{"id":9025,"date":"2019-09-01T22:12:00","date_gmt":"2019-09-01T20:12:00","guid":{"rendered":"https:\/\/autoedu.info\/auto-mechanic\/brakes\/hydraulic-braking-system\/provera-curenja-vakuuma\/"},"modified":"2022-11-15T20:48:44","modified_gmt":"2022-11-15T19:48:44","slug":"checking-vacuum-leaks","status":"publish","type":"page","link":"https:\/\/autoedu.info\/en\/auto-mechanic\/brakes\/hydraulic-braking-system\/checking-vacuum-leaks\/","title":{"rendered":"Checking vacuum leaks from the power booster"},"content":{"rendered":"<div id=\"tdi_1\" class=\"tdc-row\"><div class=\"vc_row tdi_2  wpb_row td-pb-row\" >\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_2,\r\n                .tdi_2 .tdc-columns{\r\n                    min-height: 0;\r\n                }.tdi_2,\r\n\t\t\t\t.tdi_2 .tdc-columns{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_2 .tdc-columns{\r\n\t\t\t\t    width: 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\"display:inline-block;width:320px;height:100px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});<\/script>\n<noscript id=\"td-ad-placeholder\"><\/noscript><\/div>\n\n <!-- end A --> \n\n[vc_column_text]\r\n<h1 style=\"text-align: center;\"><strong>Checking vacuum leaks from the power booster<\/strong><\/h1>\r\nWhen it is determined that the engine provides the necessary vacuum for the operation of the power booster and the brake pedal is still hard, ie the driver must apply a higher force of foot pressure when braking, the vacuum leak from the power booster is checked. Vacuum leaks can affect the formation of the fuel\/air mixture and the operation of the engine. The vacuum leak on the power booster can be external or internal.[\/vc_column_text][vc_single_image image=&#8221;9028&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; tdc_css=&#8221;eyJhbGwiOnsibWFyZ2luLXRvcCI6IjAiLCJtYXJnaW4tYm90dG9tIjoiMCIsInBhZGRpbmctdG9wIjoiMCIsInBhZGRpbmctYm90dG9tIjoiMCIsImRpc3BsYXkiOiIifX0=&#8221; media_size_image_height=&#8221;200&#8243; media_size_image_width=&#8221;300&#8243; size=&#8221;contain&#8221; height=&#8221;40%&#8221;][vc_column_text css=&#8221;.vc_custom_1629121305536{margin-bottom: 0px !important;padding-top: 10px !important;padding-bottom: 0px !important;}&#8221;]First, check for external vacuum leaks. The engine is started and left to run for at least 10 seconds. The engine shuts off without depressing the brake pedal. After 10 minutes, depress the brake pedal (moderately firm pressure), paying attention to the free play and reserve travel. Then, with the same force, press the brake pedal a few more times. Each new pressure releases a vacuum from the power booster, which results in a firmer brake pedal. This behavior of the brake pedal is a sign that there is no external vacuum leak. If the pedal behaves differently then you need to check the power booster to the external vacuum leaks.\r\n\r\nThe places where external vacuum leakage can occur are rubber plug or valve for measuring the vacuum on the power booster, front or rear seals, the atmospheric valve on the back of the power booster, on the joints of the two halves of the power booster housing, or holes on the housing itself.\r\n\r\nChecking for internal vacuum leaks begins by starting the engine and let it run at idle. Then depress the brake pedal with firm pressure. Without moving the foot from the pedal, the engine is turned off and the behavior of the brake pedal is observed for about 1 minute. If the position of the pedal remains stable, there is no internal leakage. However, if the pedal is raised there is an internal leak in the diaphragm, control valve, or non-return valve.[\/vc_column_text]\n <!