{"id":87289,"date":"2023-08-11T18:01:10","date_gmt":"2023-08-11T18:01:10","guid":{"rendered":"https:\/\/mx.motorad.com\/apercu-du-systeme-de-refroidissement\/"},"modified":"2023-08-11T18:01:10","modified_gmt":"2023-08-11T18:01:10","slug":"apercu-du-systeme-de-refroidissement","status":"publish","type":"post","link":"https:\/\/mx.motorad.com\/fr\/apercu-du-systeme-de-refroidissement\/","title":{"rendered":"Aper\u00e7u du syst\u00e8me de refroidissement"},"content":{"rendered":"<p>Le syst\u00e8me de refroidissement du moteur a pour fonction de dissiper la chaleur g\u00e9n\u00e9r\u00e9e par la combustion du carburant dans le moteur et de maintenir une temp\u00e9rature de fonctionnement optimale afin de pr\u00e9venir les dommages et d&rsquo;am\u00e9liorer le rendement du moteur.<\/p>\n<p>Vous ne changeriez pas votre huile sans changer le filtre \u00e0 huile, alors pourquoi serait-il acceptable d&rsquo;installer un nouveau radiateur ou d&rsquo;ajouter du liquide de refroidissement sans remplacer le bouchon de radiateur et le thermostat. Les bouchons de radiateur et les thermostats sont essentiels au bon fonctionnement du syst\u00e8me de refroidissement. Ce sont deux composants qui surveillent les param\u00e8tres du syst\u00e8me et s&rsquo;ajustent pour maintenir les conditions souhait\u00e9es.  <\/p>\n<p>Le bouchon de radiateur surveille la pression du syst\u00e8me de refroidissement et s&rsquo;ajuste constamment pour maintenir la pression souhait\u00e9e. Les bouchons de radiateur peuvent tomber en panne lorsque les joints en caoutchouc deviennent secs et se fissurent en raison de la chaleur et de faibles niveaux de liquide de refroidissement. Le ressort du bouchon s&rsquo;use \u00e9galement avec le temps et peut s&rsquo;affaiblir et laisser fuir le liquide de refroidissement, causant une usure excessive du moteur. Cela peut se produire entre 80 000 et 96 000 kilom\u00e8tres d&rsquo;utilisation. Si le bouchon de radiateur ne fonctionne pas correctement, le liquide de refroidissement peut bouillir dans le syst\u00e8me, causant de graves dommages au moteur et aux composants du syst\u00e8me de refroidissement.    <\/p>\n<p>Tout comme le bouchon de radiateur, le thermostat assure \u00e9galement la surveillance et le contr\u00f4le du syst\u00e8me, ce qui en fait un composant tr\u00e8s important. Le fonctionnement du thermostat est contr\u00f4l\u00e9 par un r\u00e9cipient en cuivre scell\u00e9 contenant de la cire et une bille m\u00e9tallique. Lorsque le liquide de refroidissement chauffe le thermostat, la cire se dilate en poussant contre la pression d&rsquo;un ressort pour ouvrir le thermostat et permettre au liquide de refroidissement de circuler au d\u00e9bit souhait\u00e9 \u00e0 travers le radiateur.  <\/p>\n<p>Les syst\u00e8mes de refroidissement des v\u00e9hicules d&rsquo;aujourd&rsquo;hui deviennent de plus en plus complexes, car les constructeurs automobiles ont d\u00e9couvert qu&rsquo;ils peuvent am\u00e9liorer l&rsquo;efficacit\u00e9 \u00e9nerg\u00e9tique gr\u00e2ce \u00e0 un meilleur refroidissement du moteur.<\/p>\n<p>MotoRad recommande d&rsquo;installer un nouveau bouchon de radiateur et un nouveau thermostat chaque fois que vous remplacez un composant du syst\u00e8me de refroidissement. Il s&rsquo;agit d&rsquo;un investissement relativement modeste pour garantir le maintien des pressions appropri\u00e9es du syst\u00e8me de refroidissement. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le syst\u00e8me de refroidissement du moteur a pour fonction de dissiper la chaleur g\u00e9n\u00e9r\u00e9e par la combustion du carburant dans [&#8230;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3452,2508,2509],"tags":[],"class_list":["post-87289","post","type-post","status-publish","format-standard","hentry","category-articles-techniques-livres-blancs","category-bouchons-de-radiateur","category-thermostats-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Aper\u00e7u du syst\u00e8me de refroidissement - MotoRad<\/title>\n<meta name=\"description\" content=\"MotoRad - Aper\u00e7u du syst\u00e8me de refroidissement\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mx.motorad.com\/fr\/apercu-du-systeme-de-refroidissement\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aper\u00e7u du syst\u00e8me de refroidissement\" \/>\n<meta property=\"og:description\" content=\"MotoRad - Aper\u00e7u du syst\u00e8me de refroidissement\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mx.motorad.com\/fr\/apercu-du-systeme-de-refroidissement\/\" \/>\n<meta property=\"og:site_name\" content=\"MotoRad\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-11T18:01:10+00:00\" \/>\n<meta name=\"author\" content=\"Scott Payton\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Scott Payton\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/mx.motorad.com\/fr\/apercu-du-systeme-de-refroidissement\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/mx.motorad.com\/fr\/apercu-du-systeme-de-refroidissement\/\"},\"author\":{\"name\":\"Scott Payton\",\"@id\":\"https:\/\/mx.motorad.com\/fr\/#\/schema\/person\/8d9868bb43f89fa3cab136f2001208ae\"},\"headline\":\"Aper\u00e7u du syst\u00e8me de refroidissement\",\"datePublished\":\"2023-08-11T18:01:10+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/mx.motorad.com\/fr\/apercu-du-systeme-de-refroidissement\/\"},\"wordCount\":429,\"articleSection\":[\"Articles techniques &amp; 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