{"id":4390,"date":"2019-10-27T16:10:31","date_gmt":"2019-10-27T20:10:31","guid":{"rendered":"https:\/\/krissmotors.com\/XJ6\/?p=4390"},"modified":"2019-10-28T22:05:14","modified_gmt":"2019-10-29T02:05:14","slug":"door-locking","status":"publish","type":"post","link":"https:\/\/krissmotors.com\/XJ6\/2019\/10\/27\/door-locking\/","title":{"rendered":"Door latches and locks"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Topics<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a993b16ec0ca\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a993b16ec0ca\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/krissmotors.com\/XJ6\/2019\/10\/27\/door-locking\/#How_it_works\" >How it works<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/krissmotors.com\/XJ6\/2019\/10\/27\/door-locking\/#Striker_bar_hold\" >Striker bar hold<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/krissmotors.com\/XJ6\/2019\/10\/27\/door-locking\/#Lever_mechanism\" >Lever mechanism<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/krissmotors.com\/XJ6\/2019\/10\/27\/door-locking\/#Common_part_failure\" >Common part failure<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"How_it_works\"><\/span>How it works<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>XJ6 door latching and locking employs a rectangular block mounted on the outside of the door edge that latches onto a U-shaped striker bar screwed into to the opposing door frame. <\/p>\n<h4><span class=\"ez-toc-section\" id=\"Striker_bar_hold\"><\/span>Striker bar hold<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><a href=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/1-bar-lock.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/1-bar-lock-271x330.png\" alt=\"\" width=\"271\" height=\"330\" class=\"alignleft size-medium wp-image-4414\" srcset=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/1-bar-lock-271x330.png 271w, https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/1-bar-lock.png 738w\" sizes=\"auto, (max-width: 271px) 100vw, 271px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/2-bar-lock.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/2-bar-lock-269x330.png\" alt=\"\" width=\"271\" height=\"330\" class=\"alignleft size-medium wp-image-4415\" \/><\/a><\/p>\n<p><a href=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/3-bar-lock.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/3-bar-lock-271x330.png\" alt=\"\" width=\"271\" height=\"330\" class=\"alignleft size-medium wp-image-4416\" srcset=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/3-bar-lock-271x330.png 271w, https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/3-bar-lock.png 741w\" sizes=\"auto, (max-width: 271px) 100vw, 271px\" \/><\/a><\/p>\n<p>As the door is closed, the striker moves toward the latch inside the rectangular outside block. Impact against the latch causes it to rotate counter-clockwise, capturing the striker bar.<\/p>\n<p>When activated, a second lever moves up and forces the latch back into its original position, freeing the striker bar. <\/p>\n<p>The outside latch is controlled by a complex four-lever mechanism bolted inside the door shell; linkage rods connect the a) interior open lever, b) interior lock lever, c) exterior handle button, and d) exterior key lock cylinder.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Lever_mechanism\"><\/span>Lever mechanism<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><a href=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/lock-mechanism.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/lock-mechanism.png\" alt=\"\" width=\"582\" height=\"684\" class=\"aligncenter size-full wp-image-4394\" srcset=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/lock-mechanism.png 582w, https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/lock-mechanism-281x330.png 281w\" sizes=\"auto, (max-width: 582px) 100vw, 582px\" \/><\/a><\/p>\n<p>The mechanism levers are identified by their pivot points in the illustration above.<\/p>\n<ul>\n<li> <strong>1<\/strong> when the inside door lever is pulled, the arm moves down, allowing the pin to move up and release the door<\/li>\n<li> <strong>2<\/strong> when the inside lock is set, the arm moves up, shifting the lift tab away from the pin thus locking the door<\/li>\n<li> <strong>3A\/3B<\/strong> similar to (1), when the outside handle button is pressed, the arm moves down, and the door is released<\/li>\n<li> <strong>4<\/strong> similar to (2), when the outside cylinder lock is turned, the arm moves up, shifting the lift tab to lock the door<\/li>\n<\/ul>\n<p>All the action centers around the pin in the outside rectangular block (see orange circle with crosshair above) that manipulates a rotating catch.<\/p>\n<p>The following drawings (not to scale) illustrate how the lever mechanism works &#8230; really quite ingenious.<\/p>\n<p><a href=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/1-open.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/1-open.png\" alt=\"\" width=\"398\" height=\"542\" class=\"aligncenter size-full wp-image-4397\" srcset=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/1-open.png 398w, https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/1-open-242x330.png 242w\" sizes=\"auto, (max-width: 398px) 100vw, 398px\" \/><\/a><\/p>\n<p>When the door is opened and the outside handle button released or the inside control lever relaxed, a spring moves the pin up and that releases the rotating catch.<\/p>\n<p><a href=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/2-safety.