{"id":6300,"date":"2018-11-15T21:15:42","date_gmt":"2018-11-15T21:15:42","guid":{"rendered":"https:\/\/techlinkfrench.mynetworkcontent.com\/?p=6300"},"modified":"2019-01-15T22:05:20","modified_gmt":"2019-01-15T22:05:20","slug":"mouvement-excessif-de-laxe-de-galet-de-la-pompe-a-carburant-haute-pression","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=6300","title":{"rendered":"Mouvement excessif de l&#8217;axe de galet de la pompe \u00e0 carburant haute pression"},"content":{"rendered":"<p>Certains mod\u00e8les Malibu 2016-2019 \u00e9quip\u00e9s du moteur 1,5 L 4 cylindres (EFC LFV) peut pr\u00e9senter un probl\u00e8me de tr\u00e8s faible puissance en acc\u00e9l\u00e9ration. Le probl\u00e8me de faible puissance peut \u00eatre caus\u00e9 par un calage de l&#8217;allumage extr\u00eamement retard\u00e9 lors de l&#8217;acc\u00e9l\u00e9ration.<\/p>\n<p>Utiliser GDS 2 pour examiner le sch\u00e9ma du calage de l&#8217;allumage. Si le sch\u00e9ma est extr\u00eamement retard\u00e9 dans les situations de faible puissance, retirer le rouleau suiveur de la pompe \u00e0 carburant haute pression, puis inspecter l&#8217;axe de galet pour d\u00e9celer un jeu lat\u00e9ral excessif.<\/p>\n<p>Un certain jeu lat\u00e9ral de l&#8217;axe de galet est normal. Toutefois, dans des cas extr\u00eames, l&#8217;axe pourrait se d\u00e9placer suffisamment pour d\u00e9passer au-del\u00e0 du corps du galet et permettre le contact avec la culasse. Le mouvement lat\u00e9ral normal de l&#8217;axe (Fig. 19, no 1) lorsqu&#8217;il est pouss\u00e9 jusqu&#8217;au bout vers un c\u00f4t\u00e9 ne devrait pas permettre \u00e0 l&#8217;axe de d\u00e9passer au-del\u00e0 du corps du galet (Fig. 19, no 2).<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4396\" src=\"https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F19-p-pin-1.jpg\" sizes=\"auto, (max-width: 608px) 100vw, 608px\" srcset=\"https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F19-p-pin-1.jpg 608w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F19-p-pin-1-300x195.jpg 300w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F19-p-pin-1-85x55.jpg 85w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F19-p-pin-1-200x130.jpg 200w\" alt=\"\" width=\"608\" height=\"395\" \/><strong>Fig. 19<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Si l&#8217;axe de galet pr\u00e9sente un mouvement lat\u00e9ral excessif (Fig. 20, no 1), c&#8217;est-\u00e0-dire que l&#8217;axe d\u00e9passe le corps du galet (Fig. 20, no 2, l&#8217;axe entre en contact et endommage l&#8217;al\u00e9sage du galet de culasse.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4397\" src=\"https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F20-p-pin-2.jpg\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F20-p-pin-2.jpg 740w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F20-p-pin-2-300x195.jpg 300w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F20-p-pin-2-85x55.jpg 85w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F20-p-pin-2-200x130.jpg 200w\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 20<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Si l&#8217;al\u00e9sage du galet de culasse est endommag\u00e9 (Fig. 21, no 3) par un axe qui d\u00e9passait au-del\u00e0 du corps du galet, il faut remplacer le corps du rouleau. Pour toute question sur la port\u00e9e du jeu d&#8217;axe excessif, remplacer le galet suiveur et examiner les composants. Le remplacement de la culasse peut \u00eatre requis si l&#8217;al\u00e9sage du galet suiveur est endommag\u00e9.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4398\" src=\"https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F21-p-bore.jpg\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F21-p-bore.jpg 740w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F21-p-bore-300x195.jpg 300w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F21-p-bore-85x55.jpg 85w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F21-p-bore-200x130.jpg 200w\" alt=\"\" width=\"740\" height=\"481\" \/><strong>Fig. 21<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Une fois les composants n\u00e9cessaires remplac\u00e9s, \u00e9valuer la faible puissance en acc\u00e9l\u00e9ration.<\/p>\n<p>&nbsp;<\/p>\n<p><em>&#8211; Merci \u00e0 Robert Halas<\/em><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Certains mod\u00e8les Malibu 2016-2019 \u00e9quip\u00e9s du moteur 1,5 L 4 cylindres (EFC LFV) peut pr\u00e9senter un probl\u00e8me de tr\u00e8s faible puissance en acc\u00e9l\u00e9ration. Le probl\u00e8me de faible puissance peut \u00eatre [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6300","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/6300","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=6300"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/6300\/revisions"}],"predecessor-version":[{"id":6301,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/6300\/revisions\/6301"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}