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"Tac" in pedala de frana la pornire

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viezure
post 28 Nov 2016, 10:04
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Salutare,

Am avut masina in service ptr schimb kit ambreiaj, placute frana, tampoane motor si rulmenti roti spate.
Masina merge desigur acum mult mai bine si lin insa din cand in cand, necorelat cu vreo conditie preexistenta atunci cand pornesc motorul, exact in momentul in care acesta "rupe" si porneste simt un tac/soc in pedala de frana.
Are cineva idee ce ar putea fi, sa fie ceva grav?

Multumesc!


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TomachE
post 28 Nov 2016, 11:40
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Nu mai bine te duci inpoi in service si sa le spui treaba asta !? Poate au facut ceva incorect....


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argon
post 28 Nov 2016, 13:18
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Nu mai porni cu frana apasata, ci cu ambreiajul. Daca pornesti doar cu frana, uzura bateriei si a electromotorului e mult accentuata, in special iarna, dar si vara. O oarecare miscare in pedala de frana e normala in timpul pornirii, daca o ti apasata, din cauza vacumului inexistent inbainte de pornire.

This post has been edited by argon: 28 Nov 2016, 13:19


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viezure
post 28 Nov 2016, 13:35
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Multumesc ptr sugestii!
In service nu pot merge ptr ca fiind intamplatoare treaba si doar la cate o pornire aleator nu am ce sa le arat smile.gif
Atunci cand pornesc tin apasatesi ambreiajul dar si frana, nu o sa o mai apas daca spuneti asa.
Tacul din pedala se traduce intr-un soc scurt ca o trosnitura de articulatie, spuneti ca este normal provenind de la pompa de frana sa inteleg nu?

Numai bine!


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argon
post 28 Nov 2016, 13:38
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Nu stiu daca e normal sau nu, ca nu apas frana niciodata la pornire , doar ambreiajul. Daca apesi si frana, presiunea din servo e cea atmosferica, pedala e tare, in momentul cand pornesti, apare brusc vidul, si cel putin o zvacnire in jos e normala...de trosnituri nu stiu ce sa zic.

This post has been edited by argon: 28 Nov 2016, 13:39


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Tossi
post 28 Nov 2016, 13:47
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Servo frana functioneaza pe baza de vaccum, cand se ramane fara vacuum in tulumba aceasta se blocheaza si va pocni la prima pornire...la mine face la fel daca las masina mai mult de 2-3 zile nepornita....


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b76bgaarh
post 28 Nov 2016, 13:48
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si majina sta singura peloc arguane sau parchezi decat pe plat?


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argon
post 28 Nov 2016, 13:53
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Parcata o las in viteza plus frana de mana, si la pornire sta doar in frana de mana + ambreiaj apasat.

This post has been edited by argon: 28 Nov 2016, 13:53


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b76bgaarh
post 28 Nov 2016, 13:58
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mare tampenie.


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viezure
post 28 Nov 2016, 18:26
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Merci baieti!
Azi am constatat ca socul se simte si cand opresc motorul sad.gif; o fi ceva slabit si bate...


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Salinas
post 28 Nov 2016, 19:04
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QUOTE(argon @ 28 Nov 2016, 13:53)
Parcata o las in viteza plus frana de mana, si la pornire sta doar in frana de mana + ambreiaj apasat.
*




QUOTE(b76bgaarh @ 28 Nov 2016, 13:58)
mare tampenie.
*



Asa parchez si eu, de vreo 25 de ani, pentru ca locul de parcare este un pic in panta. Cand o sa apara probleme, din aceasta cauza, va anunt. Pornirea tot doar cu ambreiaj calcat. Am uitat sa specific: spatele e mai sus,de regula! smile.gif


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viezure
post 29 Nov 2016, 17:15
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Am fost in service si nu reusesc nici ei sa gaseasca sursa socului. Se aude/simte la pornire si oprire DOAR in pedala de frana; nu se aude de afara masina fiind chiar pe elevator cu scutul jos...
Nu stiu ce sa ii mai fac...orice sugestie e bine venita.


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