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Thread: Radiator expansion tank woes!

  1. 20th February 2008, 07:57 PM #1
    mattmason1
    mattmason1 is offline Fossicker
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    Radiator expansion tank woes!

    Just wanted to know whether anyone has had a similar incident with the cap on the Defender expansion tank cap? On Sunday we went down to Margaret River for a few day's break. I checked the car over before we went, including the coolant level. It needed topping up, but put the cap on and off we went.

    Drove all the way to MR that afternoon and the following day had a run out of town for the morning. Was about 10kms south of MR when the the temp guage went crazy and a plume of steam erupted from under the bonnet. After investigation, found that the cap to the expansion tank was missing. Got towed back into MR by the RAC, and left the car at a service station while I dashed up town to Auto One to try and get a replacement cap. They ordered one in for me which, thankfully, arrived the next day so we could head back to Perth. In the mean I got back to the car with 10 litres of De-mineralised water and filled the cooling system up, with an emergency fuel cap to close the tank and screwdriver to bleed the system. Managed to get back to where we were staying without a hitch, the Landy ran without hitch back to the house and into town the next day.

    Upon getting the cap, I screwed it on TIGHT, and after a few checks headed back to Perth. Again the car ran well, but I stopped at a service station in Bunbury just to be cautious and check the levels - the water temp didn't flinch once after leaving MR and getting home in Perth, but checking the cap in Bunbury, found it was loose again!

    Is this a common problem, or am I just plain lucky?
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  2. 20th February 2008, 08:02 PM #2
    cewilson
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    It sounds like the thread on the tank itself may be worn or damaged. Have you had a look at it to see if that's the case?

    Personally no I haven't had that problem before.

    Cheers
    Chris
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  3. 20th February 2008, 08:06 PM #3
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    rangieman
    rangieman is offline Swaggie
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    No my cap does,nt work loose
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  4. 26th February 2008, 09:58 PM #4
    landiecrazie Guest

    Cool Radiator expansion tank woes!

    no never had this problem.
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  5. 26th February 2008, 10:55 PM #5
    VladTepes's Avatar
    VladTepes
    VladTepes is offline Major Part of the Heart and Soul of AULRO Subscriber
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    You're just lucky.
    It's not broken. It's "Carbon Neutral".


    gone

    1993 Defender 110 ute "Doris"
    1994 Range Rover Vogue LSE "The Luxo-Barge"
    1994 Defender 130 HCPU "Rolly"
    1996 Discovery 1

    current

    1995 Defender 130 HCPU and Suzuki GSX1400

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  6. 27th February 2008, 05:48 AM #6
    Grizzly_Adams's Avatar
    Grizzly_Adams
    Grizzly_Adams is offline Wizard
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    Never had or heard of that particular problem and I strongly recommended getting one of these for peace of mind anyway:

    Engine Saver - Low Coolant Alarm

    In situations where the coolant is lost the temperature gauge doesn't tell you the full story until too late.

    Good luck

    EDIT: PS I believe they advertise on this site? You should see them on a banner somewhere sometime...
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  7. 27th February 2008, 09:34 AM #7
    Piddler's Avatar
    Piddler
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    I purchased one of these low coolant alarms and for minimal $ a fantastic thing.

    They should come out standard on all cars.

    Cheers
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  8. 27th February 2008, 09:42 AM #8
    VladTepes's Avatar
    VladTepes
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    Has anyone actually had it WORK for them - eg had a problem in this dept and have the thing save you ?

    Im not doubting that the thing works, just whether its the best solution to the problem or not ?

    Is it someone on this forum selling . making them ?
    (PM me if this is the case so as not to breech ad rules etc if indeed thats a problem).
    It's not broken. It's "Carbon Neutral".


    gone

    1993 Defender 110 ute "Doris"
    1994 Range Rover Vogue LSE "The Luxo-Barge"
    1994 Defender 130 HCPU "Rolly"
    1996 Discovery 1

    current

    1995 Defender 130 HCPU and Suzuki GSX1400

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  9. 27th February 2008, 10:15 AM #9
    Grizzly_Adams's Avatar
    Grizzly_Adams
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    Mate, mine has saved my bacon several times.

    I didn't go on the last trip because the day before when I went to start the truck it wouldn't shut-up and when I checked all my coolant had disappeared (leaky P gasket).


    Definitely worth it. Yes I believe the bloke is on here - should show up under "vendors with aulro discounts" anyway...
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  10. 27th February 2008, 10:38 AM #10
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    87County
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    Quote Originally Posted by VladTepes View Post
    Has anyone actually had it WORK for them - eg had a problem in this dept and have the thing save you ?

    Im not doubting that the thing works, just whether its the best solution to the problem or not ?

    Is it someone on this forum selling . making them ?
    (PM me if this is the case so as not to breech ad rules etc if indeed thats a problem).

    Yep ... surely does work if coolant falls below sensor....

    (problem was caused by the "y piece ejector" failing and not allowing the system to bleed after refill - fixed by new "y piece"

    Laurie
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