{"id":21905,"date":"2025-07-25T23:59:29","date_gmt":"2025-07-25T20:59:29","guid":{"rendered":"https:\/\/diagnozabam.ro\/sfaturi\/?p=21905"},"modified":"2026-09-23T08:20:40","modified_gmt":"2026-09-23T05:20:40","slug":"etrierul-de-frana-cum-functioneaza-si-de-ce-e-vital","status":"publish","type":"post","link":"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/etrierul-de-frana-cum-functioneaza-si-de-ce-e-vital\/","title":{"rendered":"Etrier De Fr\u00e2n\u0103: Cum Func\u021bioneaz\u0103 Cu Adev\u0103rat?"},"content":{"rendered":"<h2 dir=\"ltr\">Etrier De Fr\u00e2n\u0103: Cum Func\u021bioneaz\u0103 Cu Adev\u0103rat?<\/h2>\n<p dir=\"ltr\">Ape\u0219i pedala de fr\u00e2n\u0103 de zeci de ori pe zi, f\u0103r\u0103 s\u0103 te g\u00e2nde\u0219ti ce se \u00eent\u00e2mpl\u0103 \u00een spatele jantei. Totul se termin\u0103, de fapt, \u00eentr-o singur\u0103 component\u0103: <strong>etrierul<\/strong>.<\/p>\n<p dir=\"ltr\">Etrierul este piesa care transform\u0103 o ap\u0103sare de picior \u00eentr-o for\u021b\u0103 de frecare capabil\u0103 s\u0103 opreasc\u0103 o ma\u0219in\u0103 de peste o ton\u0103. Pare simplu la prima vedere, dar mecanismul intern ascunde detalii care fac diferen\u021ba \u00eentre o fr\u00e2nare precis\u0103 \u0219i una periculoas\u0103.<\/p>\n<p dir=\"ltr\">\u00cen acest articol descompunem etrierul complet: principiul hidraulic, tipurile constructive, componenta electric\u0103 din etrierele moderne cu fr\u00e2n\u0103 de <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/reguli-de-stationare-si-oprire-pe-drumurile-din-localitati-ce-trebuie-sa-stie-soferii\/\">parcare<\/a> integrat\u0103 \u0219i semnele clare c\u0103 un etrier are nevoie de interven\u021bie.<\/p>\n<hr \/>\n<h2 dir=\"ltr\">Principiul de func\u021bionare hidraulic\u0103<\/h2>\n<p dir=\"ltr\">Sistemul de fr\u00e2nare cu disc se bazeaz\u0103 pe un principiu simplu: lichidul de fr\u00e2n\u0103 nu este compresibil, deci orice presiune aplicat\u0103 la un cap\u0103t al circuitului ajunge, aproape instant, la cel\u0103lalt cap\u0103t.<\/p>\n<ol dir=\"ltr\">\n<li>La ap\u0103sarea pedalei, tija pompei centrale \u00eempinge un piston \u00een interiorul cilindrului principal.<\/li>\n<li>Acest piston presurizeaz\u0103 lichidul de fr\u00e2n\u0103 din \u00eentregul circuit hidraulic.<\/li>\n<li>Presiunea ajunge prin conducte \u0219i furtunuri flexibile la fiecare etrier.<\/li>\n<li>\u00cen interiorul etrierului, unul sau mai multe pistoane hidraulice se deplaseaz\u0103 sub aceast\u0103 presiune.<\/li>\n<li>Pistoanele \u00eemping pl\u0103cu\u021bele de fr\u00e2n\u0103 direct pe discul de fr\u00e2n\u0103.<\/li>\n<li>Frecarea rezultat\u0103 transform\u0103 energia cinetic\u0103 a ro\u021bii \u00een c\u0103ldur\u0103, reduc\u00e2nd viteza de rota\u021bie.<\/li>\n<\/ol>\n<blockquote>\n<p dir=\"ltr\">\u2139\ufe0f <strong>Not\u0103 tehnic\u0103:<\/strong> For\u021ba de ap\u0103sare pe disc depinde de suprafa\u021ba pistonului, nu doar de presiunea din circuit. De aceea etrierele cu pistoane mai mari (sau cu mai multe pistoane) genereaz\u0103 o for\u021b\u0103 de fr\u00e2nare mai mare la aceea\u0219i presiune hidraulic\u0103 \u2014 solu\u021bie folosit\u0103 frecvent la ma\u0219inile performante.