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Opel Astra Coolant Low Message: Everything Normal - Possible Reasons & Solutions

timoncfc 21312 16
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  • #1 16938644
    timoncfc
    Level 6  
    The message from the coolant is low ... but checking everything is normal what may be the reason ???
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  • #2 16938656
    rob4028
    Level 25  
    What is Astra? G. H J. K?
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  • #3 16938657
    Pedros050
    Level 43  
    Hello. Was the sensor checked?
  • #4 16938659
    timoncfc
    Level 6  
    Astra h gyc 1.6 2005

    Added after 38 [seconds]:

    How to check the sensor and where is it?
  • #5 16938677
    rob4028
    Level 25  
    In these astras it is not a fluid level sensor, but the float in the equalizing tank is sinking to the bottom and for this reason crashes the message with a low level.
    Under the equalizing tank there is a plug for the level sensor, it is an ordinary reed switch, so it's very easy to check it (if you know what I am writing about) .... :D
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  • #6 16938702
    timoncfc
    Level 6  
    If it's just a float, so there is nothing to worry about ... tomorrow I will check this sensor yet ... just because I honestly did not pose there so I do not know. ?
  • #7 16938711
    rob4028
    Level 25  
    timoncfc wrote:
    Astra h gyc 1.6 2005

    What does "gyc" mean, probably not "GTC" ..... 1.6 .... Z16XEP

    Added after 1 [minutes]:

    Maybe "GTC-LINE" ... :D :D :D

    Added after 1 [minutes]:

    If you have the correct level of refrigerant fluid, what are you worried about ...?
    It is not just a float, because it is an integral part of the expansion tank.
  • #8 16938727
    timoncfc
    Level 6  
    Yes c ok thanks pomoc

    Added after 1 [minutes]:

    because probably not "GTC" ..... 1.6 .... Z16XEP
    Just this and something wrong with her?
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  • #9 16938746
    rob4028
    Level 25  
    GTC did not come out with Z16XEP engines.
    GTC-LINE and yes, but it's just GTC's "look", and nothing else ... :cry:
  • #10 16938751
    timoncfc
    Level 6  
    Well, I know it's just an ? look
  • #11 16938752
    rob4028
    Level 25  
    timoncfc wrote:
    If it's just a float, which means there is nothing to worry about
    rob4028 wrote:
    It is not just a float, because it is an integral part of the expansion tank.

    either live with it or replace the reservoir ...

    Added after 6 [minutes]:

    PS, did you give advice with this lighting and rattle ??
  • #12 16938797
    timoncfc
    Level 6  
    The tank itself is probably not expensive? Turkotanie can be said that the same ogarnelo ... odpalałem nawiwewy on 1 2 3itd and on each level I changed, and this on the window for legs etc ... such a fun and a dozen or so minutes later resulted in the only that sometimes on the cold engine a little tumbles ... no longer on heat

    Added after 37 [second]:

    And I could not handle the lighting
  • #13 16938948
    rob4028
    Level 25  
    To the black and blue wire in the plug of the damper, attach any limit switch or reed switch attached to the weight of the vehicle, and you have the luggage compartment lighting ...
  • #14 16939449
    timoncfc
    Level 6  
    Ok, I will use your advice and write if I succeeded thanks very much ... and I have one more question because I see that you are a competent person ... do you think that the gas installation in this engine is a good idea?
  • #15 16940652
    rob4028
    Level 25  
    It depends on the course, but in this case some sequence (eg. BRC) is OK.
    Just remember that valve clearance at LPG is much faster erasing, and this engine has regulation on "glasses".
  • #16 16993964
    timoncfc
    Level 6  
    thanks and information was helpful ... the light in the trunk works after connecting the cable in the plug of the flap lock and the limit switch
  • #17 19122066
    Sadur1986
    Level 6  
    Hello, I have a similar problem and maybe someone will suggest a reasonable solution. In Opel astra h 1.6 petrol 2004, my coolant tank broke. I bought a replacement, moved it and everything was ok. After a few days, a message that low fluid level was displayed. It was slightly below the mins, I added a lot but the message does not disappear. With the previous tank, there was no problem with the sensor, in the comments to this replacement I read that the sensor works, I checked again if the sensor is well inserted and looks ok. Since it's only the float, do you think that it may be the fault of the replacement, or maybe something with the sensor?
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Topic summary

The discussion revolves around a low coolant level message in an Opel Astra H 1.6 (2005 model). Users suggest that the issue may not be due to an actual low coolant level but rather a malfunctioning float in the expansion tank, which can cause the sensor to trigger a false warning. The sensor is identified as a simple reed switch located under the equalizing tank, which can be easily checked. One user mentions replacing the coolant tank but still receiving the low fluid level message, indicating potential issues with the new tank or the sensor itself. Recommendations include checking the sensor's installation and considering the replacement of the reservoir if necessary.
Summary generated by the language model.
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