{"id":8826,"date":"2025-07-03T11:12:54","date_gmt":"2025-07-03T15:12:54","guid":{"rendered":"https:\/\/gm-techlinkfrench.com\/?p=8826"},"modified":"2025-10-03T11:31:20","modified_gmt":"2025-10-03T15:31:20","slug":"mauvais-rendement-de-la-climatisation-en-raison-dune-perte-de-frigorigene","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=8826","title":{"rendered":"Mauvais rendement de la climatisation en raison d&#8217;une perte de frigorig\u00e8ne"},"content":{"rendered":"<p><span data-contrast=\"auto\">Le colorant fluorescent install\u00e9 dans le syst\u00e8me de frigorig\u00e8ne de climatisation de tous les v\u00e9hicules GM actuels aide \u00e0 localiser des fuites dans le syst\u00e8me de climatisation. \u00c0 l&#8217;aide de la lampe de d\u00e9tection de fuite universelle 12 V GE-42220 (Fig. 2), les fuites dans le syst\u00e8me seront indiqu\u00e9es dans une couleur verte ou jaune en v\u00e9rifiant les raccords, les connexions, les composants de la climatisation, les joins, les flexibles et les autres zones.<\/span><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20204\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2025\/08\/F02-ac-leak-5.jpg\" alt=\"\" width=\"740\" height=\"480\" \/><\/p>\n<p style=\"text-align: center;\"><b><span data-contrast=\"auto\">Fig. 2<\/span><\/b><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Par cons\u00e9quent, plusieurs \u00e9vaporateurs et autres pi\u00e8ces de climatisation remplac\u00e9es sur les mod\u00e8les Tahoe, Suburban, Yukon et Escalade 2021-2025 n&#8217;ont montr\u00e9 aucun probl\u00e8me pendant l&#8217;analyse de la garantie. Les performances m\u00e9diocres de ces syst\u00e8mes de climatisation peuvent avoir \u00e9t\u00e9 le r\u00e9sultat d&#8217;une perte de fluide frigorig\u00e8ne et non du fonctionnement des composants.\u00a0<\/span><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Veiller \u00e0 suivre les diagnostics des informations d&#8217;entretien appropri\u00e9es pour \u00e9viter le remplacement inutile des composants du syst\u00e8me. Le d\u00e9tecteur \u00e9lectronique de fuite GE-50078 peut \u00eatre utilis\u00e9 pour trouver des fuites passives plus petites en plus de l&#8217;utilisation de la lampe de d\u00e9tection de fuites pour la plupart des fuites moyennes \u00e0 grandes.<\/span><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Lors de la v\u00e9rification de pr\u00e9sence de fuites, effectuer une r\u00e9cup\u00e9ration du frigorig\u00e8ne de climatisation \u00e0 l&#8217;aide de la cartouche de r\u00e9cup\u00e9ration\/recharge de frigorig\u00e8ne de climatisation GE-50300R-1234yf pour voir la quantit\u00e9 de frigorig\u00e8ne se trouvant dans le syst\u00e8me avant d&#8217;ajouter du colorant pour climatisation. Utiliser uniquement du colorant fluorescent approuv\u00e9 par GM.<\/span><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Selon la vitesse de la fuite, une fuite peut ne pas devenir visible pendant 15 minutes \u00e0 7 jours.\u00a0<\/span><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Garder \u00e0 l&#8217;esprit que la condensation sur le noyau d&#8217;\u00e9vaporateur ou les conduites de frigorig\u00e8ne peut \u00e9liminer le colorant fluorescent de la fuite. La condensation peut \u00e9galement transporter le colorant \u00e0 travers la vidange du module CVC.\u00a0<\/span><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Tout en portant les lunettes jaunes, utiliser la lampe de d\u00e9tection de fuite universelle 12 V GE-42220 pour inspecter visuellement toutes les conduites de fluide frigorig\u00e8ne, tous les raccords et toutes les connexions qui utilisent des rondelles ou des joints toriques, et tous les composants de la climatisation. Sur les VUS pleine grandeur, veiller \u00e0 v\u00e9rifier :<\/span><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"35\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Le drain de CVC avant, situ\u00e9 sur le carter de bo\u00eete de vitesses au centre du v\u00e9hicule. Pour acc\u00e9der au drain, d\u00e9poser la roue avant gauche. (Fig. 3)<\/span><span