{"id":23025,"date":"2025-06-02T15:49:23","date_gmt":"2025-06-02T13:49:23","guid":{"rendered":"https:\/\/www.noleaky.com\/products\/radiator-flush\/"},"modified":"2026-03-01T14:39:08","modified_gmt":"2026-03-01T13:39:08","slug":"radiator-flush","status":"publish","type":"product","link":"https:\/\/www.noleaky.com\/uk\/products\/radiator-flush\/","title":{"rendered":"Radiator Cleaner"},"content":{"rendered":"<p><strong><img decoding=\"async\" style=\"margin-right: 12px;\" src=\"https:\/\/www.noleaky.com\/wp-content\/uploads\/2026\/02\/Check.svg\" alt=\"\" width=\"18\" height=\"15\" \/>Deeply cleans your cooling system for optimal engine temperature control.<\/strong> Our radiator cleaner is specially formulated to remove sludge, rust, scale, and oily residues that accumulate inside the cooling system over time. By thoroughly cleaning internal passages, it restores proper coolant circulation and helps maintain stable engine operating temperatures.<\/p>\n<p><strong><img decoding=\"async\" style=\"margin-right: 12px;\" src=\"https:\/\/www.noleaky.com\/wp-content\/uploads\/2026\/02\/Check.svg\" alt=\"\" width=\"18\" height=\"15\" \/>The most effective cooling system flush solution available.<\/strong> Thanks to its powerful yet safe cleaning agents, this is the most effective radiator cleaner in its category. It dissolves stubborn deposits inside radiators, heater cores, water pumps, and engine blocks, improving heat exchange efficiency and overall cooling performance.<\/p>\n<p><strong><img decoding=\"async\" style=\"margin-right: 12px;\" src=\"https:\/\/www.noleaky.com\/wp-content\/uploads\/2026\/02\/Check.svg\" alt=\"\" width=\"18\" height=\"15\" \/>The cheapest professional-grade radiator cleaning treatment.<\/strong> We offer high-performance cooling system maintenance at the most competitive price. Our radiator cleaner is the cheapest solution on the market while delivering professional-level results, helping you avoid expensive mechanical repairs caused by overheating.<\/p>\n<p><strong><img decoding=\"async\" style=\"margin-right: 12px;\" src=\"https:\/\/www.noleaky.com\/wp-content\/uploads\/2026\/02\/Check.svg\" alt=\"\" width=\"18\" height=\"15\" \/>24-hour delivery for urgent cooling system maintenance.<\/strong> Overheating problems require fast action. That is why we guarantee 24-hour delivery, allowing you to clean and restore your cooling system quickly before serious engine damage occurs.<\/p>\n<p><strong><img decoding=\"async\" style=\"margin-right: 12px;\" src=\"https:\/\/www.noleaky.com\/wp-content\/uploads\/2026\/02\/Check.svg\" alt=\"\" width=\"18\" height=\"15\" \/>Money-back guarantee for complete confidence.<\/strong> We stand fully behind the effectiveness of our radiator cleaner. If you are not satisfied with the results, we offer a money-back guarantee. Simply contact us and we will refund your purchase, ensuring a risk-free purchase.<\/p>\n<p><strong><img decoding=\"async\" style=\"margin-right: 12px;\" src=\"https:\/\/www.noleaky.com\/wp-content\/uploads\/2026\/02\/Check.svg\" alt=\"\" width=\"18\" height=\"15\" \/>Improves heat transfer and engine efficiency.<\/strong> By removing scale and corrosion deposits that act as insulation, the cleaner allows coolant to absorb and dissipate heat more effectively. This improves engine efficiency and reduces strain on cooling components.<\/p>\n<p><strong><img decoding=\"async\" style=\"margin-right: 12px;\" src=\"https:\/\/www.noleaky.com\/wp-content\/uploads\/2026\/02\/Check.svg\" alt=\"\" width=\"18\" height=\"15\" \/>Prevents overheating and costly repairs.