{"id":424994,"date":"2025-01-21T18:15:49","date_gmt":"2025-01-21T23:15:49","guid":{"rendered":"https:\/\/autosphere.ca\/?p=424994"},"modified":"2025-01-21T18:15:49","modified_gmt":"2025-01-21T23:15:49","slug":"le-liquide-antigel-essentiel-hiver-comme-ete","status":"publish","type":"post","link":"https:\/\/autosphere.ca\/fr\/mecanique\/2025\/01\/21\/le-liquide-antigel-essentiel-hiver-comme-ete\/","title":{"rendered":"Le liquide antigel essentiel hiver comme \u00e9t\u00e9"},"content":{"rendered":"<p><strong>L\u2019hiver est selon moi la plus belle saison pour pratiquer le m\u00e9tier que nous aimons.<\/strong><\/p>\n<p>Qui dit hiver, dit aussi froid, voire de grands froids, comme nous en avons connu derni\u00e8rement. Une des choses que nous utilisons tous durant cette saison est bien entendu le syst\u00e8me de chauffage du v\u00e9hicule. Pour les moteurs \u00e0 essence, le liquide antigel circule dans le syst\u00e8me et permet de diffuser la chaleur dans l&rsquo;habitacle. Il joue \u00e9galement le r\u00f4le de r\u00e9gulateur thermique pour le moteur, en permettant de le refroidir ou de l\u2019amener \u00e0 la temp\u00e9rature id\u00e9ale de fonctionnement et de la maintenir.<\/p>\n<figure id=\"attachment_424995\" aria-describedby=\"caption-attachment-424995\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-424995 size-woocommerce_single\" src=\"https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-1-min-600x520.jpg\" alt=\"\" width=\"600\" height=\"520\" srcset=\"https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-1-min-600x520.jpg 600w, https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-1-min-300x260.jpg 300w, https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-1-min-675x585.jpg 675w, https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-1-min.jpg 727w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-424995\" class=\"wp-caption-text\">L&rsquo;antigel est constitu\u00e9 \u00e0 parts \u00e9gales d&rsquo;eau d\u00e9min\u00e9ralis\u00e9e et d&rsquo;\u00e9thyl\u00e8ne glycol. Source : Mark Potvin<\/figcaption><\/figure>\n<p>L&rsquo;antigel est constitu\u00e9 \u00e0 parts \u00e9gales d&rsquo;eau d\u00e9min\u00e9ralis\u00e9e et d&rsquo;\u00e9thyl\u00e8ne glycol. Souvent, quand je fais mes tests de point de cong\u00e9lation, son r\u00e9sultat ne donne pas les donn\u00e9es exactes. En g\u00e9n\u00e9ral, avec un rapport de m\u00e9lange de 50\/50, vous obtenez un \u00e9quilibre optimal des additifs et un point de cong\u00e9lation entre -36 \u00b0C et -40 \u00b0C, ce qui est suffisant dans notre climat qu\u00e9b\u00e9cois.<\/p>\n<p>Malheureusement, chaque ann\u00e9e, je d\u00e9couvre durant la saison hivernale des voitures dont le liquide antigel ne passe pas les tests de qualit\u00e9 que j&rsquo;effectue lors des inspections saisonni\u00e8res. Cela repr\u00e9sente un probl\u00e8me potentiel pour le bon fonctionnement du syst\u00e8me de chauffage, mais aussi du moteur.<\/p>\n<p>J&rsquo;utilise deux \u00e9quipements pour effectuer les v\u00e9rifications. La fameuse poire de v\u00e9rification, que la plupart d&rsquo;entre nous connaissent, en fait partie. Pour ma part, j&rsquo;aime bien utiliser le r\u00e9fractom\u00e8tre. Il s\u2019agit d\u2019un outil tr\u00e8s pr\u00e9cis qui, \u00e0 chaque utilisation, me donne des r\u00e9sultats clairs et pr\u00e9cis que je peux ensuite partager avec mon client pour lui montrer que le syst\u00e8me est pr\u00eat \u00e0 fonctionner sans mauvaise surprise ou non.