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Thread: temp gauge

  1. #1
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    Cool temp gauge

    i know it was cold this morning, -8, to be precise, but on the way to work this morning, my temp gauge did'nt move at all. it is 19 miles door to door and takes about 35 mins down the a5, doing 50/60ish, the temp gauge does work, because on the way home it was only showing 70/c the outside temp was -4, does this sound right ?

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    Regular Member CBR600FV's Avatar
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    Mine was showing the same symtoms as yours, ages to warm-up and then running cold. Sounds like the stat is not shutting off properly. New one comes with the stat housing & sensor, about £40 ish plus, so not too bad

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    Regular Member Ste's Avatar
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    If the blower air was on and was warm, then I'm not surprised as the engine is not being allowed to warm up properly at such a light load and therefore less heat rejection to coolant, coupled with all the heat you are taking out via blower and also very cold air circulating around the engine and underneath (no tray I assume)

    I would reckon that you would be wasting your money by changing the stat, and would further say that when the weather warms up a bit, the guage will move more, or if you moving slowly around town too.

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    Quote Originally Posted by Ste View Post
    If the blower air was on and was warm, then I'm not surprised as the engine is not being allowed to warm up properly at such a light load and therefore less heat rejection to coolant, coupled with all the heat you are taking out via blower and also very cold air circulating around the engine and underneath (no tray I assume)

    I would reckon that you would be wasting your money by changing the stat, and would further say that when the weather warms up a bit, the guage will move more, or if you moving slowly around town too.
    yeah, heater was blowing hot, so putting it down to the extreme cold weather !

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    Regular Member Gr4eme's Avatar
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    Default lowest outside temp

    what's the lowest you have seen your outside temperature gauge drop to, been over to visit the outlaws tonight and the display was reading -12 on way back

    coldest i have ever seen it by a long way....
    Last edited by Gr4eme; 8th January 2010 at 00:27.

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    Forum Moderator John LE's Avatar
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    I had -12 a couple of weeks ago, thats the lowest i've had too

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    Full Member djr69uk's Avatar
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    yes that's the one! lots of cdti drivers with the same 'problem'. they're not all broken - just not heating up as quickly as the petrols do. i do 22 miles each way to work and back on motorway and my cdti150 runs cold all the way there and back. whatever heat i can get from the engine is pumped into the cabin via the blowers.

    they're all fine - it's just a harsh winter lol!!

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    Moderator & Events Assistant paulhb's Avatar
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    If you want it to heat up turn off your heater and air condtioning and place a piece of cardboard behind the grill to half cover the radiator and bingo it will show a higher temperature. This used to be the method people used in the good old days to get the engine to heat up more quickly still works.

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    Regular Member Robsey's Avatar
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    If you want it to heat up turn off your heater and air condtioning and place a piece of cardboard behind the grill to half cover the radiator and bingo it will show a higher temperature. This used to be the method people used in the good old days to get the engine to heat up more quickly still works.

    Yep, this is what I did on my Cav 3 1800 petrol.
    Reduces the cold air flow towards the front of the engine.
    such a low starting ambient temperature...water has got further to warm up to reach the same running temperature.
    On recent nights, that's been an extra 20 or so degrees C of heating required. (-17 to 88 degrees rather than approx 3 to 88 degrees).
    88 degrees is just a typical value, not a specific amount.

    Also cold air flow to front of engine has the same effect as the radiator fan being on all the time!!
    This will also mean that everyone's fuel enrichment devices will be on virtually all the time, and thus you will be getting rubbish fuel economy figures!! (Modern equivalent of the age old choke on carb engines).

    In short...totally normal for such cold weather conditions!!

    Just a security note...if you are warming your car up in the morning...don't leave it running and unattended. Obvious but necessary statement!!

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    Regular Member Robsey's Avatar
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    Sorry, just a pathetic -10.5 C this morning (9:00 am)

    I did read a thread the other day saying that someone in Germany had
    -25 !!

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