{"id":3578,"date":"2022-08-11T18:34:33","date_gmt":"2022-08-11T23:34:33","guid":{"rendered":"https:\/\/www.bioblend.com\/?page_id=3578"},"modified":"2025-11-17T15:50:51","modified_gmt":"2025-11-17T21:50:51","slug":"how-to-drain-hydraulic-fluid","status":"publish","type":"page","link":"https:\/\/www.bioblend.com\/fr\/how-to-drain-hydraulic-fluid\/","title":{"rendered":"Comment vidanger le liquide hydraulique"},"content":{"rendered":"<p>Enlever autant de vieux <a href=\"https:\/\/www.bioblend.com\/fr\/categorie-produit\/hydraulic-circulating-oil\/\">fluide hydraulique<\/a> du moteur que possible est toujours le but d&#039;une vidange d&#039;huile ! De nombreuses strat\u00e9gies am\u00e9liorent la quantit\u00e9 de fluide qui quitte le syst\u00e8me.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3579 aligncenter\" src=\"https:\/\/www.bioblend.com\/wp-content\/uploads\/How-to-Drain-Hydraulic-Fluid.jpg\" alt=\"draining a hydraulic fluid\" width=\"1024\" height=\"684\" srcset=\"https:\/\/www.bioblend.com\/wp-content\/uploads\/How-to-Drain-Hydraulic-Fluid.jpg 1024w, https:\/\/www.bioblend.com\/wp-content\/uploads\/How-to-Drain-Hydraulic-Fluid-980x655.jpg 980w, https:\/\/www.bioblend.com\/wp-content\/uploads\/How-to-Drain-Hydraulic-Fluid-480x321.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/p>\n<p><span style=\"font-weight: 400;\">When changing hydraulic fluid, the goal is to remove <\/span><b>as much of the old fluid as possible<\/b><span style=\"font-weight: 400;\"> so that the new fluid is not contaminated. Below is a step-by-step guide plus tips, safety precautions, and extra techniques to help you do a thorough job.<\/span><\/p>\n<h2><b>Why Is It Important to Drain Hydraulic Fluid Thoroughly?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Hydraulic fluid degrades over time and absorbs contaminants from many sources:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Manufacturing contamination (in the system or fluid)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wear and abrasion of internal parts<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Corrosion and oxidation<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cavitation effects<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.bioblend.com\/fr\/how-to-remove-water-from-hydraulic-oil\/\">Ingress of water<\/a> or air<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Seal leaks allowing abrasive particles in<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">These impurities reduce the fluid\u2019s performance, can damage valves, pumps, seals, and other components, and shorten equipment life. Therefore, hydraulic fluid must be replaced on a regular maintenance schedule\u2014and draining thoroughly helps prevent the leftover \u201cbad\u201d fluid from contaminating the new fluid.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">On a Side Note: If your goal is to maximize your fluid\u2019s performance, your equipment\u2019s performance and overall health, and possibly extending drain intervals it is important to consider adding an oil analysis program if you do not have one in place. Additionally, the proper use of various filtration and breather options can be extremely helpful to reaching these goals.<\/span><\/p>\n<h2><b>Safety First: Precautions Before Draining<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Before you begin, always keep safety your top priority:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Relieve system pressure<\/b><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Many hydraulic systems remain pressurized even when off. Before disconnecting any lines or opening ports, release all pressure (often by operating actuators in neutral, or using a pressure-relief valve). Fluid under pressure can penetrate your skin \u2014 a serious injury.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Allow system to cool<\/b><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Hydraulic fluid can become very hot during operation. Wait until the system has cooled to avoid burns.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Wear protective gear<\/b><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Use gloves, safety glasses, and other appropriate PPE. Never use your bare hands to check for leaks.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Avoid contamination<\/b><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Don\u2019t open the reservoir or cover more than needed. Dust, dirt, or moisture entering while you work can spoil new fluid.<\/span><\/li>\n<\/ol>\n<h2><b>Step-by-Step Process to Drain Hydraulic Fluid Thoroughly<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Below is a more fleshed-out procedure:<\/span><\/p>\n<h3><b>1. Prepare your tools and work area<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A clean catch container large enough to hold all the fluid<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wrenches, sockets, screwdrivers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Replacement filters<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Clean rags, absorbent mats<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A desiccant breather (if not already installed)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">(Optional) portable filter cart or pump for assist draining<\/span><\/li>\n<\/ul>\n<h3><b>2. Position all cylinders and expansion elements to \u201cclosed\u201d or minimal extension<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">With cylinders fully retracted (or in closed positions), there is less fluid trapped inside them and expansion components. This allows more fluid to be drained.