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Thread: Vectra 3.2 Losing Coolant :(

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    Default Vectra 3.2 Losing Coolant :(

    Hi all, firstly I would like to say hello to everyone here as I'm a new user

    I have a 2004 Vectra GSI 3.2 and as the title states it's been losing coolant. The car doesn't overheat and there is no mayo on the dipstick etc but I'm having to top the coolant up every 40 miles or so. I had a sniff test done last week and apparently all is ok.

    I changed the coolant last week and flushed the system as it looked very orange and rusty but within a few hours it had become cloudy again. It's not thick or creamy, it's just cloudy.

    Could it be the headgasket or does it sound like the oil cooler?

    Many thanks in advance

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    Regular Member Das's Avatar
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    Vehicle : Lada

    Trim : Riva

    Engine : 6.0 V12

    Year : 1954

    Mileage : 567890987

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    The anti freeze is an orange rusty colour, what anti freeze did you use to replace it?

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    I used Halfords Advanced Antifreeze & Coolant ready mixed to replace the old coolant.

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    not a leaking coolant bottle is it? isnt that common on the vec c around the seam or is it the vec b?

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    Regular Member Das's Avatar
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    That is OAT antifreeze, which is what is required, but unless you managed to remove all the water from the flush there is no way that will be strong enough to protect the engine against frost protection and aluminium protection. -28 is the minimum protection required.
    Anyway, One of the weak points of the vec cooling system is the header tank, they can split at the rear of the tank, just a hair line crack, but when the system is pressurized its enough to loose coolant. I take it it was loosing coolant prior to your coolant change?

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    It's a Vectra C. I can't see any evidence of coolant around the expansion bottle and the bottle is pressurised when hot.

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    Quote Originally Posted by DasArab View Post
    Anyway, One of the weak points of the vec cooling system is the header tank, they can split at the rear of the tank, just a hair line crack, but when the system is pressurized its enough to loose coolant. I take it it was loosing coolant prior to your coolant change?
    I removed the header tank from the car to clean it and I couldn't see cracks or damage. The car was losing coolant before I did the flush etc. What puzzled me though that after a few hours I could see a cloud forming in the header tank. If I squeeze the large coolant hose, there was this cloudy coolant appearing in the tank.

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    Quote Originally Posted by DasArab View Post
    That is OAT antifreeze, which is what is required, but unless you managed to remove all the water from the flush there is no way that will be strong enough to protect the engine against frost protection and aluminium protection. -28 is the minimum protection required.
    Anyway, One of the weak points of the vec cooling system is the header tank, they can split at the rear of the tank, just a hair line crack, but when the system is pressurized its enough to loose coolant. I take it it was loosing coolant prior to your coolant change?


    One of the weak points of the vec cooling system is the header tank, they can split at the rear of the tank, just a hair line crack, but when the system is pressurized its enough to loose coolant.


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    ive seen a few threads on the 3.2 v6 losing coolant

    ill see what i can find

    http://www.vectra-c.com/forum/showth...losing+coolant

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    Vehicle : vectra c

    Trim : ls

    Engine : 1800

    Year : 04

    Mileage : 130000

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