<\/p>\n<\/blockquote>\n<blockquote class=\"wp-embedded-content\" data-secret=\"X9s3qP2a1y\"><p><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/largenda-lamborghini-urus-s-performante\/\">Largenda Urus Kit: 18-Part Carbon Body Breakdown<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201cLargenda Urus Kit: 18-Part Carbon Body Breakdown\u201d \u2014 Diagnoza BAM\" src=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/largenda-lamborghini-urus-s-performante\/embed\/#?secret=l3qUO6ubEv#?secret=X9s3qP2a1y\" data-secret=\"X9s3qP2a1y\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<hr \/>\n<h2 dir=\"ltr\">Tipurile constructive de etrier<\/h2>\n<h3 dir=\"ltr\">Etrierul fix<\/h3>\n<p dir=\"ltr\">Etrierul fix are pistoane montate pe ambele fe\u021be ale discului, \u00eentr-o carcas\u0103 rigid\u0103, care nu se deplaseaz\u0103 lateral. Fiecare parte a pl\u0103cu\u021bei prime\u0219te presiune direct, de la propriile pistoane.<\/p>\n<p dir=\"ltr\">Avantaje:<\/p>\n<ul dir=\"ltr\">\n<li>presiune distribuit\u0103 mai uniform pe toat\u0103 suprafa\u021ba pl\u0103cu\u021bei;<\/li>\n<li>r\u0103spuns mai rigid \u0219i mai precis, apreciat la fr\u00e2n\u0103ri intense repetate.<\/li>\n<\/ul>\n<p dir=\"ltr\">Dezavantaje:<\/p>\n<ul dir=\"ltr\">\n<li>construc\u021bie mai complex\u0103 \u0219i mai scump\u0103;<\/li>\n<li>necesit\u0103 etan\u0219\u0103ri suplimentare, deci mai multe puncte posibile de scurgere.<\/li>\n<\/ul>\n<h3 dir=\"ltr\">Etrierul flotant (glisant)<\/h3>\n<p dir=\"ltr\">Etrierul flotant are pistoane doar pe o singur\u0103 parte a discului. Restul corpului etrierului este montat pe <strong>glisiere<\/strong> \u2014 buc\u0219e metalice acoperite cu man\u0219oane de cauciuc, care permit etrierului s\u0103 se deplaseze lateral.<\/p>\n<p dir=\"ltr\">Func\u021bionarea e ingenioas\u0103: c\u00e2nd pistonul \u00eempinge pl\u0103cu\u021ba interioar\u0103 spre disc, \u00eentreg corpul etrierului \u201ealunec\u0103&#8221; \u00een sens opus pe glisiere, tr\u0103g\u00e2nd astfel \u0219i pl\u0103cu\u021ba exterioar\u0103 spre disc. Practic, o singur\u0103 for\u021b\u0103 hidraulic\u0103 apas\u0103 discul din ambele p\u0103r\u021bi.<\/p>\n<blockquote>\n<p dir=\"ltr\">\u2139\ufe0f <strong>Not\u0103 tehnic\u0103:<\/strong> Glisierele murdare sau ruginite sunt cea mai frecvent\u0103 cauz\u0103 de uzur\u0103 neuniform\u0103 a pl\u0103cu\u021belor la etrierele flotante \u2014 dac\u0103 etrierul nu mai alunec\u0103 liber, doar pl\u0103cu\u021ba interioar\u0103 fr\u00e2neaz\u0103 eficient.<\/p>\n<\/blockquote>\n<h3 dir=\"ltr\">Rolul garniturii de piston \u00een retragerea pasiv\u0103<\/h3>\n<p dir=\"ltr\">Un detaliu ignorat de majoritatea explica\u021biilor: pistonul etrierului <strong>nu se retrage printr-un arc<\/strong>, ca la multe alte sisteme mecanice. Retragerea se face prin elasticitatea unei singure garnituri de cauciuc montate \u00een canalul cilindrului.