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>3. Allow air ingress<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">To let fluid flow out freely, air must be allowed into the circuit (for example via breather ports). In practice, all breather ports should be open (or replaced with desiccating breathers) to prevent moisture or dust from entering.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>4. Remove return-line filters (if applicable)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">These filters often trap a significant amount of fluid. Removing them opens more flow paths and allows additional fluid to drain.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>5. Locate and open drain ports<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The main reservoir will typically have the largest drain plug or valve \u2014 this is where most fluid will exit.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Some systems include <\/span><b>secondary or low-point drains<\/b><span style=\"font-weight: 400;\"> on lines, valve blocks, or low areas in the circuit. You should open those too, if accessible.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><b>6. Gravity drain<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Let gravity do most of the work. The fluid should flow out into your container. Be patient \u2014 allow sufficient time for fluid to stop draining noticeably.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>7. Assist with purging (optional but helpful)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">To push out fluid remaining in lines and components, you can:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cycle the controls slowly (move valves, actuators) while drained, so residual fluid is forced out.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use compressed air (applied carefully and safely) to blow lines (only if equipment design allows and after pressure is relieved).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use a portable filter cart or vacuum pump to suck remaining fluid from hard-to-reach areas.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Many operators of <a href=\"https:\/\/www.bioblend.com\/fr\/industries\/construction-equipment\/\">heavy equipment<\/a> use a \u201cpurge\u201d approach: drain the reservoir, disconnect a return line, run actuators in certain patterns, then reattach lines. This helps move contaminated fluid into the waste container rather than leaving it behind.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>8. Flush the system (if needed)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">If the system is particularly dirty or contaminated, a flush is recommended:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use a compatible, low-viscosity \u201cflush\u201d fluid or solvent.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fill the system, run it to circulate, then drain while hot.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Replace filters again and clean the reservoir before final refill.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">This helps dislodge sludge, varnish, or residual contaminants.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>9. Close drains and reinstall filters<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Once draining (and flushing, if done) is complete, close all drain plugs, reinstall filters and seals (with new crush washers if required), and ensure everything is tightened properly.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>10. Refill with new hydraulic fluid<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Refill to the correct level using the manufacturer\u2019s recommended fluid type. As you refill, you may need to bleed air from the system (open relief or vent ports, cycle actuators).<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>11. Run and check the hydraulic system<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Run the hydraulic system for a short time, move actuators to help remove air bubbles.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Let the system rest, recheck fluid level, top off if needed.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Inspect all connections, seals, and joints for leaks.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Monitor for unusual behavior.<\/span><\/li>\n<li aria-level=\"1\">If the system behaves inconsistently or power feels weak, you may be experiencing early <a href=\"https:\/\/www.bioblend.com\/fr\/low-hydraulic-fluid-symptoms-what-you-need-to-know\/\"><strong data-start=\"2183\" data-end=\"2215\">low hydraulic fluid symptoms<\/strong><\/a>.