{"id":35611,"date":"2016-08-29T17:17:37","date_gmt":"2016-08-29T22:17:37","guid":{"rendered":"http:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=35611"},"modified":"2016-08-29T17:17:37","modified_gmt":"2016-08-29T22:17:37","slug":"1999-honda-passport-6cyl-4wd","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/08\/1999-honda-passport-6cyl-4wd","title":{"rendered":"1999 Honda Passport 6cyl 4wd"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-36184\" src=\"\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/07\/1999-honda-passport.jpg\" alt=\"1999 Honda Passport\" width=\"599\" height=\"327\" srcset=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/07\/1999-honda-passport.jpg 599w, https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/07\/1999-honda-passport-300x164.jpg 300w\" sizes=\"(max-width: 599px) 100vw, 599px\" \/>I installed a new radiator but when I climb a hill or mountain in 90 degree + heat the cooling system heats up. If I turn off the <a href=\"\/\/www.freeautomechanic.com\/airconditioning.html\">a\/c<\/a> and turn on the heater full it usually cools back to normal. on any other terrain other than a steep hill, it stays in the normal range with the a\/c on. It doesn&#8217;t leak or use any water (no leaks). Only in hot weather and on an incline.<\/p>\n<hr \/>\n<p>RESPONSE<\/p>\n<p>No more hills for you, Just kidding. Sounds like the <a href=\"\/\/www.freeautomechanic.com\/cooling-system-thermostat.html\">thermostat<\/a> may be sticking open a bit. When this happens the coolant doesn&#8217;t stay in the radiator long enough to cool under stressful conditions such as heavy acceleration or climbing hills.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I installed a new radiator but when I climb a hill or mountain in 90 degree + heat the cooling system heats up. If I turn off the a\/c and turn on the heater full it usually cools back to normal. on any other terrain other than a steep hill, it stays in the normal&hellip;&nbsp;<a href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/08\/1999-honda-passport-6cyl-4wd\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">1999 Honda Passport 6cyl 4wd<\/span><\/a><\/p>\n","protected":false},"author":11224,"featured_media":0,"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":[1,4],"tags":[10886,413],"class_list":["post-35611","post","type-post","status-publish","format-standard","hentry","category-auto-repair-questions","category-honda","tag-cooling-system-heats-up","tag-passport"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>1999 Honda Passport 6cyl 4wd - 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\/2016\/08\/1999-honda-passport-6cyl-4wd\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1999 Honda Passport 6cyl 4wd\" \/>\n<meta property=\"og:description\" content=\"I installed a new radiator but when I climb a hill or mountain in 90 degree + heat the cooling system heats up. If I turn off the a\/c and turn on the heater full it usually cools back to normal. on any other terrain other than a steep hill, it stays in the normal&hellip;&nbsp;Read More &raquo;1999 Honda Passport 6cyl 4wd\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/08\/1999-honda-passport-6cyl-4wd\" \/>\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=\"2016-08-29T22:17:37+00:00\" \/>\n<meta property=\"og:image\" content=\"\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/07\/1999-honda-passport.jpg\" \/>\n<meta name=\"author\" content=\"rbf2668\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rbf2668\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"1999 Honda Passport 6cyl 4wd - 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\/2016\/08\/1999-honda-passport-6cyl-4wd","og_locale":"en_US","og_type":"article","og_title":"1999 Honda Passport 6cyl 4wd","og_description":"I installed a new radiator but when I climb a hill or mountain in 90 degree + heat the cooling system heats up. If I turn off the a\/c and turn on the heater full it usually cools back to normal. on any other terrain other than a steep hill, it stays in the normal&hellip;&nbsp;Read More &raquo;1999 Honda Passport 6cyl 4wd","og_url":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/08\/1999-honda-passport-6cyl-4wd","og_site_name":"FreeAutoMechanic Advice","article_publisher":"https:\/\/www.facebook.com\/freeautomechanic","article_published_time":"2016-08-29T22:17:37+00:00","og_image":[{"url":"\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/07\/1999-honda-passport.jpg","type":"","width":"","height":""}],"author":"rbf2668","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rbf2668","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/08\/1999-honda-passport-6cyl-4wd#article","isPartOf":{"@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/08\/1999-honda-passport-6cyl-4wd"},"author":{"name":"rbf2668","@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/#\/schema\/person\/e05400595cad02ad0d4bbe54a4114dc8"},"headline":"1999 Honda Passport 6cyl 4wd","datePublished":"2016-08-29T22:17:37+00:00","mainEntityOfPage":{"@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/08\/1999-honda-passport-6cyl-4wd"},"wordCount":125,"commentCount":0,"publisher":{"@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/#organization"},"keywords":["cooling system heats up","Passport"],"articleSection":["Auto Repair Questions","Honda"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/08\/1999-honda-passport-6cyl-4wd#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/08\/1999-honda-passport-6cyl-4wd","url":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/08\/1999-honda-passport-6cyl-4wd","name":"1999 Honda Passport 6cyl 4wd - 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