{"id":32131,"date":"2016-07-13T13:16:10","date_gmt":"2016-07-13T18:16:10","guid":{"rendered":"http:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=32131"},"modified":"2016-07-13T13:16:10","modified_gmt":"2016-07-13T18:16:10","slug":"shift-interlock-1997-mercury-grand-marquis","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/07\/shift-interlock-1997-mercury-grand-marquis","title":{"rendered":"Shift Interlock 1997 Mercury Grand Marquis"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-35029\" src=\"\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/02\/1997-mercury-grand-marquis.jpg\" alt=\"1997 Mercury Grand Marquis\" width=\"564\" height=\"238\" srcset=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/02\/1997-mercury-grand-marquis.jpg 564w, https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/02\/1997-mercury-grand-marquis-300x127.jpg 300w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/>Have a master cylinder leak. Cant get the car our of park. Is there a safety or is it an unrelated issue?<\/p>\n<hr \/>\n<p>RESPONSE<\/p>\n<p>Unrelated issue. The park brake shift interlock switch is electronic and the brakes are hydraulic. A leak in the hydraulics will not affect the brake interlock switch.<\/p>\n<h4><span class=\"search_highlight\">Shift<\/span> <span class=\"search_highlight\">Interlock<\/span> System<\/h4>\n<p>The brake\/shifter interlock system op<span class=\"search_highlight\">erate<\/span>s as follows:<\/p>\n<ul type=\"disc\">\n<li>All vehicles use a brake <span class=\"search_highlight\">shift<\/span> interlock mechanism consisting of a <span class=\"search_highlight\">shift<\/span> lock actuator (3Z719) attached to the steering column tube (3514).<\/li>\n<li>This mechanism prevents shifting the transmission out of the PARK position unless the brake pedal (2455) is applied.<\/li>\n<li>When ignition switch is turned to the RUN position, the <span class=\"search_highlight\">shift<\/span> lock actuator is energized, locking shifter in PARK position.<\/li>\n<li>When brake pedal is applied and the stoplight switch (13480) is activated, the brake <span class=\"search_highlight\">shift<\/span> lock actuator is deactivated and the transmission range selector lever can be moved out of the PARK position.<\/li>\n<\/ul>\n<h4>Brake\/<span class=\"search_highlight\">Shift<\/span> <span class=\"search_highlight\">Interlock<\/span> System Cleaning and Inspection<\/h4>\n<ol start=\"1\">\n<li>Turn ignition switch to RUN.<\/li>\n<\/ol>\n<ol start=\"2\">\n<li>Verify that transmission range selector lever is in PARK.<\/li>\n<\/ol>\n<ol start=\"3\">\n<li>Without brake pedal applied, verify that transmission range selector lever cannot be shifted from PARK.<\/li>\n<\/ol>\n<ol start=\"4\">\n<li>Apply brake pedal. Verify that transmission range selector <span class=\"search_highlight\">lever<\/span> can be shifted from PARK.<\/li>\n<\/ol>\n<ol start=\"5\">\n<li><span class=\"search_highlight\">Shift<\/span> transmission range selector lever to REVERSE.<\/li>\n<\/ol>\n<ol start=\"6\">\n<li>Verify that ignition switch cannot be turned to the LOCK position.<\/li>\n<\/ol>\n<ol start=\"7\">\n<li><span class=\"search_highlight\">Shift<\/span> transmission range selector lever to PARK.<\/li>\n<\/ol>\n<ol start=\"8\">\n<li>Verify that ignition switch can be turned to the LOCK position.<\/li>\n<\/ol>\n<ol start=\"9\">\n<li>If <span class=\"search_highlight\">shift<\/span>-lock system is not operating as specified, refer to Diagnosis and Testing.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Have a master cylinder leak. Cant get the car our of park. Is there a safety or is it an unrelated issue? RESPONSE Unrelated issue. The park brake shift interlock switch is electronic and the brakes are hydraulic. A leak in the hydraulics will not affect the brake interlock switch. Shift Interlock System The brake\/shifter&hellip;&nbsp;<a href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/07\/shift-interlock-1997-mercury-grand-marquis\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Shift Interlock 1997 Mercury Grand Marquis<\/span><\/a><\/p>\n","protected":false},"author":12888,"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":[7,1],"tags":[447,10682],"class_list":["post-32131","post","type-post","status-publish","format-standard","hentry","category-mercury","category-auto-repair-questions","tag-grand-marquis","tag-shift-interlock"],"_links":{"self":[{"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/posts\/32131","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/users\/12888"}],"replies":[{"embeddable":true,"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/comments?post=32131"}],"version-history":[{"count":0,"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/posts\/32131\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/media?parent=32131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/categories?post=32131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-json\/wp\/v2\/tags?post=32131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}