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><b>12. Dispose of old hydraulic fluid properly<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Used hydraulic fluid is hazardous. Follow local regulations or recycling centers for oily waste. Never dump it into drains, soil, or water systems.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>Tips and Common Pitfalls<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Work with fluid warmed<\/b><span style=\"font-weight: 400;\">: Heating fluid (by running the system lightly before draining) helps it flow more easily and carry more contaminants out.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Install a desiccant breather<\/b><span style=\"font-weight: 400;\">: This helps filter moisture and particulates out of incoming air, preventing future contamination.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cycle hydraulic functions while draining<\/b><span style=\"font-weight: 400;\">: This forces trapped fluid out of lines, cylinders, and valve bodies.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Avoid over-loosening<\/b><span style=\"font-weight: 400;\">: Too loose drain plugs or open ports can introduce debris or make it hard to control the flow.<\/span><\/li>\n<\/ul>\n<p><b>Follow manufacturer\u2019s specific steps<\/b><span style=\"font-weight: 400;\">: Each machine may have unique valves or purge paths. Always consult your equipment manual.<\/span><\/p>\n<p>Properly draining hydraulic fluid is essential for maintaining the efficiency and longevity of your equipment. At <strong>BioBlend<\/strong>, we offer a range of high-performance, <a href=\"https:\/\/www.bioblend.com\/fr\/environmental-friendly-lubricants\/\" target=\"_new\" rel=\"noopener\">lubrifiants respectueux de l&#039;environnement<\/a> designed to keep your hydraulic systems running smoothly. From preventing contamination to selecting the right fluid for your needs, our solutions help you maintain your equipment\u2019s peak performance. Explore our full <a href=\"https:\/\/www.bioblend.com\/fr\/products\/\" target=\"_new\" rel=\"noopener\">product lineup<\/a>, see how we support various industries on our <a href=\"https:\/\/www.bioblend.com\/fr\/industries\/\" target=\"_new\" rel=\"noopener\">industries page<\/a>, or visit our <a href=\"https:\/\/www.bioblend.com\/fr\/\" target=\"_new\" rel=\"noopener\">homepage<\/a> to learn more. Need expert guidance? <a href=\"https:\/\/www.bioblend.com\/fr\/contact-us\/\" target=\"_new\" rel=\"noopener\">Contact us<\/a> today for tailored recommendations.<\/p>","protected":false},"excerpt":{"rendered":"<p>Removing as much old hydraulic fluid from the engine as possible is always the goal of an oil change! Numerous strategies enhance the amount of fluid that leaves the system. When changing hydraulic fluid, the goal is to remove as much of the old fluid as possible so that the new fluid is not contaminated. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3579,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"class_list":["post-3578","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Drain Hydraulic Fluid - BioBlend Lubricants &amp; Industrial Products<\/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.bioblend.com\/fr\/how-to-drain-hydraulic-fluid\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Drain Hydraulic Fluid - BioBlend Lubricants &amp; Industrial Products\" \/>\n<meta property=\"og:description\" content=\"Removing as much old hydraulic fluid from the engine as possible is always the goal of an oil change! Numerous strategies enhance the amount of fluid that leaves the system. When changing hydraulic fluid, the goal is to remove as much of the old fluid as possible so that the new fluid is not contaminated. [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.bioblend.com\/fr\/how-to-drain-hydraulic-fluid\/\" \/>\n<meta property=\"og:site_name\" content=\"BioBlend Lubricants &amp; Industrial Products\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-17T21:50:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.bioblend.com\/wp-content\/uploads\/How-to-Drain-Hydraulic-Fluid.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"684\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimation du temps de lecture\" \/>\n\t<meta name=\"twitter:data1\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.bioblend.com\\\/how-to-drain-hydraulic-fluid\\\/\",\"url\":\"https:\\\/\\\/www.bioblend.com\\\/how-to-drain-hydraulic-fluid\\\/\",\"name\":\"How to Drain Hydraulic Fluid - BioBlend Lubricants &amp; Industrial Products\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.bioblend.