{"title":"Vedantes das Válvulas","description":"\u003cp data-start=\"0\" data-end=\"42\"\u003eOs \u003cstrong data-start=\"47\" data-end=\"62\"\u003evalve seals\u003c\/strong\u003e (em português, \u003cstrong\u003evedantes\u003c\/strong\u003e\/\u003cstrong data-start=\"78\" data-end=\"104\"\u003eretentores das válvulas\u003c\/strong\u003e) são pequenos componentes de vedação instalados sobre os \u003cstrong data-start=\"162\" data-end=\"198\"\u003eguias de válvulas (valve guides)\u003c\/strong\u003e. A sua função é \u003cstrong data-start=\"215\" data-end=\"249\"\u003econtrolar a quantidade de óleo\u003c\/strong\u003e que lubrifica a haste da válvula (\u003cstrong data-start=\"284\" data-end=\"298\"\u003evalve stem\u003c\/strong\u003e) enquanto ela se move, evitando que o excesso de óleo entre na \u003cstrong data-start=\"362\" data-end=\"406\"\u003ecâmara de combustão (combustion chamber)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"659\" data-end=\"687\"\u003e⚙️ \u003cstrong data-start=\"662\" data-end=\"685\"\u003eFunções principais:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-start=\"688\" data-end=\"919\"\u003e\n\u003cli data-start=\"688\" data-end=\"742\"\u003e\n\u003cp data-start=\"691\" data-end=\"742\"\u003e\u003cstrong data-start=\"691\" data-end=\"719\"\u003eControlar a lubrificação\u003c\/strong\u003e da haste da válvula.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"743\" data-end=\"794\"\u003e\n\u003cp data-start=\"746\" data-end=\"794\"\u003e\u003cstrong data-start=\"746\" data-end=\"782\"\u003eEvitar consumo excessivo de óleo\u003c\/strong\u003e no motor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"795\" data-end=\"860\"\u003e\n\u003cp data-start=\"798\" data-end=\"860\"\u003e\u003cstrong data-start=\"798\" data-end=\"831\"\u003eImpedir formação de depósitos\u003c\/strong\u003e e fumaça azul pelo escape.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"861\" data-end=\"919\"\u003e\n\u003cp data-start=\"864\" data-end=\"919\"\u003e\u003cstrong data-start=\"864\" data-end=\"888\"\u003eAumentar a vida útil\u003c\/strong\u003e da válvula, guia e cúpula\/cabeçote.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"921\" data-end=\"948\"\u003e📌 \u003cstrong data-start=\"924\" data-end=\"946\"\u003eTipos mais comuns:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"949\" data-end=\"1168\"\u003e\n\u003cli data-start=\"949\" data-end=\"1046\"\u003e\n\u003cp data-start=\"951\" data-end=\"1046\"\u003e\u003cstrong data-start=\"951\" data-end=\"996\"\u003ePositive Valve Seals (retentor positivo):\u003c\/strong\u003e vedação firme, permite passagem mínima de óleo.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1047\" data-end=\"1168\"\u003e\n\u003cp data-start=\"1049\" data-end=\"1168\"\u003e\u003cstrong data-start=\"1049\" data-end=\"1094\"\u003eUmbrella Valve Seals (tipo guarda-chuva):\u003c\/strong\u003e menos comuns atualmente, permitem mais óleo, usadas em motores antigos.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1170\" data-end=\"1330\"\u003e👉 Quando os \u003cstrong data-start=\"1183\" data-end=\"1208\"\u003eretentores de válvula\u003c\/strong\u003e estão gastos, os sintomas mais comuns são \u003cstrong data-start=\"1251\" data-end=\"1294\"\u003efumaça azul na partida ou desaceleração\u003c\/strong\u003e e \u003cstrong data-start=\"1297\" data-end=\"1327\"\u003eaumento do consumo de óleo\u003c\/strong\u003e.\u003c\/p\u003e","products":[],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/6438\/7772\/collections\/valve-seals-collection-image.png?v=1755766511","url":"https:\/\/xn--redepeas-x0a.com\/collections\/vedantes-das-valvulas.oembed","provider":"Rede Peças","version":"1.0","type":"link"}