{"id":41028,"date":"2025-03-03T10:00:49","date_gmt":"2025-03-03T09:00:49","guid":{"rendered":"https:\/\/www.dayco.com\/?post_type=techhub&#038;p=41028"},"modified":"2026-09-08T10:20:27","modified_gmt":"2026-09-08T08:20:27","slug":"levolution-des-courroies-auxiliaires","status":"publish","type":"techhub","link":"https:\/\/www.dayco.com\/na-fr\/techhub\/levolution-des-courroies-auxiliaires\/","title":{"rendered":"L\u2019\u00e9volution des courroies auxiliaires"},"content":{"rendered":"[vc_row type=\u00a0\u00bbfull_width_background\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#f4f4f4&Prime; scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-4-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_custom_heading source=\u00a0\u00bbpost_title\u00a0\u00bb font_container=\u00a0\u00bbtag:h1|text_align:left\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][vc_custom_heading text=\u00a0\u00bbPourquoi les courroies ont-elles chang\u00e9 et leur entretien g\u00e9n\u00e9ral\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][divider line_type=\u00a0\u00bbSmall Line\u00a0\u00bb line_alignment=\u00a0\u00bbdefault\u00a0\u00bb line_thickness=\u00a0\u00bb2&Prime; divider_color=\u00a0\u00bbaccent-color\u00a0\u00bb animate=\u00a0\u00bbyes\u00a0\u00bb custom_height=\u00a0\u00bb40&Prime; custom_line_width=\u00a0\u00bb130&Prime;][image_with_animation image_url=\u00a0\u00bb39266&Prime; image_size=\u00a0\u00bbfull\u00a0\u00bb animation_type=\u00a0\u00bbentrance\u00a0\u00bb animation=\u00a0\u00bbFade In\u00a0\u00bb animation_easing=\u00a0\u00bbdefault\u00a0\u00bb animation_movement_type=\u00a0\u00bbtransform_y\u00a0\u00bb hover_animation=\u00a0\u00bbnone\u00a0\u00bb alignment=\u00a0\u00bb\u00a0\u00bb border_radius=\u00a0\u00bbnone\u00a0\u00bb box_shadow=\u00a0\u00bbnone\u00a0\u00bb image_loading=\u00a0\u00bbdefault\u00a0\u00bb max_width=\u00a0\u00bb100%\u00a0\u00bb max_width_mobile=\u00a0\u00bbdefault\u00a0\u00bb][vc_column_text css=\u00a0\u00bb.vc_custom_1627634687554{margin-bottom: 50px !important;}\u00a0\u00bb]\n<h2><strong>Les syst\u00e8mes d\u2019entra\u00eenement compliqu\u00e9s ont eu un impact sur la conception des courroies auxiliaires<\/strong><\/h2>\n<p>Au cours des 25\u00a0derni\u00e8res ann\u00e9es, les <a href=\"https:\/\/www.dayco.com\/na-fr\/products\/aftermarket-products\/courroies-auxiliaires-poly-v\/courroies-auxiliaires-poly-v\/\">courroies auxiliaires ont consid\u00e9rablement chang\u00e9<\/a>. Les v\u00e9hicules plusieurs courroies auxiliaires qui avaient au plus quatre points de contact. De nos jours, les courroies auxiliaires peuvent avoir plus de 10\u00a0points de contact, ce qui cr\u00e9e des syst\u00e8mes d\u2019entra\u00eenement tr\u00e8s compliqu\u00e9s.<\/p>\n<p>Alors que les OEM continuent d\u2019ajouter des accessoires et de rechercher les moyens les plus efficaces des alimenter, ils sont pass\u00e9s de plusieurs courroies auxiliaires \u00e0 une courroie auxiliaire unique entra\u00eenant tous les accessoires. Pour ce faire, ils ont travaill\u00e9 avec des fabricants de courroies comme Dayco pour d\u00e9velopper une technologie capable de r\u00e9pondre \u00e0 des exigences de charge \u00e9lev\u00e9es tout en offrant une robustesse accrue dans des conditions de temp\u00e9ratures extr\u00eames.