{"id":13785,"date":"2020-10-13T15:26:08","date_gmt":"2020-10-13T19:26:08","guid":{"rendered":"https:\/\/gm-techlink.com\/?p=13785"},"modified":"2020-10-13T15:26:08","modified_gmt":"2020-10-13T19:26:08","slug":"loose-turbocharger-actuator-bolts","status":"publish","type":"post","link":"https:\/\/gm-techlink.com\/?p=13785","title":{"rendered":"Loose Turbocharger Actuator Bolts"},"content":{"rendered":"<p>Some 2020-2021 Silverado and Sierra models equipped with the 3.0L turbocharged Duramax diesel engine (RPO LM2) may exhibit a lack of performance along with DTCs P003A (Turbocharger Boost Control Position Exceeded Learning Limit), P0046 (Turbocharger Boost Control Position Performance), P0299 (Engine Underboost) and\/or P0234 (Engine Overboost). If these conditions are found, check for loose bolts on the turbocharger actuator. (Fig. 18)<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-13771\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F18-bolt-1.png\" alt=\"\" width=\"740\" height=\"480\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F18-bolt-1.png 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F18-bolt-1-300x195.png 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F18-bolt-1-85x55.png 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F18-bolt-1-200x130.png 200w\" sizes=\"(max-width: 740px) 100vw, 740px\" \/><strong>Fig. 18<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>If any of the three actuator bolts are not fully seated (Fig. 19), the threads may be damaged and the turbocharger should be replaced. The actuator is not available as a service part.<\/p>\n<p>If all the bolts are fully seats, continued with the diagnostics outlined in the appropriate Service Information.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-13772\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F19-bolt-2.png\" alt=\"\" width=\"740\" height=\"479\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F19-bolt-2.png 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F19-bolt-2-300x194.png 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F19-bolt-2-85x55.png 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F19-bolt-2-200x130.png 200w\" sizes=\"(max-width: 740px) 100vw, 740px\" \/><strong>Fig. 19<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><em>&#8211; Thanks to Robert Bastien<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Some 2020-2021 Silverado and Sierra models equipped with the 3.0L turbocharged Duramax diesel engine (RPO LM2) may exhibit a lack of performance along with DTCs P003A (Turbocharger Boost Control Position [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-13785","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/13785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13785"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/13785\/revisions"}],"predecessor-version":[{"id":13786,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/13785\/revisions\/13786"}],"wp:attachment":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}