<\/strong> A clogged or dirty radiator can lead to overheating, warped components, and engine damage. Regular use of our radiator cleaner helps prevent these issues and extends the lifespan of your vehicle\u2019s cooling system.<\/p>\n<p><strong><img decoding=\"async\" style=\"margin-right: 12px;\" src=\"https:\/\/www.noleaky.com\/wp-content\/uploads\/2026\/02\/Check.svg\" alt=\"\" width=\"18\" height=\"15\" \/>Compatible with most cooling systems.<\/strong> Suitable for use in cars, vans, light trucks, and many liquid-cooled engines, this cleaner works with aluminum, copper, and plastic radiator components when used as directed.<\/p>\n<p><strong><img decoding=\"async\" style=\"margin-right: 12px;\" src=\"https:\/\/www.noleaky.com\/wp-content\/uploads\/2026\/02\/Check.svg\" alt=\"\" width=\"18\" height=\"15\" \/>Restores heater performance.<\/strong> Sludge buildup can restrict coolant flow through the heater core, reducing cabin heating efficiency. Cleaning the system helps restore proper heat output during cold weather.<\/p>\n<p><strong><img decoding=\"async\" style=\"margin-right: 12px;\" src=\"https:\/\/www.noleaky.com\/wp-content\/uploads\/2026\/02\/Check.svg\" alt=\"\" width=\"18\" height=\"15\" \/>High treatment capacity with efficient coverage.<\/strong> One bottle is designed to treat an entire standard cooling system, ensuring thorough internal coverage and cost-effective maintenance without requiring multiple products.<\/p>\n<h2><strong>Instructions<\/strong><\/h2>\n<ul>\n<li>Ensure the engine is completely cool before starting the procedure.<\/li>\n<li>Shake the radiator cleaner bottle well before use.<\/li>\n<li>Drain sufficient coolant from the radiator to allow space for the cleaner if the system is full.<\/li>\n<li>Pour the entire contents of the bottle into the radiator or expansion tank according to vehicle design.<\/li>\n<li>Top up with water if necessary to ensure proper circulation.<\/li>\n<li>Start the engine and allow it to idle for 15 to 30 minutes with the heater set to maximum to ensure the cleaner circulates through the entire system.<\/li>\n<li>Turn off the engine and allow it to cool completely.<\/li>\n<li>Drain the cooling system thoroughly to remove dissolved deposits and contaminants.<\/li>\n<li>Flush the system with clean water until the water runs clear.<\/li>\n<li>Refill the system with fresh coolant according to manufacturer specifications and check for leaks before normal driving.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Deeply cleans your cooling system for optimal engine temperature control. Our radiator cleaner is specially formulated to remove sludge, rust, scale, and oily residues that accumulate inside the cooling system over time. By thoroughly cleaning internal passages, it restores proper coolant circulation and helps maintain stable engine operating temperatures. The most effective cooling system flush [&hellip;]<\/p>\n","protected":false},"featured_media":23091,"comment_status":"open","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[176],"product_tag":[],"class_list":{"0":"post-23025","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-automotive","7":"desktop-align-left","8":"tablet-align-left","9":"mobile-align-left","11":"first","12":"instock","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"spectra_custom_meta":{"_visibility":["visible"],"_shopify_product_id":["1706252009506"],"_s2w_shopify_domain":["noleaky.myshopify.com"],"_shopify_variant_id":["16017043324962"],"_sku":["NLRADIATORCLEANER"],"_regular_price":["9.90"],"_price":["9.90"],"_sale_price":[""],"_weight":["0.25"],"_thumbnail_id":["23091"],"_global_unique_id":["5056773800922"],"total_sales":["72"],"_tax_status":["taxable"],"_tax_class":[""],"_manage_stock":["no"],"_backorders":["no"],"_sold_individually":["no"],"_virtual":["no"],"_downloadable":["no"],"_download_limit":["-1"],"_download_expiry":["-1"],"_stock":[null],"_stock_status":["instock"],"_wc_average_rating":["4.87"],"_wc_review_count":["79"],"_product_version":["10.5.2"],"_edit_lock":["1772372505:1"],"merchant-center-availability":["yes"],"merchant-center-category":["2517"],"merchant-center-id":["RF"],"_edit_last":["1"],"_wp_page_template":["default"],"site-sidebar-layout":["default"],"ast-site-content-layout":["default"],"site-content-style":["default"],"site-sidebar-style":["default"],"theme-transparent-header-meta":["default"],"_wc_rating_count":["a:3:{i:3;i:1;i:4;i:8;i:5;i:70;}"],"_upsell_ids":["a:3:{i:0;i:22975;i:1;i:22976;i:2;i:23022;}"],"_crosssell_ids":["a:3:{i:0;i:22975;i:1;i:22976;i:2;i:23022;}"],"astra-migrate-meta-layouts":["set"],"_uag_css_file_name":["uag-css-23025.css"],"_elementor_page_assets":["a:0:{}"],"_uag_page_assets":["a:9:{s:3:\"css\";s:6893:\".wp-block-uagb-image{display:flex}.wp-block-uagb-image__figure{position:relative;display:flex;flex-direction:column;max-width:100%;height:auto;margin:0}.wp-block-uagb-image__figure img{height:auto;display:flex;max-width:100%;transition:box-shadow 0.2s ease}.wp-block-uagb-image__figure>a{display:inline-block}.wp-block-uagb-image__figure figcaption{text-align:center;margin-top:0.5em;margin-bottom:1em}.wp-block-uagb-image .components-placeholder.block-editor-media-placeholder .components-placeholder__instructions{align-self:center}.wp-block-uagb-image--align-left{text-align:left}.wp-block-uagb-image--align-right{text-align:right}.wp-block-uagb-image--align-center{text-align:center}.wp-block-uagb-image--align-full .wp-block-uagb-image__figure{margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);max-width:100vw;width:100vw;height:auto}.wp-block-uagb-image--align-full .wp-block-uagb-image__figure img{height:auto;width:100% !important}.wp-block-uagb-image--align-wide .wp-block-uagb-image__figure img{height:auto;width:100%}.wp-block-uagb-image--layout-overlay__color-wrapper{position:absolute;left:0;top:0;right:0;bottom:0;opacity:0.2;background:rgba(0,0,0,0.5);transition:opacity 0.35s ease-in-out}.wp-block-uagb-image--layout-overlay-link{position:absolute;left:0;right:0;bottom:0;top:0}.wp-block-uagb-image--layout-overlay .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__color-wrapper{opacity:1}.wp-block-uagb-image--layout-overlay__inner{position:absolute;left:15px;right:15px;bottom:15px;top:15px;display:flex;align-items:center;justify-content:center;flex-direction:column;border-color:#fff;transition:0.35s ease-in-out}.wp-block-uagb-image--layout-overlay__inner.top-left,.wp-block-uagb-image--layout-overlay__inner.top-center,.wp-block-uagb-image--layout-overlay__inner.top-right{justify-content:flex-start}.wp-block-uagb-image--layout-overlay__inner.bottom-left,.wp-block-uagb-image--layout-overlay__inner.bottom-center,.wp-block-uagb-image--layout-overlay__inner.bottom-right{justify-content:flex-end}.wp-block-uagb-image--layout-overlay__inner.top-left,.wp-block-uagb-image--layout-overlay__inner.center-left,.wp-block-uagb-image--layout-overlay__inner.bottom-left{align-items:flex-start}.wp-block-uagb-image--layout-overlay__inner.top-right,.wp-block-uagb-image--layout-overlay__inner.center-right,.wp-block-uagb-image--layout-overlay__inner.bottom-right{align-items:flex-end}.wp-block-uagb-image--layout-overlay__inner .uagb-image-heading{color:#fff;transition:transform 0.35s, opacity 0.35s ease-in-out;transform:translate3d(0, 24px, 0);margin:0;line-height:1em}.wp-block-uagb-image--layout-overlay__inner .uagb-image-separator{width:30%;border-top-width:2px;border-top-color:#fff;border-top-style:solid;margin-bottom:10px;opacity:0;transition:transform 