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shawn
Member Since: 23 Aug 2005
Location: At the top of the hill
Posts: 574
  
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| smoke coming from under the bonnet |
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hi all
on saturday morning i went out and drove about 1.5 miles, stopped for 1 hour then when i restarted the engine i noticed loads of smoke comming from under the bonnet so i turned the engine off. i lifted the bonnet to find this silver box on the n/s/f corner smoking i presume this is the wabasto heater everyone keeps talking about.
my question is what does it do, how does it work and why have i only just noticed it after 1600 miles. has it sudenly started working, should it be working as i have read that a lot don't work due to not having the right bits or something like that.
cheers shawn bali blue disco 4 with rear dvd's, privacy glass, pre heat system, heated steering wheel, full size spare, piano black trim, ipod cable, 20 inch wheels and i love it loads more than my TDV8 RRS, KTM 250 EXC 2 Stroke for the real off road stuff
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 7th Nov 2005 7:54 am |
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Winger
Site Moderator
Member Since: 15 Feb 2005
Location: UK
Posts: 3428
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It was probably cold enough for it to run. If the ambient is too high, it remains an inanimate object, but once the temperature falls, the beast springs to life.
It, from Land Rover's perspective, has a single purpose: to assist heating the coolant temperature to provide faster cabin heating and quicker engine warm up. The exhaust discharges on the near front side.
Of course, whilst driving you'd be largely unaware of its operation; when it provides pre-heat for the cabin, before the engine is started, it is obvious from both the noise (pretty quiet) and exhaust smoke - along with a very noticeable smell of burnt gasoil.
All quite normal, then.
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| 7th Nov 2005 8:30 am |
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BN
Member Since: 18 Mar 2005
Location: Here
Posts: 6463
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| Re: smoke comming from under the bonnet |
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shawn wrote:hi all
on saturday morning i went out and drove about 1.5 miles, stopped for 1 hour then when i restarted the engine i noticed loads of smoke comming from under the bonnet so i turned the engine off. i lifted the bonnet to find this silver box on the n/s/f corner smoking i presume this is the wabasto heater everyone keeps talking about.
my question is what does it do, how does it work and why have i only just noticed it after 1600 miles. has it sudenly started working, should it be working as i have read that a lot don't work due to not having the right bits or something like that.
cheers shawn
Shawn, tons of stuff on this, yes it is the Webasto working when the temp gets to around the 6C or lower. It is the backup heater to assist the main unit. It will ease of the smoking as it gets used more, but it is the same as a house boiler using diesel, so a little smoke will always be there.
I am in the middle of converting the unit with Webasto to make it work on command which LR forgot for reasons best known to themselves.
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| 7th Nov 2005 8:31 am |
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shawn
Member Since: 23 Aug 2005
Location: At the top of the hill
Posts: 574
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hi all
so when this heater cuts in how much quicker should this warm the cabin heater up will it get warm pretty much straight away on the cold mornings ahead of us
cheers shawn bali blue disco 4 with rear dvd's, privacy glass, pre heat system, heated steering wheel, full size spare, piano black trim, ipod cable, 20 inch wheels and i love it loads more than my TDV8 RRS, KTM 250 EXC 2 Stroke for the real off road stuff
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| 7th Nov 2005 10:34 am |
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BN
Member Since: 18 Mar 2005
Location: Here
Posts: 6463
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shawn wrote:hi all
so when this heater cuts in how much quicker should this warm the cabin heater up will it get warm pretty much straight away on the cold mornings ahead of us
cheers shawn
Not necessarily quicker, but warmer. The heater takes about 30 seconds to start, then about another minute to start pushing out heat. Bearing in mind it heats the engine water as well to assist engine warm up faster.
If we can get it to start remotely, which is what we are trying to do after about 15 minutes the cabin should be quite warm and after 30 minutes it will be like toast as will the engine, so defrosted, with a warm engine in minus 5C, can't be bad.
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| 7th Nov 2005 10:47 am |
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JAY
Member Since: 28 Sep 2005
Location: Herefordshire
Posts: 28
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At what temperature should the pre-heater kick in? Also is there any visual indication for when it is working i.e. I know there's a warning light in the console does this light up ?
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| 7th Nov 2005 3:34 pm |
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Winger
Site Moderator
Member Since: 15 Feb 2005
Location: UK
Posts: 3428
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JAY wrote:At what temperature should the pre-heater kick in? Also is there any visual indication for when it is working i.e. I know there's a warning light in the console does this light up ?
It will operate if the ambient temperature is less than 5°C and the engine coolant temperature is less than 75°C.
There is no warning signal/light for normal operation. The dash warning light relates to timed operation, that doesn't (work properly, that is).
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| 7th Nov 2005 3:42 pm |
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JAY
Member Since: 28 Sep 2005
Location: Herefordshire
Posts: 28
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Thanks.. we had a 3degree Saturday morning and a cold engine but NO pre-heater... will keep an eye on this.
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| 7th Nov 2005 5:00 pm |
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BN
Member Since: 18 Mar 2005
Location: Here
Posts: 6463
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JAY wrote:Thanks.. we had a 3degree Saturday morning and a cold engine but NO pre-heater... will keep an eye on this.
Was your journey a long one or just a few minutes?
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| 7th Nov 2005 5:02 pm |
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10forcash
Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534
  
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Both Slimers & mine FBH's came on at 8 degrees t'other week
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| 7th Nov 2005 5:55 pm |
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Slimer
Site Moderator
Member Since: 06 Jan 2005
Location: Last Exit to Nowhere
Posts: 16295
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With different operating methods too, TFCs on with the engine and mine using the 'radio trick' The End
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| 7th Nov 2005 5:57 pm |
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BN
Member Since: 18 Mar 2005
Location: Here
Posts: 6463
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What we found was that the temp sensor was not too accurate, that is possibly why some of the guys car heaters controls are at different settings. My temp dial is at 20, but the car is about 26C according to a thermometer in the car. As a result it will effect the Webasto as it has a link to the external temp sensor and the cars internal temp sensors.
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| 7th Nov 2005 6:02 pm |
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Slimer
Site Moderator
Member Since: 06 Jan 2005
Location: Last Exit to Nowhere
Posts: 16295
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I think the dials just dictate the temperature of air being blown into the cabin not the ambient temperature you want The End
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| 7th Nov 2005 6:05 pm |
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BN
Member Since: 18 Mar 2005
Location: Here
Posts: 6463
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Slimer wrote:I think the dials just dictate the temperature of air being blown into the cabin not the ambient temperature you want
Apparently not, because that was another problem we have with the Webasto setup. It is far more complex than we thought. There is also a link, we think to the alarm system to close certain vents to stop air passing through when locked and activating the alarm. If only the heater was that simple, I would have been warm by now.
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| 7th Nov 2005 6:08 pm |
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10forcash
Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534
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the dials are for setting the interior temp, not the temp of the air leaving the heater, which is why on full auto, the fan speeds up when the temp is set high - to force hot air in quicker and boost the temp higher
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| 7th Nov 2005 6:10 pm |
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