-- A generated by theme --> \n\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><div class=\"td-g-rec td-g-rec-id-sidebar tdi_6 td_block_template_1 \">\n\n<style>\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_6.td-a-rec{\r\n\t\t\t\t\ttext-align: center;\r\n\t\t\t\t}.tdi_6.td-a-rec:not(.td-a-rec-no-translate){\r\n\t\t\t\t    transform: translateZ(0);\r\n\t\t\t\t}.tdi_6 .td-element-style{\r\n\t\t\t\t\tz-index: -1;\r\n\t\t\t\t}.tdi_6.td-a-rec-img{\r\n\t\t\t\t    text-align: left;\r\n\t\t\t\t}.tdi_6.td-a-rec-img img{\r\n                    margin: 0 auto 0 0;\r\n                }.tdi_6 .td_spot_img_all img,\r\n\t\t\t\t.tdi_6 .td_spot_img_tl img,\r\n\t\t\t\t.tdi_6 .td_spot_img_tp img,\r\n\t\t\t\t.tdi_6 .td_spot_img_mob img{\r\n\t\t\t\t    border-style: none;\r\n\t\t\t\t}@media (max-width: 767px) 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       var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 768  && td_screen_width < 1019 ) {\r\n\t\t\t    \r\n\t\t\t        \/* portrait tablets *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:200px;height:200px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width < 768 ) {\r\n\t\t\t    \r\n\t\t\t        \/* Phones *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});<\/script>\n<noscript id=\"td-ad-placeholder\"><\/noscript><\/div>\n\n <!-- end A --> \n\n[vc_column_text css=&#8221;.vc_custom_1629121335685{margin-bottom: 0px !important;padding-bottom: 0px !important;}&#8221;]To checking vacuum leaks from the power booster, follow these steps:[\/vc_column_text]<div class=\"wpb_wrapper td_block_separator td_block_wrap vc_separator 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custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1546699675319{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_12{\r\n                    vertical-align: baseline;\r\n                }.tdi_12 .vc_column-inner > .wpb_wrapper,\r\n\t\t\t\t.tdi_12 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_12 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\" >[vc_single_image image=&#8221;1760&#8243; alignment=&#8221;center&#8221; onclick=&#8221;img_link_large&#8221; media_size_image_height=&#8221;169&#8243; media_size_image_width=&#8221;300&#8243; size=&#8221;&#8221; width=&#8221;100%&#8221; 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100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\" >[vc_column_text css=&#8221;.vc_custom_1629122706280{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}&#8221;]<strong><u><img decoding=\"async\" class=\"alignnone wp-image-904\" src=\"https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-1-480-300x300.png\" sizes=\"(max-width: 40px) 100vw, 40px\" srcset=\"https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-1-480-300x300.png 300w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-1-480-150x150.png 150w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-1-480-356x364.png 356w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-1-480.png 480w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-1-480-420x420.png 420w\" alt=\"\" width=\"40\" height=\"40\" align=\"absmiddle\" \/>Checking the external vacuum leaks\r\n<\/u><\/strong>\r\n\r\nStart the engine and switch it off after 10 s. After 10 minutes of standstill, depress and release the brake pedal several times. With each new press, the pedal should be firmer. If the pedal behaves differently, there is a leak and should be taken further testing.[\/vc_column_text]<\/div><\/div><\/div><\/div><div class=\"wpb_wrapper td_block_separator td_block_wrap vc_separator vc_custom_1547273226249 tdi_16  td_separator_solid td_separator_center\"><span style=\"border-color:orange;border-width:1px;width:100%;\"><\/span>\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547273226249{margin-top: 10px !important;margin-bottom: 10px !important;}\n<\/style><\/div><div class=\"vc_row_inner vc_custom_1547186073072 tdi_18  vc_row vc_inner wpb_row td-pb-row\" >\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547186073072{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_18{\r\n                    