{"id":1158,"date":"2020-09-01T12:34:00","date_gmt":"2020-09-01T12:34:00","guid":{"rendered":"https:\/\/www.aeroatelier.aero\/?p=1158"},"modified":"2026-02-06T15:28:47","modified_gmt":"2026-02-06T15:28:47","slug":"huiles-moteur-maitriser-les-nouvelles-recommandations-de-lycoming","status":"publish","type":"post","link":"https:\/\/www.aeroatelier.aero\/en\/huiles-moteur-maitriser-les-nouvelles-recommandations-de-lycoming.html","title":{"rendered":"Engine oils: mastering Lycoming\u2019s new recommendations"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"580\" height=\"779\" src=\"https:\/\/www.aeroatelier.aero\/wp-content\/uploads\/2026\/01\/aviation-magazine_2020-09-septembre-octobre_aero-atelier-1.jpg\" alt=\"\" class=\"wp-image-1160\" srcset=\"https:\/\/www.aeroatelier.aero\/wp-content\/uploads\/2026\/01\/aviation-magazine_2020-09-septembre-octobre_aero-atelier-1.jpg 580w, https:\/\/www.aeroatelier.aero\/wp-content\/uploads\/2026\/01\/aviation-magazine_2020-09-septembre-octobre_aero-atelier-1-223x300.jpg 223w\" sizes=\"auto, (max-width: 580px) 100vw, 580px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Le monde de la maintenance a\u00e9ronautique \u00e9volue, et m\u00eame les standards \u00e9tablis depuis des d\u00e9cennies font l&rsquo;objet de mises \u00e0 jour cruciales. Le motoriste de Pennsylvanie a publi\u00e9 une r\u00e9vision majeure de ses instructions concernant les huiles moteur, rempla\u00e7ant des directives qui dataient de 1995. Cette mise \u00e0 jour touche l&rsquo;ensemble des moteurs \u00e0 cylindres oppos\u00e9s.<\/p>\n<\/blockquote>\n\n\n\n<p><strong><em>Pour consulter la chronique technique compl\u00e8te et les tableaux de correspondance dans le Magazine Aviation, cliquez ici : <a href=\"https:\/\/magazines.smmedias.ca\/V24N5\/16\/\">https:\/\/magazines.smmedias.ca\/V24N5\/16\/<\/a><\/em><\/strong><\/p>\n\n\n\n<p>Bien qu&rsquo;une instruction de service (<em>Service Instruction<\/em>) n&rsquo;ait pas le caract\u00e8re obligatoire d&rsquo;un bulletin de service, sa teneur reste primordiale pour la sant\u00e9 de votre motorisation. Voici une synth\u00e8se des points cl\u00e9s \u00e0 retenir pour votre appareil.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bien choisir son type d&rsquo;huile<\/h3>\n\n\n\n<p>Le choix de l&rsquo;huile ne doit pas se faire au hasard, mais en fonction de la temp\u00e9rature ambiante ext\u00e9rieure. Les nouvelles directives pr\u00e9cisent les correspondances entre les grades SAE, commerciaux et militaires.<\/p>\n\n\n\n<p>Il est essentiel de distinguer les deux grandes cat\u00e9gories notifi\u00e9es :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Les huiles non dispersantes<\/strong>.<\/li>\n\n\n\n<li><strong>Les huiles dispersantes sans cendres<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>L&rsquo;accent est mis sur le bon sens et l&rsquo;adaptation aux conditions climatiques, particuli\u00e8rement lors de la phase critique du rodage du moteur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lubrification en op\u00e9ration et rodage<\/h3>\n\n\n\n<p>Les r\u00e8gles de rodage sont strictes : tous les moteurs turbocompress\u00e9s doivent \u00eatre rod\u00e9s, puis op\u00e9r\u00e9s uniquement avec de l&rsquo;huile dispersante sans cendres. Pour les autres s\u00e9ries, comme les O-320-H ou O\/LO-360-E, l&rsquo;utilisation de la min\u00e9rale non dispersante ou de la dispersante sans cendres est possible d\u00e8s le d\u00e9part.<\/p>\n\n\n\n<p>Un point de vigilance particulier concerne l&rsquo;additif Lycoming LW-16702. Celui-ci doit \u00eatre ajout\u00e9 lors du remplissage initial, puis toutes les 50 heures ou \u00e0 chaque vidange. Notez toutefois que si vous utilisez une huile dispersante sans cendres d\u00e8s le rodage, cela pourrait entra\u00eener un allongement du d\u00e9lai de rodage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Le d\u00e9fi de la transition entre huiles<\/h3>\n\n\n\n<p>La conversion d&rsquo;un moteur de l&rsquo;huile min\u00e9rale vers une huile dispersante apr\u00e8s plusieurs centaines d&rsquo;heures d&rsquo;op\u00e9ration comporte des risques. Une substitution brutale peut lib\u00e9rer soudainement des d\u00e9p\u00f4ts accumul\u00e9s, risquant d&rsquo;obstruer les conduits d&rsquo;huile.