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Temperatura apa motor!

espacern
post 19 Feb 2015, 14:49
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QUOTE(petreaiulian @ 19 Feb 2015, 14:38)
Am fost azi la service iar verdictul a fost crunt chiuloasa fisurata

Banuiesc ca s-a demontat chiuloasa.....sau cum s-a pus diagnosticul asta?


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cj98czh
post 19 Feb 2015, 15:02
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Pai daca a facut-o fara demontare mesterul respectiv are puteri paranormale smile.gif


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petreaiulian
post 19 Feb 2015, 15:06
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Pai doar nu m am dus la service sa o admire :0. Da a demontat si in prima faza a gasit garnitura fisurata (asta credeam ca are) la p4 dupa care cand a curatat chiuloasa a gasit fisura la p2.

19 Feb 2015, 15:07:
Stie cineva care e diferenta intre motorul d7f-726 si d7f-720. Ca am gasit chiula sh de 720 si sper din suflet sa se potriveasca

This post has been edited by petreaiulian: 19 Feb 2015, 15:07


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vallixx
post 19 Feb 2015, 15:16
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Antigel in motor = fum alb la esapament.

Ulei in antigel = mazga cafenie in vas

Sa nu fie doar garnitura.....ai scapa mai usor.


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espacern
post 19 Feb 2015, 15:20
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QUOTE(cj98czh @ 19 Feb 2015, 15:02)
fara demontare mesterul respectiv are puteri

Sunt si metode de diagnoza fara demontare dar nu-ti da 100% garantia constatarii......dar sunt si mesteri care "constata" dupa ureche si doar taxeaza reparatia chiuloasei (schimba doar garnitura).


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petreaiulian
post 19 Feb 2015, 15:28
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Mai da intelegeti ca omu mi a aratat chiulasa si fisura eu am spus ce avea masina mea ca in ideea de mai intalneste cineva problema sa stie ce poate verifica.
Masina mea nu scotea fum alb, nu amesteca uleiul cu apa, ci doar pana la prima deschidere de termostat apa se ridica mai mult decat normal. Cauza acestei simtome au fost, bhuson vas de expansiune defect nu tinea presiune in instalatie plus garnitura impuscata, putin cei drept la p4 si fisura in chiuloasa la p2.
Asta e acum am gasit o chiuloasa sh la cineva el are d7f720 si eu d7f726. si vroiam sa stiu daca poot avea surprize de "nepotrivire de caracter".


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Gabi1991
post 24 Dec 2016, 22:18
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Aveti idee daca e normal sa scada temperatura motorului (1.6 16V -megane 2.2) foarte putin in momentul cand merg constant cu 1500 de rot/min la o temperatura exteriora de -5 grade? Daca o calc putin pana la 1800-2000 de rot/min revine imediat la temperatura optima de functionare.

This post has been edited by Gabi1991: 24 Dec 2016, 22:28


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z_fdd bacau
post 24 Dec 2016, 23:38
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n-am o idee despre asta, dar intreb ca poate ajuta pe altcineva sa-ti ofere un raspuns: treaba asta se petrece chiar daca accelerezi si decelerezi de 10 ori intr-un minut? (adica de fiecare data cand faci operatiunile astea sau doar uneori?...)

''foarte putin'' inseamna cat, jumatate de gradatie, o gradatie?

Doar la -5 grade ai constatat asta sau se petrece si la alte temperaturi exterioare? Se manifesta la fel si la alte temperaturi?


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Gabi1991
post 25 Dec 2016, 00:46
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Se manifesta si la alte temperaturi, doar ce am achizitionat-o. Face asa doar uneori. Sta la a - 3 - a liniuta si ccobora pana aproape de jumatatea distantei dintre liniuta 3 si liniuta 2. Cum accelerez peste 1500 de rot/min imediat se stabilizeaza pe a -3-a liniuta. Caldura baga fierbinte.

Se intampla si cand cobor o panta sau o scot pe liber.

This post has been edited by Gabi1991: 25 Dec 2016, 00:49


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roland
post 25 Dec 2016, 09:41
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In frana de motor nu ai consum, deci motorul se raceste, deci e normal. La mers constant in sarcina mica e normal sa se incalzeasca mai putin decat in acceleratie sau sarcina mare. E normal sa fie mici variatii de temperatura. Mici.


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Gabi1991
post 25 Dec 2016, 09:57
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Exact, sunt variatii foarte mici. In rest, acul nu se misca din zona optima.


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roland
post 25 Dec 2016, 14:54
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All good then.


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RazvanF
post 25 Dec 2016, 21:15
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Nu ai specificat in cat timp ajunge motorul la temperatura optima de functionare. Daca ii creste greu temperatura atunci ai termostatul blocat pe deschis.


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roland
post 26 Dec 2016, 10:40
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Daca ar avea termostatul blocat pe deschis, la -5° afara nu cred ca ar ajunge temperatura vreodata in zona optima.


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Gabi1991
post 26 Dec 2016, 13:30
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Se incalzeste foarte repede, cred ca in 6 km mers exterior la 2000 de rot/min a ajuns la temperatura optima in conditiile actuale de vreme. Caldura incepe sa bage in 2-3 KM.


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RazvanF
post 26 Dec 2016, 18:15
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QUOTE(roland @ 25 Dec 2016, 14:54)
All good then.
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