop plate,. H/D steering guard, QT diff guards.
tree sliders, Split charge running twin Optima's, spotlight bar with 4 whoppers on it, H/D winch bumper, 12,000lbs winch,  A bar with 2 50w mini spotlights, brownchurch full length roof rack. 2 work lights.CB,
Fine English engineering modified to work!

Offline chris9119

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Re: heater motor
« Reply #6 on: March 24, 2008, 11:21:06 »
Tell me about it. In the snow yesterday it was misting up a treat.

I was thinking of something like this -

http://www.flatbatt.co.uk/Electrical/Car_fan_heater/car_fan_heater.html

Would it de-mist though?


John, that will do fine, but think you may need to purchase ten for 0 degrees (1 kilowatt) and 20 (2 kilowatts) for minus -5 degrees :wink::wink::wink::wink:
Chris
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Offline clover

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Re: heater motor
« Reply #7 on: March 24, 2008, 13:58:15 »
One might get me out of trouble until the summer comes :-)

I can see the only real solution is going to biting the bullet and removing the dash.

Never had as much trouble as this when I had my Range Rover...



1996 Discovery 300TDi Affectionately known as Clover. 
Cooper Discover STT 33/12.50/R15, a 2" body lift off chassis. H/D springs with 50mm platform spacers on the rear. Nothing on the front as they foul the shocks :-) 11" travel rough country shocks and mountings with dislocating spring cones,  adjusted wheel arches, safari snorkel. H/D rear bumper, demountable drop plate,. H/D steering guard, QT diff guards.
tree sliders, Split charge running twin Optima's, spotlight bar with 4 whoppers on it, H/D winch bumper, 12,000lbs winch,  A bar with 2 50w mini spotlights, brownchurch full length roof rack. 2 work lights.CB,
Fine English engineering modified to work!

Offline clover

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Re: heater motor
« Reply #8 on: March 24, 2008, 14:57:07 »
I was thinking actually what a luxury 200watts would be. About the same as the second fan setting as was :-) If I bought 10 of them I'd be nearly as warm as I would in a normal car!

1996 Discovery 300TDi Affectionately known as Clover. 
Cooper Discover STT 33/12.50/R15, a 2" body lift off chassis. H/D springs with 50mm platform spacers on the rear. Nothing on the front as they foul the shocks :-) 11" travel rough country shocks and mountings with dislocating spring cones,  adjusted wheel arches, safari snorkel. H/D rear bumper, demountable drop plate,. H/D steering guard, QT diff guards.
tree sliders, Split charge running twin Optima's, spotlight bar with 4 whoppers on it, H/D winch bumper, 12,000lbs winch,  A bar with 2 50w mini spotlights, brownchurch full length roof rack. 2 work lights.CB,
Fine English engineering modified to work!

Offline clover

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Re: heater motor
« Reply #9 on: March 27, 2008, 09:04:59 »
Got into Pinky today and was showing my boss how the heater had died and as I operated the lever. I noticed the fan was trying to kick it. It span up for a few micro seconds then stopped. We had a jiggle with the switch (and gave things a tap with a hammer :-) ). Could not get it to come back into life.

I drove home and bit a speed bump a bit too fast and bingo... I now have a working fan again. Been working fine since and no smoke out the vents.

How very very odd...

1996 Discovery 300TDi Affectionately known as Clover. 
Cooper Discover STT 33/12.50/R15, a 2" body lift off chassis. H/D springs with 50mm platform spacers on the rear. Nothing on the front as they foul the shocks :-) 11" travel rough country shocks and mountings with dislocating spring cones,  adjusted wheel arches, safari snorkel. H/D rear bumper, demountable drop plate,. H/D steering guard, QT diff guards.
tree sliders, Split charge running twin Optima's, spotlight bar with 4 whoppers on it, H/D winch bumper, 12,000lbs winch,  A bar with 2 50w mini spotlights, brownchurch full length roof rack. 2 work lights.CB,
Fine English engineering modified to work!

 






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