<\/p>\n\n\n\n<p>Si vous devez effectuer cette transition, Lycoming pr\u00e9conise une m\u00e9thode en trois \u00e9tapes :<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Vidange compl\u00e8te<\/strong> de l&rsquo;huile min\u00e9rale avant de passer \u00e0 la dispersante.<\/li>\n\n\n\n<li><strong>Premier cycle court<\/strong> : ne pas op\u00e9rer le moteur plus de cinq heures avant le prochain changement d&rsquo;huile.<\/li>\n\n\n\n<li><strong>Surveillance accrue<\/strong> : v\u00e9rifier l&rsquo;\u00e9tat des filtres et tamis toutes les 10 heures jusqu&rsquo;\u00e0 ce qu&rsquo;ils demeurent parfaitement propres.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Une mise en garde sur les additifs<\/h3>\n\n\n\n<p>L&rsquo;instruction se termine par un avertissement s\u00e9rieux concernant l&rsquo;usage d&rsquo;additifs non homologu\u00e9s, tels que les d\u00e9tergents ou compos\u00e9s dits \u00ab\u00a0top cylinder lubricant\u00a0\u00bb. Lycoming alerte sur l&rsquo;impact potentiellement n\u00e9faste de ces produits, au m\u00eame titre que l&#8217;emploi d&rsquo;une huile automobile, qui est formellement proscrit.<\/p>\n\n\n\n<p>Ces recommandations, bien que sp\u00e9cifiques \u00e0 Lycoming, peuvent souvent s&rsquo;appliquer par extension \u00e0 d&rsquo;autres motorisations comme Continental ou Franklin, mais il demeure imp\u00e9ratif de se r\u00e9f\u00e9rer aux consignes de chaque manufacturier.<\/p>","protected":false},"excerpt":{"rendered":"<p>Le monde de la maintenance a\u00e9ronautique \u00e9volue, et m\u00eame les standards \u00e9tablis depuis des d\u00e9cennies font l&rsquo;objet de mises \u00e0 jour cruciales. Le motoriste de Pennsylvanie a publi\u00e9 une r\u00e9vision majeure de ses instructions concernant les huiles moteur, rempla\u00e7ant des directives qui dataient de 1995. Cette mise \u00e0 jour touche l&rsquo;ensemble des moteurs \u00e0 cylindres [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1159,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[55,223],"tags":[90,10,65,87,9,93,86,85,91,15,52,88,89,8,66,92,68],"class_list":["post-1158","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-magazine-aviation","tag-additif-lw-16702","tag-aero-atelier","tag-aero-atelier-c-m","tag-conseils-techniques-aviation","tag-continental","tag-entretien-aeronef","tag-huile-dispersante","tag-huile-moteur-avion","tag-lubrification-aeronautique","tag-lycoming","tag-maintenance-aeronautique","tag-mecanique-aviation","tag-moteur-a-pistons","tag-revision-moteur","tag-revision-moteur-avion","tag-rodage-moteur","tag-securite-aerienne"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Huiles moteur : ma\u00eetriser les nouvelles recommandations de Lycoming - A\u00e9ro Atelier C.M.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.aeroatelier.aero\/en\/huiles-moteur-maitriser-les-nouvelles-recommandations-de-lycoming.html\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Huiles moteur : ma\u00eetriser les nouvelles recommandations de Lycoming - A\u00e9ro Atelier C.M.\" \/>\n<meta property=\"og:description\" content=\"Le monde de la maintenance a\u00e9ronautique \u00e9volue, et m\u00eame les standards \u00e9tablis depuis des d\u00e9cennies font l&rsquo;objet de mises \u00e0 jour cruciales. Le motoriste de Pennsylvanie a publi\u00e9 une r\u00e9vision majeure de ses instructions concernant les huiles moteur, rempla\u00e7ant des directives qui dataient de 1995. 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