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Motor Clio 1.4 8v - "fiert", fierbe motorul

sorin2003
post 21 Mar 2007, 12:55
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sad.gif
In urma utilizarii masinii in oras, zilele trecute, am cosntatat ca.....fierbe apa in vaul de expansiune??
Electroventilatorul era oprit!!!!
Stie cineva ce trebuie sa fac si unde sa ma uit?!

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R19/16v
post 21 Mar 2007, 13:12
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Esti convins ca fierbea? Nu cumva era doar circulata si returul crea impresia de fierbere?
Ieri n-a fost o zi tocmai calduroasa, poate ca nici nu trebuia sa porneasca ventilatorul. Indicatia de temperatura din bord ce zicea?


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cmandrei
post 21 Mar 2007, 13:20
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sorin2003
post 21 Mar 2007, 13:25
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Iesea abur..de ziceai ca sunt cu motor pe apa si nu pe benzina!!!!


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R19/16v
post 21 Mar 2007, 13:27
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Pe unde iesea abur ? ohmy.gif ohmy.gif


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cmandrei
post 21 Mar 2007, 13:27
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Iesea abur de unde ? - cred ca e normal daca ai deschid dopul de la borcan sa iasa abur (cand lichidul ala are +70-90grade si e sub presiune si tu deschizi borcanul ... bine ca nu te-ai ars daca ai facut asa ceva)


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ex. Renault Clio Symbol - RO 2001 Dynamique (1.4 8V 75 cp K7J-A7)
33.722 km - 12.2004
178.691 km - 03.2013
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sorin2003
post 21 Mar 2007, 13:37
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Iesea abur pe la vasul de expansiune fara ca busonul respectiv sa fie scos!!!


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cmandrei
post 21 Mar 2007, 13:41
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Nu prea e normal ... dar Ok era fierbinte supapa functioneaza tongue.gif ... dar raspunde si la restul de intrebari (de mai sus).


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33.722 km - 12.2004
178.691 km - 03.2013
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R19/16v
post 21 Mar 2007, 13:44
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Probabil ca este blocata supapa de supra-presiune din busonul de la vasul de expansiune, motiv pentru care apa fierbe la o temperatura mai joasa si se evapora.


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cmandrei
post 21 Mar 2007, 13:50
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Si sa fi iesit aburul pe la filet zici ?


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178.691 km - 03.2013
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sorin2003
post 21 Mar 2007, 13:55
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Cam asa ceva...sad.gif
Am lasat sa se raceasca motorul, dupa care am venit acasa cu masina fara a avea nici o problema sad.gif


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madkat
post 21 Mar 2007, 14:00
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patit si eu la fosta Supernova (cu acelas motor ca tine) - si supapa din buson era de vina -
daca ti-ar fi pornit ventilatorul - atunci pe la termostat era buba - dar nepornind inseamna ca motorul isi face racirea cum trebuie


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Tudor
post 21 Mar 2007, 14:04
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In primul rand o intrebare: ce iti arata ceasul de temperatura a lichidului de racire din bord? Ar fi trebuit sa urce, iar la un moment dat sa se aprinda si un beculet rosu... s-a intamplat asa ceva? Ce ai facut tu?

Acum imi dau cu parerea cam la noroc: probabil s-a defectat sonda care citeste temperatura, situata undeva in drepata cum te uiti la motor cu capota deschisa, deasupra captorului de pe fulie. Sonda furnizeaza UC-ului informatii eronate.

Oricum, de tinut minte: ventilatorul porneste automat cand aerul conditionat este pornit si functioneaza continuu atata timp cand a/c ramane pornit. Daca aveti probleme la drum si reglarea automata a ventilatorului pare sa nu functioneze, solutia de moment este sa mergeti cu a/c continuu.

Rezolvarea finala se face in service: computer-test-ul va indica cine nu functioneaza corect, iar piesa respectiva se inlocuieste.


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dukku
post 10 Apr 2007, 19:51
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Circuitul de racire este presurizat (presiune mai mare decat cea ambianta), asta inseamna ca temperatura de fierbere a amestecului apa-antigel este de aproximativ 110-115 grade . -asigura functionarea normala a motorului la temperaturi mai mari(95-98 grade ) oferind un
randament mai bun .

a) Daca iesea abur inseamna ca ori nu mai era presurizat circuitul(supapa vas expansiune defecta)si atunci fierbea in jur de 100 grade pe care insemna ca ii aveai.
cool.gif circuit era presurizat si aveai peste 110 grade
Care varianta pare a fi cea corecta?


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