{"id":12784,"date":"2020-03-19T13:50:56","date_gmt":"2020-03-19T17:50:56","guid":{"rendered":"https:\/\/techlink.mynetworkcontent.com\/?p=12784"},"modified":"2020-03-20T12:17:59","modified_gmt":"2020-03-20T16:17:59","slug":"wind-noise-from-the-front-of-the-vehicle","status":"publish","type":"post","link":"https:\/\/gm-techlink.com\/?p=12784","title":{"rendered":"Wind Noise from the Front of the Vehicle"},"content":{"rendered":"<p class=\"western\"><span style=\"font-size: 12pt;\">The 2020 Sierra 2500HD\/3500HD may have a whistling sound coming from the front of the vehicle while driving. (Fig. 29) The intermittent sound is most commonly heard when the vehicle is traveling 50 mph (80 km\/h) or higher and is also affected by the strength of crosswinds.<\/span><\/p>\n<p class=\"western\" style=\"text-align: center;\"><span style=\"font-size: 12pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-12776\" src=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/03\/F29-hood-Sierra-HD-1.jpg\" alt=\"\" width=\"740\" height=\"480\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/03\/F29-hood-Sierra-HD-1.jpg 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/03\/F29-hood-Sierra-HD-1-300x195.jpg 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/03\/F29-hood-Sierra-HD-1-85x55.jpg 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/03\/F29-hood-Sierra-HD-1-200x130.jpg 200w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><b>Fig. 29<\/b><\/span><\/p>\n<p class=\"western\"><span style=\"font-size: 12pt;\">The cause of the whistling sound may be air turbulence under the front edge of the hood. If this condition is found, replace the hood front edge weatherstrip and molding with updated service parts. (Fig. 30) <\/span><\/p>\n<p class=\"western\"><span style=\"font-size: 12pt;\">In order to remove the hood front molding, the hood ornamentation vent also must be removed. Refer to Hood Front Molding Replacement in the appropriate Service Information.<\/span><\/p>\n<p class=\"western\" style=\"text-align: center;\"><span style=\"font-size: 12pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-12777\" src=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/03\/F30-hood-2.png\" alt=\"\" width=\"740\" height=\"480\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/03\/F30-hood-2.png 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/03\/F30-hood-2-300x195.png 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/03\/F30-hood-2-85x55.png 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/03\/F30-hood-2-200x130.png 200w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><b>Fig. 30<\/b><\/span><\/p>\n<p class=\"western\"><span style=\"font-size: 12pt;\">Refer to Bulletin #20-NA-035 for additional information and part numbers.<\/span><\/p>\n<p class=\"western\"><span style=\"font-size: 12pt;\"><i>&#8211; Thanks to Kevin Minor<\/i><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The 2020 Sierra 2500HD\/3500HD may have a whistling sound coming from the front of the vehicle while driving. (Fig. 29) The intermittent sound is most commonly heard when the vehicle [&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-12784","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/12784","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=12784"}],"version-history":[{"count":2,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/12784\/revisions"}],"predecessor-version":[{"id":12817,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/12784\/revisions\/12817"}],"wp:attachment":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}