<\/p>\n<figure id=\"attachment_424997\" aria-describedby=\"caption-attachment-424997\" style=\"width: 269px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-424997 size-full\" src=\"https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-2-min-1.jpg\" alt=\"\" width=\"269\" height=\"400\" srcset=\"https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-2-min-1.jpg 269w, https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-2-min-1-202x300.jpg 202w\" sizes=\"auto, (max-width: 269px) 100vw, 269px\" \/><figcaption id=\"caption-attachment-424997\" class=\"wp-caption-text\">La poire de v\u00e9rification est l\u2019un des outils que j\u2019utilise pour analyser la qualit\u00e9 de l\u2019antigel. Source : Mark Potvin<\/figcaption><\/figure>\n<p><strong>Des cons\u00e9quences graves<\/strong><\/p>\n<p>Et quand on parle de probl\u00e8mes potentiels d\u00e9coulant d\u2019un antigel qui a perdu de ses propri\u00e9t\u00e9s, en voici une preuve : comme le montre ma photo, une pompe \u00e0 eau qui a gel\u00e9 et s\u2019est cass\u00e9e au moment de faire d\u00e9marrer le v\u00e9hicule.<\/p>\n<p>Vos techniciens qualifi\u00e9s effectuent des v\u00e9rifications sur certaines voitures durant la saison estivale. M\u00eame pendant cette p\u00e9riode, faire l&rsquo;appoint du syst\u00e8me de refroidissement est une priorit\u00e9. L&rsquo;eau qui compose la moiti\u00e9 du liquide de refroidissement peut finir par s&rsquo;\u00e9vaporer et faire en sorte que le liquide de refroidissement devienne trop concentr\u00e9. Cela peut causer des fuites au niveau du radiateur ou encore de la pompe \u00e0 eau, puisque ces composants peuvent s&rsquo;endommager quand l&rsquo;antigel est trop acide.<\/p>\n<figure id=\"attachment_424999\" aria-describedby=\"caption-attachment-424999\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-424999 size-woocommerce_single\" src=\"https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-3-min-600x404.jpg\" alt=\"\" width=\"600\" height=\"404\" srcset=\"https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-3-min-600x404.jpg 600w, https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-3-min-300x202.jpg 300w, https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-3-min-135x90.jpg 135w, https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-3-min-758x511.jpg 758w, https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-3-min.jpg 1000w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-424999\" class=\"wp-caption-text\">Le r\u00e9fractom\u00e8tre donne des r\u00e9sultats plus pr\u00e9cis. Source : Mark Potvin<\/figcaption><\/figure>\n<p>Peu importe la saison, m\u00eame avec le retour des beaux jours, une v\u00e9rification r\u00e9guli\u00e8re du syst\u00e8me de refroidissement et de son liquide est de mise. En saison froide, il faut respecter le -37 \u00b0C recommand\u00e9 ; lorsque le thermom\u00e8tre chute, des bris irr\u00e9cup\u00e9rables peuvent avoir lieu, comme je vous l\u2019ai montr\u00e9.<\/p>\n<p>Prenez le temps de faire vos v\u00e9rifications de fa\u00e7on professionnelle et partagez les r\u00e9sultats avec vos clients. C\u2019est l\u00e0 o\u00f9 l\u2019entretien pr\u00e9ventif prend tout son sens. Bon diagnostic \u00e0 tous !<\/p>\n<figure id=\"attachment_425001\" aria-describedby=\"caption-attachment-425001\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-425001 size-woocommerce_single\" src=\"https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-4-min-600x800.webp\" alt=\"\" width=\"600\" height=\"800\" srcset=\"https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-4-min-600x800.webp 600w, https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-4-min-225x300.webp 225w, https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-4-min-768x1024.webp 768w, https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-4-min-439x585.webp 439w, https:\/\/autosphere.ca\/wp-content\/uploads\/2025\/01\/photo-4-min-scaled.webp 1920w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-425001\" class=\"wp-caption-text\">Le gel a fait \u00e9clater cette pompe \u00e0 eau, signe d\u2019un antigel d\u00e9ficient. Source : Mark Potvin<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019hiver est selon moi la plus belle saison pour pratiquer le m\u00e9tier que nous aimons. Qui dit hiver, dit aussi froid, voire de grands froids, comme nous en avons connu derni\u00e8rement. Une des choses que nous utilisons tous durant cette saison est bien entendu le syst\u00e8me de chauffage du v\u00e9hicule. Pour les moteurs \u00e0 essence,&#8230;<\/p>\n","protected":false},"author":47,"featured_media":380767,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[820,632],"tags":[8371],"class_list":["post-424994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mecanique-editorial","category-mecanique","tag-antigel"],"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>Le liquide antigel essentiel hiver comme \u00e9t\u00e9 - Autosphere<\/title>\n<meta name=\"description\" content=\"L\u2019hiver est selon moi la plus belle saison pour pratiquer le m\u00e9tier que nous aimons.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/autosphere.ca\/fr\/mecanique\/2025\/01\/21\/le-liquide-antigel-essentiel-hiver-comme-ete\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le liquide antigel essentiel hiver comme \u00e9t\u00e9\" \/>\n<meta property=\"og:description\" content=\"L\u2019hiver est selon moi la plus belle saison pour pratiquer le m\u00e9tier que nous aimons.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/autosphere.ca\/fr\/mecanique\/2025\/01\/21\/le-liquide-antigel-essentiel-hiver-comme-ete\/\" \/>\n<meta property=\"og:site_name\" content=\"Autosphere\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/autosphere.ca\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-21T23:15:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/autosphere.ca\/wp-content\/uploads\/2023\/02\/Mark-Potvin-mecanique-le-specialiste.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"758\" \/>\n\t<meta property=\"og:image:height\" content=\"585\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mark Potvin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@autosphere_ca\" \/>\n<meta name=\"twitter:site\" content=\"@autosphere_ca\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mark Potvin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/autosphere.ca\/fr\/mecanique\/2025\/01\/21\/le-liquide-antigel-essentiel-hiver-comme-ete\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/autosphere.ca\/fr\/mecanique\/2025\/01\/21\/le-liquide-antigel-essentiel-hiver-comme-ete\/\"},\"author\":{\"name\":\"Mark Potvin\",\"@id\":\"https:\/\/autosphere.ca\/fr\/#\/schema\/person\/df5278dcdcaded19f4cbc8c2528ce5fd\"},\"headline\":\"Le liquide antigel essentiel hiver comme \u00e9t\u00e9\",\"datePublished\":\"2025-01-21T23:15:49+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/autosphere.ca\/fr\/mecanique\/2025\/01\/21\/le-liquide-antigel-essentiel-hiver-comme-ete\/\"},\"wordCount\":664,\"publisher\":{\"@id\":\"https:\/\/autosphere.ca\/fr\/#organization\"},\"image\":{\"@id\":\"https:\/\/autosphere.ca\/fr\/mecanique\/2025\/01\/21\/le-liquide-antigel-essentiel-hiver-comme-ete\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/autosphere.ca\/wp-content\/uploads\/2023\/02\/Mark-Potvin-mecanique-le-specialiste.jpg\",\"keywords\":[\"antigel\"],\"articleSection\":[\"\u00c9ditorial\",\"M\u00e9canique\"],\"inLanguage\":\"fr-FR\",\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\/\/autosphere.ca\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/autosphere.ca\/fr\/mecanique\/2025\/01\/21\/le-liquide-antigel-essentiel-hiver-comme-ete\/\",\"url\":\"https:\/\/autosphere.ca\/fr\/mecanique\/2025\/01\/21\/le-liquide-antigel-essentiel-hiver-comme-ete\/\",\"name\":\"Le liquide antigel essentiel hiver comme \u00e9t\u00e9 - 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