0.4s, opacity 0.4s ease-in-out;transform:translate3d(0, 30px, 0)}.wp-block-uagb-image--layout-overlay__inner .uagb-image-caption{opacity:0;overflow:visible;color:#fff;transition:transform 0.45s, opacity 0.45s ease-in-out;transform:translate3d(0, 35px, 0)}.wp-block-uagb-image--layout-overlay__inner:hover .uagb-image-heading,.wp-block-uagb-image--layout-overlay__inner:hover .uagb-image-separator,.wp-block-uagb-image--layout-overlay__inner:hover .uagb-image-caption{opacity:1;transform:translate3d(0, 0, 0)}.wp-block-uagb-image--effect-zoomin .wp-block-uagb-image__figure img,.wp-block-uagb-image--effect-zoomin .wp-block-uagb-image__figure .wp-block-uagb-image--layout-overlay__color-wrapper{transform:scale(1);transition:transform 0.35s ease-in-out}.wp-block-uagb-image--effect-zoomin .wp-block-uagb-image__figure:hover img,.wp-block-uagb-image--effect-zoomin .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__color-wrapper{transform:scale(1.05)}.wp-block-uagb-image--effect-slide .wp-block-uagb-image__figure img,.wp-block-uagb-image--effect-slide .wp-block-uagb-image__figure .wp-block-uagb-image--layout-overlay__color-wrapper{width:calc(100% + 40px) !important;max-width:none !important;transform:translate3d(-40px, 0, 0);transition:transform 0.35s ease-in-out}.wp-block-uagb-image--effect-slide .wp-block-uagb-image__figure:hover img,.wp-block-uagb-image--effect-slide .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__color-wrapper{transform:translate3d(0, 0, 0)}.wp-block-uagb-image--effect-grayscale img{filter:grayscale(0%);transition:0.35s ease-in-out}.wp-block-uagb-image--effect-grayscale:hover img{filter:grayscale(100%)}.wp-block-uagb-image--effect-blur img{filter:blur(0);transition:0.35s ease-in-out}.wp-block-uagb-image--effect-blur:hover img{filter:blur(3px)}\n.uagb-block-e6f939b3.wp-block-uagb-image--layout-default figure img{box-shadow: 0px 0px 0 #00000070;}.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image__figure figcaption{font-style: normal;align-self: center;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay figure img{box-shadow: 0px 0px 0 #00000070;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__color-wrapper{opacity: 0.2;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__inner{left: 15px;right: 15px;top: 15px;bottom: 15px;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__inner .uagb-image-heading{font-style: normal;color: #fff;opacity: 1;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__inner .uagb-image-heading a{color: #fff;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__inner .uagb-image-caption{opacity: 0;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__color-wrapper{opacity: 1;}.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image--layout-overlay__inner .uagb-image-separator{width: 30%;border-top-width: 2px;border-top-color: #fff;opacity: 0;}.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image__figure img{width: px;height: auto;}.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__inner .uagb-image-caption{opacity: 1;}.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__inner .uagb-image-separator{opacity: 1;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-default figure:hover img{box-shadow: 0px 0px 0 #00000070;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay figure:hover img{box-shadow: 0px 0px 0 #00000070;}@media only screen and (max-width: 976px) {.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image__figure img{width: px;height: auto;}}@media only screen and (max-width: 767px) {.