<\/p>\n<p dir=\"ltr\">C\u00e2nd pistonul avanseaz\u0103 sub presiune, <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/cum-se-verifica-garnitura-de-chiulasa\/\">garnitura<\/a> se deformeaz\u0103 u\u0219or odat\u0103 cu el. La eliberarea pedalei, <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/cum-se-verifica-garnitura-de-chiulasa\/\">garnitura<\/a> revine la forma ini\u021bial\u0103 \u0219i trage pistonul \u00eenapoi c\u00e2\u021biva zecimi de milimetru \u2014 suficient pentru a elibera pl\u0103cu\u021ba de pe disc, dar nu at\u00e2t de mult \u00eenc\u00e2t cursa pedalei s\u0103 creasc\u0103.<\/p>\n<blockquote>\n<p dir=\"ltr\">\u26a0\ufe0f <strong>AVERTISMENT:<\/strong> Dac\u0103 aceast\u0103 garnitur\u0103 se \u00eent\u0103re\u0219te sau se deterioreaz\u0103 \u00een timp, pistonul r\u0103m\u00e2ne par\u021bial avansat, iar pl\u0103cu\u021ba freac\u0103 permanent discul. Rezultatul este exact ceea ce se nume\u0219te \u00een service \u201eetrier gripat&#8221; \u2014 de\u0219i pistonul, mecanic, nu este blocat fizic, ci doar nu se mai retrage suficient.<\/p>\n<\/blockquote>\n<blockquote class=\"wp-embedded-content\" data-secret=\"nHmJJrBvCu\"><p><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/masini-electrice-baterii-solid-state-autonomie-record\/\">Bateriile Solid-State pe Ma\u0219ini Electrice: Ghid Tehnic \u0219i Avantaje<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201cBateriile Solid-State pe Ma\u0219ini Electrice: Ghid Tehnic \u0219i Avantaje\u201d \u2014 Diagnoza BAM\" src=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/masini-electrice-baterii-solid-state-autonomie-record\/embed\/#?secret=noeEPiKEoD#?secret=nHmJJrBvCu\" data-secret=\"nHmJJrBvCu\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<hr \/>\n<h2 dir=\"ltr\">Etrierul cu fr\u00e2n\u0103 de parcare electric\u0103 integrat\u0103 (EPB)<\/h2>\n<p dir=\"ltr\">Foarte multe ma\u0219ini moderne nu mai folosesc un cablu mecanic de fr\u00e2n\u0103 de m\u00e2n\u0103. \u00cen schimb, etrierul spate integreaz\u0103 un <strong><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/motor-turbo-2\/\">motor<\/a> electric<\/strong> care ac\u021bioneaz\u0103 direct pistonul, prin intermediul unui mecanism \u0219urub-piuli\u021b\u0103.<\/p>\n<p dir=\"ltr\">Cum func\u021bioneaz\u0103:<\/p>\n<ol dir=\"ltr\">\n<li>La activarea butonului de fr\u00e2n\u0103 de <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/reguli-de-stationare-si-oprire-pe-drumurile-din-localitati-ce-trebuie-sa-stie-soferii\/\">parcare<\/a>, calculatorul EPB trimite curent c\u0103tre motorul electric din etrier.<\/li>\n<li>Motorul rote\u0219te un \u0219urub intern, care avanseaz\u0103 o piuli\u021b\u0103 montat\u0103 solidar cu pistonul.<\/li>\n<li>Piuli\u021ba \u00eempinge pistonul spre disc, bloc\u00e2nd mecanic roata \u2014 f\u0103r\u0103 nicio presiune hidraulic\u0103 implicat\u0103.<\/li>\n<li>La eliberare, motorul se rote\u0219te \u00een sens invers, retr\u0103g\u00e2nd pistonul.<\/li>\n<\/ol>\n<blockquote>\n<p dir=\"ltr\">\u26a0\ufe0f <strong>AVERTISMENT:<\/strong> La aceste etriere, \u00eenlocuirea pl\u0103cu\u021belor de fr\u00e2n\u0103 NU se poate face prin simpla ap\u0103sare manual\u0103 a pistonului \u00eenapoi, ca la etrierele clasice. Pistonul trebuie retras electric, printr-o comand\u0103 de \u201emod service&#8221; din tester, altfel motorul intern sau mecanismul \u0219urub-piuli\u021b\u0103 se poate deteriora ireversibil.