{"id":79250,"date":"2022-04-26T11:15:59","date_gmt":"2022-04-26T18:15:59","guid":{"rendered":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=79250"},"modified":"2022-04-26T11:16:04","modified_gmt":"2022-04-26T18:16:04","slug":"2008-chevy-trailblazer-lt-belt-tensioner-replacement","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2022\/04\/2008-chevy-trailblazer-lt-belt-tensioner-replacement","title":{"rendered":"2008 Chevy Trailblazer LT Belt Tensioner Replacement"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">My tensioner pulley went stiff and caused my <a href=\"https:\/\/freeautomechanic.com\/alternator.html\">alternator<\/a> to fail, so do I have to replace both parts<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">The tensioner pulley has failed and should be replaced. And most likely you will need to also replace the serpentine belt<a href=\"https:\/\/freeautomechanic.com\/serpentine-belt-routing-diagrams.html\"> that rides on that belt. As for the alternator, it would no longer spin because the belt is broken due to the <\/a>tensioner locking up. So most likely the alternator is fine and should not need to be replaced. <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong><a href=\"https:\/\/freeautomechanic.com\/alternator.html\">How to Test your Alternator<\/a><\/strong><\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-drive-belt-tensioner-pulley-replace\">DRIVE BELT TENSIONER PULLEY, REPLACE<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">REMOVAL<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Remove accessory drive belt.<\/li><li>Remove drive belt tensioner bolts.<\/li><li>Then Remove drive belt tensioner, Fig. 1.<br \/>INSTALLATION<\/li><li>Install drive belt tensioner, Fig. 1.<\/li><li>Install drive belt tensioner bolts.<\/li><li>Torque bolts to 37 ft. lbs.<\/li><li>Install accessory drive belt.<\/li><\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2022\/04\/2008-chevy-trailblazer-belt-tensioner-repalcement-diagram.gif\"><img decoding=\"async\" width=\"595\" height=\"473\" src=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2022\/04\/2008-chevy-trailblazer-belt-tensioner-repalcement-diagram.gif\" alt=\"\" class=\"wp-image-79265\"\/><\/a><figcaption>Fig 1.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>My tensioner pulley went stiff and caused my alternator to fail, so do I have to replace both parts The tensioner pulley has failed and should be replaced. And most likely you will need to also replace the serpentine belt that rides on that belt. As for the alternator, it would no longer spin because&hellip;&nbsp;<a href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2022\/04\/2008-chevy-trailblazer-lt-belt-tensioner-replacement\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">2008 Chevy Trailblazer LT Belt Tensioner Replacement<\/span><\/a><\/p>\n","protected":false},"author":17263,"featured_media":79267,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[1,3],"tags":[],"class_list":["post-79250","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-auto-repair-questions","category-chevy"],"_links":{"self":[{"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/posts\/79250","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/users\/17263"}],"replies":[{"embeddable":true,"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/comments?post=79250"}],"version-history":[{"count":0,"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/posts\/79250\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/media\/79267"}],"wp:attachment":[{"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/media?parent=79250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/categories?post=79250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/tags?post=79250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}