AuthorTopic: Heater blower cutting out  (Read 1513 times)

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Offline zagamac

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Heater blower cutting out
« on: February 06, 2009, 21:37:20 »
Hi

The heater blower on my 1994 discovery occassionally cuts out for about a second and then comes straight back on.  Its a bit odd and hasn't failed me, but is it about to and whats the fault.

Cheers

Offline auf_wiedersehen_pet

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Re: Heater blower cutting out
« Reply #1 on: February 06, 2009, 21:40:15 »
Both of mine have done that - I think it's a Disco thing.
Rob Steele

1995 Land Rover Discovery 300 TDi - Everyday Car (Ex Jap)
2007 Toyota Avensis 2.2 T-180 - Sensible Car (Ex TSB Bank)

Offline mobi

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Re: Heater blower cutting out
« Reply #2 on: February 07, 2009, 12:03:34 »
mine does it too, if i put it on full sometimes it cuts out, just turn it off and back on again.

Offline LiftedDisco

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Re: Heater blower cutting out
« Reply #3 on: February 07, 2009, 13:38:27 »
Mine does too...

Discovery 300 Tdi - 2" lift, side exit exhaust, HD bumpers, T-Maxx 9500, removable tow hitch, snorkel and 235/85's

Discovery 4 Commercial - very standard but very nice!

Freelander 2 TD4 - Fun Prevention Officer's

Offline Jamin

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Re: Heater blower cutting out
« Reply #4 on: February 07, 2009, 14:15:42 »
Mine too on full. think it may be just a dodgy conection as if you just push the knob right (even though its all the way over to the right) its comes back.

Offline carracarra13

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Re: Heater blower cutting out
« Reply #5 on: February 07, 2009, 14:20:45 »
your lucky yours still work lol
v8 3.9 se discovery
pland mod lpg or hydrogen kit ?
allterains
twin battery, and water proofing engin and electrics
imverta

Offline clover

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Re: Heater blower cutting out
« Reply #6 on: February 07, 2009, 17:20:07 »
Mine does this occasionally too in Clover. In Pinky it was accompanied by smoke and did not work again.
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 J B

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Re: Heater blower cutting out
« Reply #7 on: February 07, 2009, 19:19:55 »
check the relay, it one of the 2 yellow ones behind the panel next to the throttle pedal
300tdi disco

Offline boss

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Re: Heater blower cutting out
« Reply #8 on: February 07, 2009, 19:25:00 »
if anyone needs a blower i have one up for grabs. you can pay me in bacon sarnies and/or dr pepper :lol:

"the young disco chopping maniac" -disco_stu!
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Offline LiftedDisco

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Re: Heater blower cutting out
« Reply #9 on: February 08, 2009, 09:02:31 »
Surely taking the weight out doesn't really work if you put it back in as bacon sarnies...

I'll get me coat...  :D
Discovery 300 Tdi - 2" lift, side exit exhaust, HD bumpers, T-Maxx 9500, removable tow hitch, snorkel and 235/85's

Discovery 4 Commercial - very standard but very nice!

Freelander 2 TD4 - Fun Prevention Officer's

Offline carracarra13

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Re: Heater blower cutting out
« Reply #10 on: February 08, 2009, 09:04:45 »
what would you charge to fit it m8 lol hang on think I no this answer half a pig lol
v8 3.9 se discovery
pland mod lpg or hydrogen kit ?
allterains
twin battery, and water proofing engin and electrics
imverta

Offline boss

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Re: Heater blower cutting out
« Reply #11 on: February 08, 2009, 10:17:07 »
well. i got to do some welding for you anyway so shall we say for the welding blower motor fitting petrol and evereything £30 with a sandwege? :D

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Offline hobbit

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Re: Heater blower cutting out
« Reply #12 on: February 08, 2009, 13:38:19 »
If you can get up under the drivers footwell, you will find the connector from the controls to the wiring leading to the motor, my probslem was terminal as it just didn't work one day, turned out that the earth had packed up somewhere in the system

If you have already checked the feeds out from the switch to the motor try connecting a fresh earth from a good source to the earth wire on this lead back to the motor, I think its the black one, but check with the wiring diagram before trying


Another thing to do if you have a sticking motor is to again locate the feed wires under the drivers footwell, helps if you are a limbo dancer though :lol: , and put a 12v feed onto the wiring plug, after unplugging it from the switch loom, see if you get any action, if not try reversing the polarity of the connections, it will run in reverse, sometimes it can un sieze a stuck motor, it needs a decent size cable to try this and be careful not to burn anything, if the cables you are holding get warm, stop, and try pulsing the connections rather than a continious burst of power
Kev

'91 stretch Discovery 200 Tdi
Hybrid for running round (got to go now)
Srs 3 Lightweight petrol (got to go)
Srs 3 Lightweight petrol, runabout

Not every problem can be solved with duct tape, and it's exactly for those situations we have WD 40

Offline Banjo

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Re: Heater blower cutting out
« Reply #13 on: February 11, 2009, 08:53:08 »
When I turn my blower off the wipers come on, do one sweep of the screen then go off again.   :lol:   

Offline hobbit

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Re: Heater blower cutting out
« Reply #14 on: February 12, 2009, 14:44:52 »
When I turn my blower off the wipers come on, do one sweep of the screen then go off again.   :lol:   

Welcome to the little quirks of land rover ownership :lol:
Kev

'91 stretch Discovery 200 Tdi
Hybrid for running round (got to go now)
Srs 3 Lightweight petrol (got to go)
Srs 3 Lightweight petrol, runabout

Not every problem can be solved with duct tape, and it's exactly for those situations we have WD 40

Offline Banjo

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Re: Heater blower cutting out
« Reply #15 on: February 12, 2009, 15:08:55 »
This morning I started it up, got out to scrape the ice off,  and it locked me out   :shocked:

Offline muddyjames

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Re: Heater blower cutting out
« Reply #16 on: February 17, 2009, 18:26:29 »
mine cuts out as well. I was told it was the thermal cut out isnt big enough for the motor or something. I just have it running on ful speed then 1st time it cuts out I drop it down a speed.

Mine used to carry on running even when I had the key in me hand!! Stopped doing this now thankfully!

Oh and locking you out. Mine did that too. The lock was frozen!  :lol: But I bet that will be a tired door spring and so drops down occasionaly activitating the central locking. Always keep a 2nd key in your pocket or replace the springs. I have been told it is easy to do. Thats why I have a set of springs somewhere. I say somewhere, thats because I have had them 2 years and dont want to do the job. lol
Rover 620i 223,000 miles on the clock :)
1995 300tdi auto ES Disco. Big Green Giant

Most expensive item for a Disco is????? a round piece of paper stuck on the windscreen!

Offline GreedyGibson

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Re: Heater blower cutting out
« Reply #17 on: February 18, 2009, 20:50:17 »
Mine packed up fortunatly it was just a poor connection to the switch cleaned the terminals and away it went.

L reg Discovery 200Tdi
2" Lift Procomp shocks Golddigger rear dislocation cones
Extended brake hoses
Rebel 4x4 Steering guard and Diff Guard
1st Four Winch Bumper with Tmax EW9500 Winch and cast fairlead
Dual batteries with X eng split charge system
Safari Snorkel
31.10/50 x 15 Broco Grizzly Claws On silver Modulars
Homemade Rocksliders (ta Boss)

Offline Range Rover Blues

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Re: Heater blower cutting out
« Reply #18 on: February 19, 2009, 17:46:04 »
It sound slike thr switch, try having it slightly out of place and it will be ok.
Blue,  1988  Range Rover 3.5 EFi with plenty of toys bolted on
Chuggaboom, 1995 Range Rover Classic
1995 Range Rover Classic Vogue LSE with 5 big sticks of Blackpool rock under the bonnet.

 






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