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.bioblend.com\\\/how-to-drain-hydraulic-fluid\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.bioblend.com\\\/how-to-drain-hydraulic-fluid\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.bioblend.com\\\/wp-content\\\/uploads\\\/How-to-Drain-Hydraulic-Fluid.jpg\",\"datePublished\":\"2022-08-11T23:34:33+00:00\",\"dateModified\":\"2025-11-17T21:50:51+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.bioblend.com\\\/how-to-drain-hydraulic-fluid\\\/#breadcrumb\"},\"inLanguage\":\"fr-CA\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.bioblend.com\\\/how-to-drain-hydraulic-fluid\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-CA\",\"@id\":\"https:\\\/\\\/www.bioblend.com\\\/how-to-drain-hydraulic-fluid\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.bioblend.com\\\/wp-content\\\/uploads\\\/How-to-Drain-Hydraulic-Fluid.jpg\",\"contentUrl\":\"https:\\\/\\\/www.bioblend.com\\\/wp-content\\\/uploads\\\/How-to-Drain-Hydraulic-Fluid.jpg\",\"width\":1024,\"height\":684,\"caption\":\"draining a hydraulic fluid\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.bioblend.com\\\/how-to-drain-hydraulic-fluid\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.bioblend.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How to Drain Hydraulic Fluid\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.bioblend.com\\\/#website\",\"url\":\"https:\\\/\\\/www.bioblend.com\\\/\",\"name\":\"BioBlend Lubricants &amp; Industrial Products\",\"description\":\"Biodegradable Lubricants and Industrial Products for Environmental Synergy\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.bioblend.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-CA\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How to Drain Hydraulic Fluid - BioBlend Lubricants &amp; Industrial Products","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.bioblend.com\/fr\/how-to-drain-hydraulic-fluid\/","og_locale":"fr_CA","og_type":"article","og_title":"How to Drain Hydraulic Fluid - BioBlend Lubricants &amp; Industrial Products","og_description":"Removing as much old hydraulic fluid from the engine as possible is always the goal of an oil change! Numerous strategies enhance the amount of fluid that leaves the system. When changing hydraulic fluid, the goal is to remove as much of the old fluid as possible so that the new fluid is not contaminated. [&hellip;]","og_url":"https:\/\/www.bioblend.com\/fr\/how-to-drain-hydraulic-fluid\/","og_site_name":"BioBlend Lubricants &amp; Industrial Products","article_modified_time":"2025-11-17T21:50:51+00:00","og_image":[{"width":1024,"height":684,"url":"https:\/\/www.bioblend.com\/wp-content\/uploads\/How-to-Drain-Hydraulic-Fluid.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Estimation du temps de lecture":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.bioblend.com\/how-to-drain-hydraulic-fluid\/","url":"https:\/\/www.bioblend.com\/how-to-drain-hydraulic-fluid\/","name":"How to Drain Hydraulic Fluid - BioBlend Lubricants &amp; Industrial Products","isPartOf":{"@id":"https:\/\/www.bioblend.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.bioblend.com\/how-to-drain-hydraulic-fluid\/#primaryimage"},"image":{"@id":"https:\/\/www.bioblend.com\/how-to-drain-hydraulic-fluid\/#primaryimage"},"thumbnailUrl":"https:\/\/www.bioblend.com\/wp-content\/uploads\/How-to-Drain-Hydraulic-Fluid.jpg","datePublished":"2022-08-11T23:34:33+00:00","dateModified":"2025-11-17T21:50:51+00:00","breadcrumb":{"@id":"https:\/\/www.bioblend.com\/how-to-drain-hydraulic-fluid\/#breadcrumb"},"inLanguage":"fr-CA","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.bioblend.com\/how-to-drain-hydraulic-fluid\/"]}]},{"@type":"ImageObject","inLanguage":"fr-CA","@id":"https:\/\/www.bioblend.com\/how-to-drain-hydraulic-fluid\/#primaryimage","url":"https:\/\/www.bioblend.com\/wp-content\/uploads\/How-to-Drain-Hydraulic-Fluid.jpg","contentUrl":"https:\/\/www.bioblend.com\/wp-content\/uploads\/How-to-Drain-Hydraulic-Fluid.jpg","width":1024,"height":684,"caption":"draining a hydraulic fluid"},{"@type":"BreadcrumbList","@id":"https:\/\/www.bioblend.com\/how-to-drain-hydraulic-fluid\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.bioblend.com\/"},{"@type":"ListItem","position":2,"name":"How to Drain Hydraulic Fluid"}]},{"@type":"WebSite","@id":"https:\/\/www.bioblend.com\/#website","url":"https:\/\/www.bioblend.com\/","name":"Lubrifiants et produits industriels BioBlend","description":"Lubrifiants biod\u00e9gradables et produits industriels pour une synergie environnementale","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.bioblend.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-CA"}]}},"_links":{"self":[{"href":"https:\/\/www.bioblend.com\/fr\/wp-json\/wp\/v2\/pages\/3578","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bioblend.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bioblend.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bioblend.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bioblend.com\/fr\/wp-json\/wp\/v2\/comments?post=3578"}],"version-history":[{"count":0,"href":"https:\/\/www.bioblend.com\/fr\/wp-json\/wp\/v2\/pages\/3578\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bioblend.com\/fr\/wp-json\/wp\/v2\/media\/3579"}],"wp:attachment":[{"href":"https:\/\/www.bioblend.com\/fr\/wp-json\/wp\/v2\/media?parent=3578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}