<\/p>\n<h2><strong>Les avantages des courroies en EPDM<\/strong><\/h2>\n<p>Les courroies auxiliaires modernes sont <strong>con\u00e7ues pour durer plus longtemps<\/strong> que leurs pr\u00e9d\u00e9cesseuses. Elles sont pass\u00e9es d\u2019un compos\u00e9 en caoutchouc n\u00e9opr\u00e8ne qui durait g\u00e9n\u00e9ralement de 80 \u00e0 100\u00a0000\u00a0km avant de d\u00e9faillir, \u00e0 une conception en EPDM (\u00e9thyl\u00e8ne-propyl\u00e8ne-di\u00e8ne monom\u00e8re). Les courroies fabriqu\u00e9es en EPDM ont plus d\u2019\u00e9lasticit\u00e9, elles sont donc moins sujettes aux fissures et peuvent durer beaucoup plus longtemps\u00a0: pr\u00e8s de 150\u00a0000\u00a0km ou plus.<\/p>\n<h2><strong>Les courroies en EPDM et les probl\u00e8mes de bruit<\/strong><\/h2>\n<p>Bien que les courroies auxiliaires en EPDM pr\u00e9sentent de nombreux avantages, elles sont \u00e9galement intrins\u00e8quement plus rigides que les anciennes fabriqu\u00e9es en n\u00e9opr\u00e8ne, ce qui signifie qu\u2019elles peuvent \u00eatre moins r\u00e9sistantes aux d\u00e9faults d\u2019alignement mineurs des poulies qui entra\u00eenent parfois du bruit s\u2019ils ne sont pas corrig\u00e9s. C\u2019est l\u2019une des raisons pour lesquelles le bruit est aujourd\u2019hui un probl\u00e8me plus important, en particulier dans les r\u00e9gions plus froides. Si une courroie neuve fait du bruit, la plupart du temps ce n\u2019est PAS un probl\u00e8me avec la courroie, mais un probl\u00e8me de mauvais alignement ou de tension. Une inspection minutieuse aidera \u00e0 identifier la cause.<\/p>\n<h2><strong>Entretien d\u2019une courroie auxiliaire<\/strong><\/h2>\n<p>Les courroies en EPDM doivent \u00eatre inspect\u00e9es pour v\u00e9rifier qu\u2019elles ne sont pas us\u00e9es \u00e0 partir de 100\u00a0000\u00a0km et les composants us\u00e9s doivent \u00eatre remplac\u00e9s \u00e0 150\u00a0000 km. Alors que l\u2019avantage des syst\u00e8mes d\u2019entra\u00eenement modernes est qu\u2019une seule courroie est requise, l\u2019inconv\u00e9nient est que si la courroie devient d\u00e9faillante, le v\u00e9hicule ne fonctionne g\u00e9n\u00e9ralement pas. Assurez-vous donc d\u2019\u00e9duquer vos clients sur l\u2019importance de se montrer proactif.[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#0174a7&Prime; scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bblight\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-4-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text]\n<h2>Pour plus de conseils sur l\u2019entretien des courroies auxiliaires et du d\u00e9pannage du bruit, <a class=\"link_white_underlined\" href=\"https:\/\/www.dayco.com\/na-fr\/techhub\/comment-corriger-le-bruit-dune-courroie-auxiliaire\/\">consultez notre article<\/a>, Diagnostic du bruit d\u2019une courroie auxiliaire<\/h2>\n[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>Au cours des 25\u00a0derni\u00e8res ann\u00e9es, les courroies auxiliaires ont consid\u00e9rablement chang\u00e9. Les v\u00e9hicules plusieurs courroies\u2026<\/p>\n","protected":false},"featured_media":39266,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"topic":[2617,2618],"contenttype":[2223],"th_application":[2294],"th_product":[2374,4508,4512],"class_list":["post-41028","techhub","type-techhub","status-publish","has-post-thumbnail","topic-installation-et-procedures","topic-reparation-et-entretien","contenttype-articles-techniques","th_application-automobile","th_product-courroies","th_product-heavy-duty-serpentine-belt-kits","th_product-trousses-de-courroie-auxiliaire"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Dayco | L\u2019\u00e9volution des courroies auxiliaires - NAM | FR<\/title>\n<meta name=\"description\" content=\"Serpentine belts have changed a lot over the last 25 years. 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