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Thread: Thermostat issue?

  1. #1
    Regular Member justin32's Avatar
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    Vehicle : Vectra c SRI Facelift

    Trim : SRI

    Engine : 1.9 CDTI 150

    Year : 2006

    Default Thermostat issue?

    Since the cooler wather has arrived ive noticed my temp gauge sits at about 85 when driving around town but if i go on a faster road or put my heaters on the temp drops to about 75.I remember reading somewhere that the gauge should read about 85 ish all the time.

    Does this sound like a duff stat? or is it normal for a veccy?

    Cheers

  2. #2
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    Vehicle : vectra c

    Trim : ls

    Engine : 1800

    Year : 04

    Mileage : 130000

    Default

    hi ive got a 1.8 ls 04reg the temperature gauge would only go to 75.but when you are stuck in traffic it would rise to 90. when you are out of traffic and on a run the needle would drop back to 80. what made it worse when you put the heater button on 2 or 3 the needle would drop down to a flat 70.you still get heat but not hot.i fixed it by getting a new thermostat and now the needle rises up between 87 and 89 and stays there.also the heater is a major improvement and so is the mpg . i hope this helps

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    Vehicle : vectra c

    Trim : ls

    Engine : 1800

    Year : 04

    Mileage : 130000

    Default

    if its petrol when starting from cold the temperature needle should go to 87 to 89 in 2.5 miles of driving make sure your heater in off if it hardly moves it needs a new thermostat
    mine needed a new one at 53000 miles

  4. #4
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    Vehicle : vectra c

    Trim : ls

    Engine : 1800

    Year : 04

    Mileage : 130000

    Default

    diesel} takes around 6 miles to get to 86 -87 and the needle stays there

    { petrol} takes around 3 miles to get to 87-89 and the needle stays there

    depending on weather and speed doing

    if you turn your heater on and the needle falls back to 70 to 75 its broke
    i know because mine broke

  5. #5
    Regular Member m8internet's Avatar
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    Default

    It's a diesel, from the profile, sounds quite normal

    Mine has always done that
    When driving it eventually reaches about 90
    When stopped it intially rises then falls to about 85
    Turn the heating on full blast and it can fall to about 75
    You're not likely to notice this during the summer

  6. #6
    Regular Member justin32's Avatar
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    Vehicle : Vectra c SRI Facelift

    Trim : SRI

    Engine : 1.9 CDTI 150

    Year : 2006

    Default

    Thanks,

    yeah mine is a diesel and boy does it take a while to get upto running temp lol

    I thought it might be goosed,it was also explain why my MPG is a bit poor.I noticed as the weather started cooling that my fuel consumption started to rise.

    Looks like ill be wearing an extra jumper in the car and will also advise the misses and nipper to as the heater will be on cold untill i get it changed lol

  7. #7
    Regular Member justin32's Avatar
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    Vehicle : Vectra c SRI Facelift

    Trim : SRI

    Engine : 1.9 CDTI 150

    Year : 2006

    Default

    Quote Originally Posted by m8internet View Post
    It's a diesel, from the profile, sounds quite normal

    Mine has always done that
    When driving it eventually reaches about 90
    When stopped it intially rises then falls to about 85
    Turn the heating on full blast and it can fall to about 75
    You're not likely to notice this during the summer
    Mine hasnt reached 90 in about 3 weeks,the last time was when i got stuck in traffic and the tousdie temp was 26 degrees,now the outside temp is barley reaching double figures.

    Do i have to change the whole stat and housing or can i just take it apart and do the stat?

  8. #8
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    Vehicle : vectra c

    Trim : ls

    Engine : 1800

    Year : 04

    Mileage : 130000

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