position: relative !important;\r\n                    top: 0;\r\n                    transform: none;\r\n                    -webkit-transform: none;\r\n                }.tdi_18,\r\n\t\t\t\t.tdi_18 .tdc-inner-columns{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_18 .tdc-inner-columns{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column_inner vc_custom_1546699675319 tdi_20  wpb_column vc_column_container tdc-inner-column td-pb-span4\">\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1546699675319{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_20{\r\n                    vertical-align: baseline;\r\n                }.tdi_20 .vc_column-inner > .wpb_wrapper,\r\n\t\t\t\t.tdi_20 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_20 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\" >[vc_single_image image=&#8221;1760&#8243; alignment=&#8221;center&#8221; onclick=&#8221;img_link_large&#8221; media_size_image_height=&#8221;169&#8243; media_size_image_width=&#8221;300&#8243; size=&#8221;&#8221; width=&#8221;100%&#8221; tdc_css=&#8221;eyJhbGwiOnsibWFyZ2luLXRvcCI6IjAiLCJtYXJnaW4tYm90dG9tIjoiMCIsInBhZGRpbmctdG9wIjoiMCIsInBhZGRpbmctYm90dG9tIjoiMCIsImRpc3BsYXkiOiIifX0=&#8221; height=&#8221;100%&#8221;]<\/div><\/div><\/div><div class=\"vc_column_inner vc_custom_1547277311732 tdi_22  wpb_column vc_column_container tdc-inner-column td-pb-span8\">\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547277311732{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_22{\r\n                    vertical-align: baseline;\r\n                }.tdi_22 .vc_column-inner > .wpb_wrapper,\r\n\t\t\t\t.tdi_22 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_22 .vc_column-inner > .wpb_wrapper .tdc-elements{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}\n<\/style><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\" >[vc_column_text css=&#8221;.vc_custom_1629122741270{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}&#8221;]<strong><u><img decoding=\"async\" class=\"alignnone wp-image-905\" src=\"https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-2-480-300x300.png\" sizes=\"(max-width: 40px) 100vw, 40px\" srcset=\"https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-2-480-300x300.png 300w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-2-480-150x150.png 150w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-2-480-356x364.png 356w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-2-480.png 480w, https:\/\/autoedu.info\/wp-content\/uploads\/2019\/01\/icons8-2-480-420x420.png 420w\" alt=\"\" width=\"40\" height=\"40\" align=\"absmiddle\" \/>Checking the internal vacuum leaks\r\n<\/u><\/strong>\r\n\r\nStart the engine and let it idle for 10 minutes. Depress the brake pedal firmly and switch off the engine without releasing it. Maintain foot pressure and observe pedal behavior for 1 minute. If the position is maintained, there are no leaks. If the pedal s raised, there is internal leakage and the need to take further tests.[\/vc_column_text]<\/div><\/div><\/div><\/div><div class=\"wpb_wrapper td_block_separator td_block_wrap vc_separator vc_custom_1547273226249 tdi_24  td_separator_solid td_separator_center\"><span style=\"border-color:orange;border-width:1px;width:100%;\"><\/span>\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* tdc_composer_block - inline css att *\/\n.vc_custom_1547273226249{margin-top: 10px !important;margin-bottom: 10px !important;}\n<\/style><\/div><\/div><\/div><div class=\"vc_column tdi_26  wpb_column vc_column_container tdc-column td-pb-span4\">\n<style scoped>\n\/* custom css - generated by TagDiv Composer *\/\n\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_26{\r\n                    vertical-align: baseline;\r\n                }.tdi_26 > .wpb_wrapper,\r\n\t\t\t\t.tdi_26 > .wpb_wrapper > .tdc-elements{\r\n\t\t\t\t    display: block;\r\n\t\t\t\t}.tdi_26 > .wpb_wrapper > .tdc-elements{\r\n\t\t\t\t    width: 100%;\r\n\t\t\t\t}.tdi_26 > .wpb_wrapper > .vc_row_inner{\r\n\t\t\t\t    width: auto;\r\n\t\t\t\t}.tdi_26 > .wpb_wrapper{\r\n\t\t\t\t    width: auto;\r\n\t\t\t\t    height: auto;\r\n\t\t\t\t}\n<\/style><div class=\"wpb_wrapper\" >\n <!