<\/p>\n<\/blockquote>\n<p dir=\"ltr\">Aceast\u0103 diferen\u021b\u0103 face din etrierele EPB o surs\u0103 frecvent\u0103 de confuzie pentru cei care lucreaz\u0103 dup\u0103 metode vechi, f\u0103r\u0103 un instrument capabil de resetare EPB.<\/p>\n<hr \/>\n<h2 dir=\"ltr\">De ce este important un etrier func\u021bional corect<\/h2>\n<ul dir=\"ltr\">\n<li>Asigur\u0103 o fr\u00e2nare uniform\u0103 pe ambele ro\u021bi ale aceleia\u0219i axe \u2014 esen\u021bial pentru stabilitatea ma\u0219inii la <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/ce-se-intampla-daca-franezi-cu-piciorul-pe-ambreiaj\/\">fr\u00e2nare brusc\u0103<\/a>.<\/li>\n<li>Men\u021bine <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/ce-se-intampla-daca-franezi-cu-piciorul-pe-ambreiaj\/\">distan\u021ba de fr\u00e2nare<\/a> \u00een parametri siguri, mai ales la viteze mari sau pe carosabil umed.<\/li>\n<li>Un etrier <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/%e2%9a%99%ef%b8%8f-debitmetru-aer-defect-simptome-cauze-si-solutii\/\">defect<\/a> poate anula par\u021bial efectul ABS-ului, pentru c\u0103 sistemul reac\u021bioneaz\u0103 gre\u0219it dac\u0103 o roat\u0103 fr\u00e2neaz\u0103 diferit fa\u021b\u0103 de cealalt\u0103.<\/li>\n<\/ul>\n<hr \/>\n<h2 dir=\"ltr\">Semne clare c\u0103 un etrier are o problem\u0103<\/h2>\n<ul dir=\"ltr\">\n<li><strong>Ma\u0219ina trage lateral la fr\u00e2nare<\/strong> \u2014 semn clasic de etrier gripat pe o singur\u0103 roat\u0103.<\/li>\n<li><strong>Sc\u00e2r\u021b\u00e2it sau frecare constant\u0103<\/strong>, chiar \u0219i cu piciorul de pe pedal\u0103 \u2014 piston care nu se retrage complet.<\/li>\n<li><strong>Roat\u0103 sau jant\u0103 anormal de fierbinte<\/strong> dup\u0103 un traseu scurt \u2014 pl\u0103cu\u021b\u0103 care freac\u0103 permanent discul.<\/li>\n<li><strong><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/coeficient-aerodinamic-cx\/\">Consum de combustibil<\/a> crescut f\u0103r\u0103 motiv aparent<\/strong> \u2014 fr\u00e2nare parazit\u0103 continu\u0103, care \u00eencarc\u0103 suplimentar motorul.<\/li>\n<li><strong>Uzur\u0103 vizibil inegal\u0103 \u00eentre pl\u0103cu\u021ba interioar\u0103 \u0219i cea exterioar\u0103<\/strong> \u2014 problem\u0103 de glisiere la etrierul flotant.<\/li>\n<li><strong>Lumin\u0103 de avertizare EPB aprins\u0103 pe <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/%e2%9a%a1-bord-pom-de-craciun-dupa-deconectarea-bateriei\/\">bord<\/a><\/strong> \u2014 de regul\u0103 un cod electronic stocat \u00een calculatorul de fr\u00e2n\u0103 de <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/reguli-de-stationare-si-oprire-pe-drumurile-din-localitati-ce-trebuie-sa-stie-soferii\/\">parcare<\/a>, nu neap\u0103rat o defec\u021biune mecanic\u0103.<\/li>\n<\/ul>\n<hr \/>\n<h2 dir=\"ltr\">\u00centre\u021binere corect\u0103<\/h2>\n<ul dir=\"ltr\">\n<li>Verific\u0103 periodic grosimea pl\u0103cu\u021belor \u0219i starea discurilor \u2014 o pl\u0103cu\u021b\u0103 sub limita minim\u0103 poate deteriora discul ireversibil.<\/li>\n<li>Schimb\u0103 lichidul de fr\u00e2n\u0103 la intervalul recomandat de produc\u0103tor; lichidul \u00eemb\u0103tr\u00e2nit absoarbe umezeal\u0103 \u0219i corodeaz\u0103 pistoanele din interior.