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Opel Meriva 1.4 Z14XEP - Fan Not Starting, Engine Overheating, Gasket & Thermostat Replaced

schalker 15225 15
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  • #1 16319073
    schalker
    Level 10  
    Hello!

    I have a problem with the recently purchased Meriva 1.4 Z14XEP, 2008.

    Once, after driving 2 km, the refrigerant liquid broke out, the engine overheated.
    The head gasket and thermostat have been replaced. The mechanic noted that the fan does not turn on.

    The fan is OK, control from the computer level = 1st and 2nd gear are working.

    On the net I found information that the fan should turn on at 98 or 102 degrees (depending on what sensor was inserted in the radiator)
    Can anyone confirm this?

    I don't want to heat the engine unnecessarily and expose myself to another overheating ...

    Something does not suit me here, on the temperature gauge 102 degrees is already a step from the red field ...
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  • #2 16319222
    sadek1979
    Cars specialist  
    I do not think that after driving 2 km, the engine overheated, as for the sensor, it may be damaged. Starting from the computer will check the correct operation of the fans. Make a jumper on the radiator sensor and see if the fans start. Then you have the answer.
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  • #3 16319566
    schalker
    Level 10  
    The engine has overheated because the thermostat has failed - and so unfortunately that in the closed position ...

    the radiator sensor I just checked - it turns on the fan at 102 degrees - and this is what slightly bothers me ... isn't it too much?

    Regards
  • #4 16319588
    Strumien swiadomosci swia
    Level 43  
    All cooling is controlled by the engine computer, drive a bit and see if it indicates the correct temperature.
    Yes these are the right temperatures, glad you have a thermostat at 92'C there are such cars which opens at 102'C.
  • #5 16319592
    schalker
    Level 10  
    I know, I know - in Zafira 1.8, the thermostat is fully open at 105 degrees, the fan turns on at 108 degrees, and in addition GM saved a few zlotys without giving the fluid temperature indicator ... massacre.

    I just checked that the fans are ok, the sensor starts the fans at 102 degrees. But from what I was talking with my friend there are distortions between the indicator on the board and the reading from the computer.

    I just wanted to confirm that these 102 degrees are the right temperature ...
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  • #6 16319595
    Strumien swiadomosci swia
    Level 43  
    But you don't have any fan sensor there.
  • #7 16319608
    schalker
    Level 10  
    Strumien swiadomosci swia wrote:
    But you don't have any fan sensor there.


    I meant the coolant temperature sensor at the radiator.
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  • #8 16319621
    Strumien swiadomosci swia
    Level 43  
    And where do you see him there, because I've never met in Meriva.

    And if you have it and connected in addition, you have a nice wire made.
  • #9 16319648
    schalker
    Level 10  
    the water temperature sensor must be - maybe I was wrong and it's in the engine block, not in the radiator. The sensor was checked by my friend and maybe I assumed that it is next to the radiator ...
  • #10 16319654
    Strumien swiadomosci swia
    Level 43  
    It is the engine computer that decides everything in this car for the second time.

    Added after 1 [minutes]:

    schalker wrote:
    The sensor was checked by my friend


    I wonder how?
  • #11 16319657
    schalker
    Level 10  
    Ok, I know that the computer decides, turns on the fans, etc., and how does the computer know what the coolant temperature is?
  • #12 16319693
    Strumien swiadomosci swia
    Level 43  
    Has a sensor in the head.
  • #13 16319780
    frankrom
    Level 19  
    I have also never seen Meriva with a sensor in the radiator.
  • #14 16319967
    sadek1979
    Cars specialist  
    See colleagues at all .... auction number 6734202664. cyt CORE DIMENSION; 608 x 350 x 24
    PART NUMBER ; 1300413
    ENGINE VERSIONS 1.6
    CHEST ; MANUAL
    RADIATOR WITH SENSOR HOLE
    I absolutely do not question your opinion, but there is a version with a sensor.
  • #15 16320258
    frankrom
    Level 19  
    tomasz sadowski wrote:
    See colleagues at all .... auction number 6734202664. cyt CORE DIMENSION; 608 x 350 x 24
    PART NUMBER ; 1300413
    ENGINE VERSIONS 1.6
    CHEST ; MANUAL
    RADIATOR WITH SENSOR HOLE
    I absolutely do not question your opinion, but there is a version with a sensor.

    That's right, but this hole is originally plugged with a large Allen cap. This specific cooler is new, so it is
    "Bare".
  • #16 21184491
    kubuswujo
    Level 12  
    has the subject been resolved?
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Topic summary

The discussion revolves around a 2008 Opel Meriva 1.4 Z14XEP experiencing engine overheating issues after a short drive, attributed to a malfunctioning thermostat and head gasket. The user reports that the engine fan does not activate, despite being functional when tested via computer controls. Participants confirm that the fan should engage at temperatures around 98-102 degrees Celsius, depending on the coolant temperature sensor's specifications. There is some debate about the location of the coolant temperature sensor, with suggestions that it may be in the engine block rather than the radiator. The conversation highlights the importance of the engine computer in managing cooling system operations and the need for accurate temperature readings to prevent further overheating.
Summary generated by the language model.
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