{"id":3396,"date":"2011-06-23T20:22:38","date_gmt":"2011-06-24T01:22:38","guid":{"rendered":"http:\/\/freeautomechanic.com\/mechanic\/forum\/?p=3396"},"modified":"2011-06-27T13:37:38","modified_gmt":"2011-06-27T18:37:38","slug":"sononma-brake-problems","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2011\/06\/sononma-brake-problems","title":{"rendered":"Sononma brake problems"},"content":{"rendered":"

I recently got a 94 GMC Sonoma that has been setting for 4 years. The brake pedal went to about 1 inch from the floor with marginal stopping power. I bled the brakes with no change. I then changed the master cylinder and now the pedal goes down about 2 inches with so-so brakes then slowing drifts to about 1 inch from the floor. There are no visible leaks in the system. Any idea what I should do next? <\/p>\n","protected":false},"excerpt":{"rendered":"

I recently got a 94 GMC Sonoma that has been setting for 4 years. The brake pedal went to about 1 inch from the floor with marginal stopping power. I bled the brakes with no change. I then changed the master cylinder and now the pedal goes down about 2 inches with so-so brakes then… Read More »Sononma brake problems<\/span><\/a><\/p>\n","protected":false},"author":4033,"featured_media":0,"comment_status":"open","ping_status":"closed","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":[1,22],"tags":[47,412,411],"class_list":["post-3396","post","type-post","status-publish","format-standard","hentry","category-auto-repair-questions","category-gmc","tag-brakes","tag-s-10","tag-sonoma"],"yoast_head":"\nSononma brake problems - FreeAutoMechanic Advice<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2011\/06\/sononma-brake-problems\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sononma brake problems\" \/>\n<meta property=\"og:description\" content=\"I recently got a 94 GMC Sonoma that has been setting for 4 years. The brake pedal went to about 1 inch from the floor with marginal stopping power. I bled the brakes with no change. I then changed the master cylinder and now the pedal goes down about 2 inches with so-so brakes then… Read More »Sononma brake problems\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2011\/06\/sononma-brake-problems\" \/>\n<meta property=\"og:site_name\" content=\"FreeAutoMechanic Advice\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/freeautomechanic\" \/>\n<meta property=\"article:published_time\" content=\"2011-06-24T01:22:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2011-06-27T18:37:38+00:00\" \/>\n<meta name=\"author\" content=\"pgibson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"pgibson\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Sononma brake problems - FreeAutoMechanic Advice","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2011\/06\/sononma-brake-problems","og_locale":"en_US","og_type":"article","og_title":"Sononma brake problems","og_description":"I recently got a 94 GMC Sonoma that has been setting for 4 years. The brake pedal went to about 1 inch from the floor with marginal stopping power. I bled the brakes with no change. I then changed the master cylinder and now the pedal goes down about 2 inches with so-so brakes then… Read More »Sononma brake problems","og_url":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2011\/06\/sononma-brake-problems","og_site_name":"FreeAutoMechanic Advice","article_publisher":"https:\/\/www.facebook.com\/freeautomechanic","article_published_time":"2011-06-24T01:22:38+00:00","article_modified_time":"2011-06-27T18:37:38+00:00","author":"pgibson","twitter_card":"summary_large_image","twitter_misc":{"Written by":"pgibson"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2011\/06\/sononma-brake-problems#article","isPartOf":{"@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2011\/06\/sononma-brake-problems"},"author":{"name":"pgibson","@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/#\/schema\/person\/96cc1e3a8ff0cff9ee7d51f1b5c0ac57"},"headline":"Sononma brake problems","datePublished":"2011-06-24T01:22:38+00:00","dateModified":"2011-06-27T18:37:38+00:00","mainEntityOfPage":{"@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2011\/06\/sononma-brake-problems"},"wordCount":77,"commentCount":1,"publisher":{"@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/#organization"},"keywords":["Brakes","s-10","sonoma"],"articleSection":["Auto Repair Questions","GMC"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2011\/06\/sononma-brake-problems#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2011\/06\/sononma-brake-problems","url":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2011\/06\/sononma-brake-problems","name":"Sononma brake problems - 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