<\/li>\n<li>Cur\u0103\u021b\u0103 \u0219i lubrifiaz\u0103 periodic glisierele etrierelor flotante, mai ales \u00eenainte de sezonul de iarn\u0103.<\/li>\n<li>La etrierele EPB, nu for\u021ba niciodat\u0103 retragerea manual\u0103 a pistonului \u2014 folose\u0219te \u00eentotdeauna procedura electronic\u0103 corect\u0103.<\/li>\n<\/ul>\n<hr \/>\n<h2 dir=\"ltr\">Diagnoza corect\u0103 la marginea drumului<\/h2>\n<p dir=\"ltr\">Pentru un <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/nt301-vs-dongle-bluetooth-cine-castiga-duelul-obd2\/\">mecanic mobil<\/a>, un etrier suspect de gripare se confirm\u0103 rapid prin compara\u021bie direct\u0103: verific\u0103 temperatura discului pe ambele ro\u021bi ale aceleia\u0219i axe, imediat dup\u0103 un traseu scurt. O diferen\u021b\u0103 semnificativ\u0103 \u00eentre cele dou\u0103 discuri indic\u0103 aproape sigur o roat\u0103 care fr\u00e2neaz\u0103 parazit.<\/p>\n<p dir=\"ltr\">Pentru ma\u0219inile cu EPB, orice interven\u021bie pe pl\u0103cu\u021be necesit\u0103 un instrument capabil s\u0103 comande \u201emod service&#8221; pentru retragerea electric\u0103 a pistonului. Un scanner precum <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/uleiul-a-expirat-asa-iti-distrugi-motorul\/\">THINKSCAN 689BT<\/a>\u00a0acoper\u0103 aceast\u0103 func\u021bie pentru majoritatea m\u0103rcilor europene, permi\u021b\u00e2nd \u00eenlocuirea pl\u0103cu\u021belor \u00een siguran\u021b\u0103, direct la marginea drumului, f\u0103r\u0103 riscul de a for\u021ba motorul electric al etrierului.<\/p>\n<div tabindex=\"0\" role=\"group\" aria-label=\"Code\">\n<div>\n<div><\/div>\n<\/div>\n<div>\n<pre><code>PEDAL\u0102 FR\u00c2N\u0102 \u2192 POMP\u0102 CENTRAL\u0102 \u2192 LICHID FR\u00c2N\u0102 \u2192 <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/retragere-etrier-spate-mecanic-cum-se-face\/\">PISTON ETRIER<\/a> \u2192 PL\u0102CU\u021aE \u2192 DISC FR\u00c2N\u0102 \u2192 OPRIRE<\/code><\/pre>\n<\/div>\n<\/div>\n<hr \/>\n<h2 dir=\"ltr\">Concluzie<\/h2>\n<p dir=\"ltr\">Etrierul pare o pies\u0103 simpl\u0103, dar ascunde detalii esen\u021biale: felul \u00een care se retrage pasiv un piston, diferen\u021ba real\u0103 dintre un etrier fix \u0219i unul flotant, \u0219i complexitatea suplimentar\u0103 adus\u0103 de motoarele <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/autonomie-masini-electrice-2026-ce-modele-conduc-topul\/\">electrice<\/a> din etrierele EPB moderne. \u00cen\u021belegerea acestor mecanisme ajut\u0103 la un diagnostic corect \u0219i la evitarea interven\u021biilor gre\u0219ite, mai ales pe ma\u0219inile noi.<\/p>\n<hr \/>\n<h2 dir=\"ltr\">\u00centreb\u0103ri frecvente (FAQ) \u2014 Etrier de fr\u00e2n\u0103<\/h2>\n<p dir=\"ltr\"><strong>1. Ce simptome indic\u0103 un etrier blocat?<\/strong> Ma\u0219ina trage \u00eentr-o parte la fr\u00e2nare, se aude sc\u00e2r\u021b\u00e2it sau frecare constant\u0103, iar roata respectiv\u0103 poate r\u0103m\u00e2ne anormal de fierbinte dup\u0103 drum.<\/p>\n<p dir=\"ltr\"><strong>2. Pot schimba doar etrierul, f\u0103r\u0103 pl\u0103cu\u021be sau disc?