data-ccp-props=\"{&quot;134233279&quot;:false,&quot;335559685&quot;:360,&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20205\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2025\/08\/F03-ac-leak-6.jpg\" alt=\"\" width=\"740\" height=\"480\" \/><\/p>\n<p style=\"text-align: center;\"><b><span data-contrast=\"auto\">Fig. 3<\/span><\/b><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"35\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">L&#8217;\u00e9changeur thermique de frigorig\u00e8ne de climatisation (Fig. 4)<\/span><span data-ccp-props=\"{&quot;134233279&quot;:false,&quot;335559685&quot;:360,&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20206\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2025\/08\/F04-ac-leak-7.jpg\" alt=\"\" width=\"740\" height=\"480\" \/><\/p>\n<p style=\"text-align: center;\"><b><span data-contrast=\"auto\">Fig. 4<\/span><\/b><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"35\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">Les connexions du condenseur de climatiseur. D\u00e9poser le bouclier anti-\u00e9claboussures d&#8217;air d&#8217;admission pour y acc\u00e9der. (Fig. 5)<\/span><span data-ccp-props=\"{&quot;134233279&quot;:false,&quot;335559685&quot;:360,&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20207\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2025\/08\/F05-ac-leak-8.jpg\" alt=\"\" width=\"740\" height=\"480\" \/><\/p>\n<p style=\"text-align: center;\"><b><span data-contrast=\"auto\">Fig. 5<\/span><\/b><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"35\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"auto\">Tuyaux et connecteurs de climatiseur. Soulever le v\u00e9hicule pour obtenir une meilleure vue sous les composants. (Fig. 6)<\/span><span data-ccp-props=\"{&quot;134233279&quot;:false,&quot;335559685&quot;:360,&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20208\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2025\/08\/F06-ac-leak-9.jpg\" alt=\"\" width=\"740\" height=\"480\" \/><\/p>\n<p style=\"text-align: center;\"><b><span data-contrast=\"auto\">Fig. 6<\/span><\/b><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p style=\"text-align: center;\"><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">CONSEIL :\u00a0<\/span><\/b><span data-contrast=\"auto\"> Pour \u00e9viter un faux diagnostic dans l&#8217;avenir, nettoyer \u00e0 fond le colorant r\u00e9siduel de la zone o\u00f9 une fuite a \u00e9t\u00e9 constat\u00e9e \u00e0 l&#8217;aide d&#8217;un chiffon et d&#8217;un nettoyant pour colorant GE-43872.<\/span><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Se reporter au bulletin n\u00b0 25-NA-191 pour de plus amples renseignements et pour le test de fuite et la r\u00e9cup\u00e9ration et la recharge de frigorig\u00e8ne dans la section CVC des informations d&#8217;entretien appropri\u00e9es.<\/span><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Pour un examen plus rapproch\u00e9 en utilisant la lampe de d\u00e9tection de fuite, v\u00e9rifier le s\u00e9minaire sur les probl\u00e8mes \u00e9mergents de service GM d&#8217;ao\u00fbt (10225.08V).<\/span><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><i><span data-contrast=\"auto\">&#8211; Merci \u00e0 Mike Waszczenko<\/span><\/i><span data-ccp-props=\"{&quot;335559737&quot;:720,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le colorant fluorescent install\u00e9 dans le syst\u00e8me de frigorig\u00e8ne de climatisation de tous les v\u00e9hicules GM actuels aide \u00e0 localiser des fuites dans le syst\u00e8me de climatisation. \u00c0 l&#8217;aide de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[80],"tags":[],"class_list":["post-8826","post","type-post","status-publish","format-standard","hentry","category-2025-july"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/8826","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8826"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/8826\/revisions"}],"predecessor-version":[{"id":8827,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/8826\/revisions\/8827"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}