{"id":8709,"date":"2025-03-01T08:00:19","date_gmt":"2025-03-01T13:00:19","guid":{"rendered":"https:\/\/gm-techlinkfrench.com\/?p=8709"},"modified":"2025-04-18T13:07:05","modified_gmt":"2025-04-18T17:07:05","slug":"basse-pression-dhuile-au-ralenti","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=8709","title":{"rendered":"Basse pression d&#8217;huile au ralenti"},"content":{"rendered":"<p style=\"font-weight: 400;\">Une pression d&#8217;huile faible et irr\u00e9guli\u00e8re est possible sur certains mod\u00e8les Acadia, Traverse 2024-2025 et Enclave 2025 \u00e9quip\u00e9s d&#8217;un moteur 2.5L (EFC LKO). Le code d&#8217;anomalie P06DD (performance de la soupape de r\u00e9gulation pression d&#8217;huile moteur) peut aussi \u00eatre m\u00e9moris\u00e9<\/p>\n<p style=\"font-weight: 400;\">Dans ces cas, v\u00e9rifier si la pression d&#8217;huile moteur est r\u00e9guli\u00e8re au ralenti. La pression d&#8217;huile varie g\u00e9n\u00e9ralement tr\u00e8s rapidement au ralenti lorsque la temp\u00e9rature de l&#8217;huile moteur est \u00e9lev\u00e9e.<\/p>\n<p style=\"font-weight: 400;\">Une fois que la pression d&#8217;huile faible ou irr\u00e9guli\u00e8re est confirm\u00e9e, retirer le carter d&#8217;huile et l&#8217;arbre d&#8217;\u00e9quilibrage afin d&#8217;inspecter les quatre gicleurs d&#8217;huile de piston. (Fig. 3, #1)<\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-19616\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2025\/03\/F03-Oil-pressure-1.png\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 3<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400;\">La partie centrale du gicleur peut \u00eatre desserr\u00e9e ou manquante du gicleur de piston. (Fig. 4, #2)<\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-19617\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2025\/03\/F04-Oil-pressure-2.png\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 4<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400;\">Lorsque le gicleur est retir\u00e9, les composants de la partie centrale peuvent se trouver sur le dessus de l&#8217;arbre d&#8217;\u00e9quilibrage dans la cr\u00e9pine de collecte d&#8217;huile ou dans le fond du carter d&#8217;huile (Fig. 5).<\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-19618\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2025\/03\/F05-Oil-pressure-4.png\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 5<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400;\">Certains des composants de la partie centrale (Fig. 6) peuvent ne pas \u00eatre retrouv\u00e9s et peuvent \u00eatre sortis du moteur par l&#8217;ouverture du bouchon de vidange lors d&#8217;une vidange d&#8217;huile.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-19619\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2025\/03\/F06-Oil-pressure-3.png\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 6<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400;\">Si l&#8217;on constate que l&#8217;un des gicleurs d&#8217;huile de piston manque de composants ou est endommag\u00e9, remplacer tous les gicleurs (Fig. 7, #1) en suivant les proc\u00e9dures indiqu\u00e9es dans les informations d&#8217;entretien appropri\u00e9es.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-19620\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2025\/03\/F07-Oil-pressure-5.png\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 7<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400;\">Pour plus de d\u00e9tails, se reporter au bulletin PIP6044.<\/p>\n<p style=\"font-weight: 400;\"><em>&#8211; Merci \u00e0 David Rutkowski<\/em><\/p>\n<p style=\"font-weight: 400;\">\n","protected":false},"excerpt":{"rendered":"<p>Une pression d&#8217;huile faible et irr\u00e9guli\u00e8re est possible sur certains mod\u00e8les Acadia, Traverse 2024-2025 et Enclave 2025 \u00e9quip\u00e9s d&#8217;un moteur 2.5L (EFC LKO). Le code d&#8217;anomalie P06DD (performance de la [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[76],"tags":[],"class_list":["post-8709","post","type-post","status-publish","format-standard","hentry","category-2025-march"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/8709","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=8709"}],"version-history":[{"count":2,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/8709\/revisions"}],"predecessor-version":[{"id":8719,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/8709\/revisions\/8719"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}