<\/strong> Da, dar se recomand\u0103 verificarea pl\u0103cu\u021belor \u0219i discului existent. Dac\u0103 sunt uzate neuniform din cauza etrierului vechi, e indicat s\u0103 fie \u00eenlocuite \u00een acela\u0219i timp.<\/p>\n<p dir=\"ltr\"><strong>3. C\u00e2t cost\u0103 \u00eenlocuirea unui etrier?<\/strong> Variaz\u0103 dup\u0103 model, de regul\u0103 \u00eentre 150 \u0219i 700 lei pentru pies\u0103, plus manoper\u0103 separat\u0103.<\/p>\n<p dir=\"ltr\"><strong>4. Se poate recondi\u021biona un etrier?<\/strong> Da, dac\u0103 nu este fisurat sau corodat structural. Se pot \u00eenlocui <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/cum-se-verifica-garnitura-de-chiulasa\/\">garnitura<\/a> de piston, pistonul propriu-zis \u0219i glisierele.<\/p>\n<p dir=\"ltr\"><strong>5. Ce se \u00eent\u00e2mpl\u0103 dac\u0103 merg \u00een continuare cu un etrier gripat?<\/strong> Discul se supra\u00eenc\u0103lze\u0219te, pl\u0103cu\u021ba se uzeaz\u0103 accelerat, iar <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/ce-se-intampla-daca-franezi-cu-piciorul-pe-ambreiaj\/\">distan\u021ba de fr\u00e2nare<\/a> cre\u0219te semnificativ \u2014 un risc real de accident.<\/p>\n<p dir=\"ltr\"><strong>6. De ce nu pot retrage manual pistonul la o ma\u0219in\u0103 cu fr\u00e2n\u0103 de <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/reguli-de-stationare-si-oprire-pe-drumurile-din-localitati-ce-trebuie-sa-stie-soferii\/\">parcare<\/a> electric\u0103?<\/strong> Pentru c\u0103 pistonul este ac\u021bionat printr-un mecanism \u0219urub-piuli\u021b\u0103 comandat de un <a href=\"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/motor-turbo-2\/\">motor<\/a> electric. For\u021barea manual\u0103 poate rupe mecanismul intern; retragerea trebuie f\u0103cut\u0103 electronic, prin mod service.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Etrier De Fr\u00e2n\u0103: Cum Func\u021bioneaz\u0103 Cu Adev\u0103rat? Ape\u0219i pedala de fr\u00e2n\u0103 de zeci de ori pe zi, f\u0103r\u0103 s\u0103 te g\u00e2nde\u0219ti ce se \u00eent\u00e2mpl\u0103 \u00een spatele jantei. Totul se termin\u0103, de fapt, \u00eentr-o singur\u0103 component\u0103: etrierul. Etrierul este piesa care transform\u0103 o ap\u0103sare de picior \u00eentr-o for\u021b\u0103 de frecare capabil\u0103 s\u0103 opreasc\u0103 o ma\u0219in\u0103 de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21906,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1933],"tags":[44532,51339,55080,55086,55084,55082,53583,37894,10366,7702],"class_list":["post-21905","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-auto","tag-diagnoza-frane","tag-epb","tag-etrier-de-frana","tag-etrier-fix","tag-etrier-flotant","tag-etrier-gripat","tag-frana-de-parcare-electrica","tag-piston-etrier","tag-placute-de-frana","tag-sistem-de-franare"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v28.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Etrier De Fr\u00e2n\u0103: Cum Func\u021bioneaz\u0103 Cu Adev\u0103rat? - Diagnoza BAM<\/title>\n<meta name=\"description\" content=\"Etrierul transform\u0103 presiunea hidraulic\u0103 \u00een fr\u00e2nare. 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