-- A generated by theme --> \n\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><div class=\"td-g-rec td-g-rec-id-sidebar tdi_27 td_block_template_1 \">\n\n<style>\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_27.td-a-rec{\r\n\t\t\t\t\ttext-align: center;\r\n\t\t\t\t}.tdi_27.td-a-rec:not(.td-a-rec-no-translate){\r\n\t\t\t\t    transform: translateZ(0);\r\n\t\t\t\t}.tdi_27 .td-element-style{\r\n\t\t\t\t\tz-index: -1;\r\n\t\t\t\t}.tdi_27.td-a-rec-img{\r\n\t\t\t\t    text-align: left;\r\n\t\t\t\t}.tdi_27.td-a-rec-img img{\r\n                    margin: 0 auto 0 0;\r\n                }.tdi_27 .td_spot_img_all img,\r\n\t\t\t\t.tdi_27 .td_spot_img_tl img,\r\n\t\t\t\t.tdi_27 .td_spot_img_tp img,\r\n\t\t\t\t.tdi_27 .td_spot_img_mob img{\r\n\t\t\t\t    border-style: none;\r\n\t\t\t\t}@media (max-width: 767px) {\r\n\t\t\t\t    .tdi_27.td-a-rec-img {\r\n\t\t\t\t        text-align: center;\r\n\t\t\t\t    }\r\n                }\n<\/style><script type=\"text\/javascript\">\nvar td_screen_width = window.innerWidth;\nwindow.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 1140 ) {\r\n\t\t\t        \r\n\t\t\t        \/* large monitors *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 1019  && td_screen_width < 1140 ) {\r\n\t\t\t    \r\n\t\t\t        \/* landscape tablets *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 768  && td_screen_width < 1019 ) {\r\n\t\t\t    \r\n\t\t\t        \/* portrait tablets *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:200px;height:200px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width < 768 ) {\r\n\t\t\t    \r\n\t\t\t        \/* Phones *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});<\/script>\n<noscript id=\"td-ad-placeholder\"><\/noscript><\/div>\n\n <!-- end A --> \n\n[vc_column_text css=&#8221;.vc_custom_1629123164646{margin-bottom: 0px !important;padding-bottom: 0px !important;background-color: #000000 !important;}&#8221;]\r\n<p style=\"text-align: center;\"><span style=\"color: #ffffff;\">See also<\/span><\/p>\r\n[\/vc_column_text][vc_single_image image=&#8221;13613&#8243; img_size=&#8221;&#8221; alignment=&#8221;center&#8221; onclick=&#8221;custom_link&#8221; tdc_css=&#8221;eyJhbGwiOnsibWFyZ2luLXRvcCI6IjAiLCJtYXJnaW4tYm90dG9tIjoiMCIsInBhZGRpbmctdG9wIjoiMCIsInBhZGRpbmctYm90dG9tIjoiMCIsImRpc3BsYXkiOiIifX0=&#8221; media_size_image_height=&#8221;200&#8243; media_size_image_width=&#8221;300&#8243; image_url=&#8221;https:\/\/autoedu.info\/&#8221; size=&#8221;contain&#8221; height=&#8221;40%&#8221; link=&#8221;https:\/\/autoedu.info\/en\/auto-mechanic\/engine\/engine-mechanical-testing\/cylinder-power-balance-test\/ &#8220;][vc_single_image image=&#8221;13415&#8243; img_size=&#8221;&#8221; alignment=&#8221;center&#8221; onclick=&#8221;custom_link&#8221; tdc_css=&#8221;eyJhbGwiOnsibWFyZ2luLXRvcCI6IjAiLCJtYXJnaW4tYm90dG9tIjoiMCIsInBhZGRpbmctdG9wIjoiMCIsInBhZGRpbmctYm90dG9tIjoiMCIsImRpc3BsYXkiOiIifX0=&#8221; media_size_image_height=&#8221;200&#8243; media_size_image_width=&#8221;300&#8243; image_url=&#8221;https:\/\/autoedu.info\/&#8221; size=&#8221;contain&#8221; height=&#8221;40%&#8221; link=&#8221;https:\/\/autoedu.info\/en\/auto-electric\/battery\/battery-load-test\/&#8221;][vc_single_image image=&#8221;13487&#8243; img_size=&#8221;&#8221; alignment=&#8221;center&#8221; onclick=&#8221;custom_link&#8221; tdc_css=&#8221;eyJhbGwiOnsibWFyZ2luLXRvcCI6IjAiLCJtYXJnaW4tYm90dG9tIjoiMCIsInBhZGRpbmctdG9wIjoiMCIsInBhZGRpbmctYm90dG9tIjoiMCIsImRpc3BsYXkiOiIifX0=&#8221; media_size_image_height=&#8221;200&#8243; media_size_image_width=&#8221;300&#8243; image_url=&#8221;https:\/\/autoedu.info\/&#8221; size=&#8221;contain&#8221; height=&#8221;40%&#8221; link=&#8221;https:\/\/autoedu.info\/en\/autoelectronic\/sensors\/testing-an-oxygen-lambda-sensor\/ &#8220;]\n <!