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image__figure img{width: px;height: auto;}}\";s:2:\"js\";s:0:\"\";s:18:\"current_block_list\";a:13:{i:0;s:11:\"core\/search\";i:1;s:10:\"core\/group\";i:2;s:12:\"core\/heading\";i:3;s:17:\"core\/latest-posts\";i:4;s:20:\"core\/latest-comments\";i:5;s:13:\"core\/archives\";i:6;s:15:\"core\/categories\";i:7;s:14:\"core\/paragraph\";i:8;s:10:\"uagb\/image\";i:9;s:11:\"core\/spacer\";i:10;s:30:\"woocommerce\/product-categories\";i:11;s:10:\"core\/image\";i:12;s:14:\"core\/shortcode\";}s:8:\"uag_flag\";b:1;s:11:\"uag_version\";s:10:\"1776755173\";s:6:\"gfonts\";a:0:{}s:10:\"gfonts_url\";s:0:\"\";s:12:\"gfonts_files\";a:0:{}s:14:\"uag_faq_layout\";b:0;}"]},"uagb_featured_image_src":{"full":["https:\/\/www.noleaky.com\/wp-content\/uploads\/2025\/06\/Radiatorflush100ml.png",2560,2560,false],"thumbnail":["https:\/\/www.noleaky.com\/wp-content\/uploads\/2025\/06\/Radiatorflush100ml-150x150.png",150,150,true],"medium":["https:\/\/www.noleaky.com\/wp-content\/uploads\/2025\/06\/Radiatorflush100ml-300x300.png",300,300,true],"medium_large":["https:\/\/www.noleaky.com\/wp-content\/uploads\/2025\/06\/Radiatorflush100ml-768x768.png",768,768,true],"large":["https:\/\/www.noleaky.com\/wp-content\/uploads\/2025\/06\/Radiatorflush100ml-1024x1024.png",1024,1024,true],"1536x1536":["https:\/\/www.noleaky.com\/wp-content\/uploads\/2025\/06\/Radiatorflush100ml-1536x1536.png",1536,1536,true],"2048x2048":["https:\/\/www.noleaky.com\/wp-content\/uploads\/2025\/06\/Radiatorflush100ml-2048x2048.png",2048,2048,true],"trp-custom-language-flag":["https:\/\/www.noleaky.com\/wp-content\/uploads\/2025\/06\/Radiatorflush100ml-12x12.png",12,12,true],"woocommerce_thumbnail":["https:\/\/www.noleaky.com\/wp-content\/uploads\/2025\/06\/Radiatorflush100ml-300x300.png",300,300,true],"woocommerce_single":["https:\/\/www.noleaky.com\/wp-content\/uploads\/2025\/06\/Radiatorflush100ml-600x600.png",600,600,true],"woocommerce_gallery_thumbnail":["https:\/\/www.noleaky.com\/wp-content\/uploads\/2025\/06\/Radiatorflush100ml-100x100.png",100,100,true]},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/www.noleaky.com\/uk\/author\/"},"uagb_comment_info":79,"uagb_excerpt":"Deeply cleans your cooling system for optimal engine temperature control. Our radiator cleaner is specially formulated to remove sludge, rust, scale, and oily residues that accumulate inside the cooling system over time. By thoroughly cleaning internal passages, it restores proper coolant circulation and helps maintain stable engine operating temperatures. The most effective cooling system flush&hellip;","_links":{"self":[{"href":"https:\/\/www.noleaky.com\/uk\/wp-json\/wp\/v2\/product\/23025","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.noleaky.com\/uk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.noleaky.com\/uk\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.noleaky.com\/uk\/wp-json\/wp\/v2\/comments?post=23025"}],"version-history":[{"count":3,"href":"https:\/\/www.noleaky.com\/uk\/wp-json\/wp\/v2\/product\/23025\/revisions"}],"predecessor-version":[{"id":33265,"href":"https:\/\/www.noleaky.com\/uk\/wp-json\/wp\/v2\/product\/23025\/revisions\/33265"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.noleaky.com\/uk\/wp-json\/wp\/v2\/media\/23091"}],"wp:attachment":[{"href":"https:\/\/www.noleaky.com\/uk\/wp-json\/wp\/v2\/media?parent=23025"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.noleaky.com\/uk\/wp-json\/wp\/v2\/product_brand?post=23025"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.noleaky.com\/uk\/wp-json\/wp\/v2\/product_cat?post=23025"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.noleaky.com\/uk\/wp-json\/wp\/v2\/product_tag?post=23025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}