{"id":40885,"date":"2025-03-03T09:02:03","date_gmt":"2025-03-03T08:02:03","guid":{"rendered":"https:\/\/www.dayco.com\/?post_type=techhub&#038;p=40885"},"modified":"2026-09-07T16:24:54","modified_gmt":"2026-09-07T14:24:54","slug":"entretien-des-systemes-dentrainement-des-accessoires-avant-sur-les-poids-lourds","status":"publish","type":"techhub","link":"https:\/\/www.dayco.com\/na-fr\/techhub\/entretien-des-systemes-dentrainement-des-accessoires-avant-sur-les-poids-lourds\/","title":{"rendered":"Entretien des syst\u00e8mes d\u2019entra\u00eenement des accessoires avant sur les poids lourds"},"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\u00bbInspectez les courroies lors des vidanges d\u2019huile et remplacez-les tous les 480 000 km\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;][vc_column_text css=\u00a0\u00bb.vc_custom_1627633698891{margin-bottom: 50px !important;}\u00a0\u00bb]Tout comme avec de nombreux autres composants des camions de classe 4 \u00e0 8\u00a0actuels, il est important que les m\u00e9caniciens examinent la courroie, la poulie et le tendeur comme un syst\u00e8me complet et qu\u2019ils remplacent tous les composants en m\u00eame temps. Appel\u00e9 syst\u00e8me d\u2019entra\u00eenement des accessoires avant (FEAD en anglais), la plupart des OEM de v\u00e9hicules commerciaux recommandent son inspection lors des vidanges d\u2019huile, ou tous les 160\u00a0000\u00a0km environ, et leur remplacement complet tous les 480\u00a0000 km environ. Les trois composants s\u2019usent et se d\u00e9chirent progressivement au fil du temps. Les trois composants subissent une usure progressive au fil du temps, de sorte que le remplacement complet des deux poulies, du tendeur et de la courroie permet d\u2019am\u00e9liorer les performances. Il est important de noter que si seule la courroie est remplac\u00e9e, le camion pourrait faire l\u2019objet d\u2019un tendeur ou d\u2019une poulie desserr\u00e9 peu de temps apr\u00e8s, et pourrait n\u00e9cessiter une autre courroie en raison d\u2019une d\u00e9faillance pr\u00e9matur\u00e9e.<\/p>\n<h2>Signes avant-coureurs du syst\u00e8me d\u2019entra\u00eenement avant<\/h2>\n<p>Si un m\u00e9canicien ne sait pas si le syst\u00e8me FEAD d\u2019un gros camion doit \u00eatre remplac\u00e9, voici deux signes avant-coureurs\u00a0:<\/p>\n<h3>1. Bruit de courroie sur un poids lourd<\/h3>\n<p>Diff\u00e9rents bruits sont corr\u00e9l\u00e9s \u00e0 diff\u00e9rents probl\u00e8mes. Pulv\u00e9risez de l\u2019eau sur la courroie avec le moteur en marche, puis \u00e9coutez si l\u2019un des deux sons suivants se fait entendre.<\/p>\n<ul>\n<li><strong>Crissement \u2013<\/strong> Bruit intermittent qui devient aigu lorsque la vitesse de la courroie augmente le tangage; le volume reste constant. Un crissement est souvent le r\u00e9sultat d\u2019un mauvais alignement, d\u2019une installation incorrecte ou de pi\u00e8ces us\u00e9es. Si ce bruit persiste sous l\u2019action d\u2019une l\u00e9g\u00e8re pulv\u00e9risation d\u2019eau, une enqu\u00eate plus approfondie est n\u00e9cessaire pour d\u00e9terminer la cause du mauvais alignement.<\/li>\n<li><strong>Grincements \u2013<\/strong> Bruit aigu qui dure plusieurs secondes et ne change pas de ton. Il peut changer avec l\u2019acc\u00e9l\u00e9ration ou lorsqu\u2019un accessoire suppl\u00e9mentaire est ajout\u00e9. Si le bruit dispara\u00eet avec une l\u00e9g\u00e8re pulv\u00e9risation d\u2019eau, cela indique g\u00e9n\u00e9ralement une perte de tension dans la courroie.<\/li>\n<\/ul>\n<h3>2. Alignement de la courroie d\u2019un poids lourd<\/h3>\n<p>Un m\u00e9canicien doit examiner le cheminement de la courroie. Si la courroie est mal centr\u00e9e, est au bord ou en dehors de la poulie, ou si elle saute du tendeur, cela peut \u00eatre un signe de mauvais alignement du tendeur caus\u00e9 par l\u2019usure des roulements.<\/p>\n<h2>Remplacement de la courroie, du tendeur et de la poulie en tant que pratique exemplaire<\/h2>\n<p>Le remplacement de tous les composants en m\u00eame temps permet aux m\u00e9caniciens de s\u2019assurer que le syst\u00e8me d\u2019entra\u00eenement des accessoires avant est compl\u00e8tement align\u00e9. La v\u00e9rification et le remplacement de la courroie seule peuvent \u00eatre probl\u00e9matiques, car cela r\u00e9sout rarement le probl\u00e8me du v\u00e9hicule. Pour \u00e9viter les temps d\u2019arr\u00eat, remplacez l\u2019ensemble du tendeur et les poulies associ\u00e9es lorsque vous remplacez la courroie.[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>Tout comme avec de nombreux autres composants des camions de classe 4 \u00e0 8\u00a0actuels, il est important que les m\u00e9caniciens examinent la courroie\u2026<\/p>\n","protected":false},"featured_media":39060,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"topic":[2059,2753],"contenttype":[2223],"th_application":[2306],"th_product":[4508,2443],"class_list":["post-40885","techhub","type-techhub","status-publish","has-post-thumbnail","topic-intervalles-de-remplacement-et-details","topic-resolucion-de-problemas-na-fr","contenttype-articles-techniques","th_application-poids-lourds","th_product-heavy-duty-serpentine-belt-kits","th_product-systemes-dentrainement"],"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 | Entretien des syst\u00e8mes d\u2019entra\u00eenement des accessoires avant sur les poids lourds - NAM | FR<\/title>\n<meta name=\"description\" content=\"Avoid downtime. 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