-- A generated by theme --> \n\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><div class=\"td-g-rec td-g-rec-id-sidebar tdi_28 td_block_template_1 \">\n\n<style>\n\/* custom css - generated by TagDiv Composer *\/\n.tdi_28.td-a-rec{\r\n\t\t\t\t\ttext-align: center;\r\n\t\t\t\t}.tdi_28.td-a-rec:not(.td-a-rec-no-translate){\r\n\t\t\t\t    transform: translateZ(0);\r\n\t\t\t\t}.tdi_28 .td-element-style{\r\n\t\t\t\t\tz-index: -1;\r\n\t\t\t\t}.tdi_28.td-a-rec-img{\r\n\t\t\t\t    text-align: left;\r\n\t\t\t\t}.tdi_28.td-a-rec-img img{\r\n                    margin: 0 auto 0 0;\r\n                }.tdi_28 .td_spot_img_all img,\r\n\t\t\t\t.tdi_28 .td_spot_img_tl img,\r\n\t\t\t\t.tdi_28 .td_spot_img_tp img,\r\n\t\t\t\t.tdi_28 .td_spot_img_mob img{\r\n\t\t\t\t    border-style: none;\r\n\t\t\t\t}@media (max-width: 767px) {\r\n\t\t\t\t    .tdi_28.td-a-rec-img {\r\n\t\t\t\t        text-align: center;\r\n\t\t\t\t    }\r\n                }\n<\/style><script type=\"text\/javascript\">\nvar td_screen_width = window.innerWidth;\nwindow.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 1140 ) {\r\n\t\t\t        \r\n\t\t\t        \/* large monitors *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 1019  && td_screen_width < 1140 ) {\r\n\t\t\t    \r\n\t\t\t        \/* landscape tablets *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width >= 768  && td_screen_width < 1019 ) {\r\n\t\t\t    \r\n\t\t\t        \/* portrait tablets *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:200px;height:200px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});window.addEventListener(\"load\", function(){            \r\n\t            var placeAdEl = document.getElementById(\"td-ad-placeholder\");\r\n\t\t\t    if ( null !== placeAdEl && td_screen_width < 768 ) {\r\n\t\t\t    \r\n\t\t\t        \/* Phones *\/\r\n\t\t\t        var adEl = document.createElement(\"ins\");\r\n\t\t            placeAdEl.replaceWith(adEl);\t\r\n\t\t            adEl.setAttribute(\"class\", \"adsbygoogle\");\r\n\t\t            adEl.setAttribute(\"style\", \"display:inline-block;width:300px;height:250px\");\t            \t\t                \r\n\t\t            adEl.setAttribute(\"data-ad-client\", \"ca-pub-8428072374152349\");\r\n\t\t            adEl.setAttribute(\"data-ad-slot\", \"9005325462\");\t            \r\n\t\t\t        (adsbygoogle = window.adsbygoogle || []).push({});\r\n\t\t\t    }\r\n\t\t\t});<\/script>\n<noscript id=\"td-ad-placeholder\"><\/noscript><\/div>\n\n <!-- end A --> \n\n[vc_column_text css=&#8221;.vc_custom_1629123188542{margin-bottom: 0px !important;padding-bottom: 0px !important;background-color: #000000 !important;}&#8221;]\r\n<p style=\"text-align: center;\"><span style=\"color: #ffffff;\">Video recommendation<\/span><\/p>\r\n[\/vc_column_text]\n <!-- A generated by theme --> \n\n<script async 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[...]","protected":false},"author":3,"featured_media":0,"parent":8751,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-9025","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Checking vacuum leaks from the power booster - AutoEdu - Procedure<\/title>\n<meta name=\"description\" content=\"When the engine provides the necessary vacuum and the brake pedal is still hard, the vacuum leak from the power booster is checked.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/autoedu.info\/en\/auto-mechanic\/brakes\/hydraulic-braking-system\/checking-vacuum-leaks\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Checking vacuum leaks from the power booster - 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