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/2-safety.png\" alt=\"\" width=\"397\" height=\"541\" class=\"aligncenter size-full wp-image-4398\" srcset=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/2-safety.png 397w, https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/2-safety-242x330.png 242w\" sizes=\"auto, (max-width: 397px) 100vw, 397px\" \/><\/a><\/p>\n<p>A safety feature blocks locking unless the door is already latched (closed) or the outside handle button is first pressed before flipping the inside locking lever (a rather awkward movement, but a &#8220;feature&#8221; nevertheless). The primary logic of this safety blocking is to prevent the accidental locking of the front driver door (by inadvertently flipping the interior lock lever while exiting the car, for example, or by simply forgetting that keys were left in the car and not in a pocket or purse).<\/p>\n<p><a href=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/3-latched.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/3-latched.png\" alt=\"\" width=\"400\" height=\"543\" class=\"aligncenter size-full wp-image-4399\" srcset=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/3-latched.png 400w, https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/3-latched-243x330.png 243w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>When the door is closed (and it is therefore latched by the bar striker in the door frame), the pin is released and drops down via spring action. Pressing the outside handle button or moving the inside control lever will push the pin up and unlatch the door which can then be opened with a gentle push or pull.<\/p>\n<p><a href=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/4-unlatched.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/4-unlatched.png\" alt=\"\" width=\"404\" height=\"586\" class=\"aligncenter size-full wp-image-4400\" srcset=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/4-unlatched.png 404w, https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/4-unlatched-228x330.png 228w\" sizes=\"auto, (max-width: 404px) 100vw, 404px\" \/><\/a><\/p>\n<p>Turning the key (clockwise on the left and counter-clockwise on the right &#8230; well, it&#8217;s a Jaguar) or flipping the interior lock tilts the mechanism lever (3A\/3B) so that the tab can no longer push the pin up. <\/p>\n<p><a href=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/5-locked.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/5-locked.png\" alt=\"\" width=\"489\" height=\"614\" class=\"aligncenter size-full wp-image-4402\" srcset=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/5-locked.png 489w, https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/5-locked-263x330.png 263w\" sizes=\"auto, (max-width: 489px) 100vw, 489px\" \/><\/a><\/p>\n<p>When the door is locked, pressing the exterior door handle button has no effect.<\/p>\n<p><a href=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/6-locked.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/6-locked.png\" alt=\"\" width=\"393\" height=\"597\" class=\"aligncenter size-full wp-image-4403\" srcset=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/6-locked.png 393w, https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/6-locked-217x330.png 217w\" sizes=\"auto, (max-width: 393px) 100vw, 393px\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Common_part_failure\"><\/span>Common part failure<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div id=\"attachment_4409\" style=\"width: 340px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/Dorman-75455-clip.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4409\" src=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/Dorman-75455-clip-330x212.png\" alt=\"\" width=\"330\" height=\"212\" class=\"size-medium wp-image-4409\" srcset=\"https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/Dorman-75455-clip-330x212.png 330w, https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/Dorman-75455-clip-768x493.png 768w, https:\/\/krissmotors.com\/XJ6\/wp-content\/uploads\/Dorman-75455-clip.png 813w\" sizes=\"auto, (max-width: 330px) 100vw, 330px\" \/><\/a><p id=\"caption-attachment-4409\" class=\"wp-caption-text\">Dorman 75455 replacement clip<\/p><\/div>\n<p>A common part failure involves the linkage rods and the little clip (BD44650) that holds rods to various levers. <\/p>\n<p>The BD44650 clip was discontinued a few years ago, but an aftermarket alternative, Dorman 75455, works just as well. <\/p>\n<p>Frequently used doors and levers tend to have linkage clips wear out, especially since the gripping part is made of plastic. When the clip fails, the linkage rod will slip out of its position, causing locking and latching functions to fail.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How it works XJ6 door latching and locking employs a rectangular block mounted on the outside of the door edge that latches onto a U-shaped striker bar screwed into to the opposing door frame. Striker bar hold As the door is closed, the striker moves toward the latch inside the&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":4394,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[20],"tags":[],"class_list":["post-4390","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-interior"],"acf":[],"_links":{"self":[{"href":"https:\/\/krissmotors.com\/XJ6\/wp-json\/wp\/v2\/posts\/4390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/krissmotors.com\/XJ6\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/krissmotors.com\/XJ6\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/krissmotors.com\/XJ6\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/krissmotors.com\/XJ6\/wp-json\/wp\/v2\/comments?post=4390"}],"version-history":[{"count":9,"href":"https:\/\/krissmotors.com\/XJ6\/wp-json\/wp\/v2\/posts\/4390\/revisions"}],"predecessor-version":[{"id":4419,"href":"https:\/\/krissmotors.com\/XJ6\/wp-json\/wp\/v2\/posts\/4390\/revisions\/4419"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/krissmotors.com\/XJ6\/wp-json\/wp\/v2\/media\/4394"}],"wp:attachment":[{"href":"https:\/\/krissmotors.com\/XJ6\/wp-json\/wp\/v2\/media?parent=4390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/krissmotors.com\/XJ6\/wp-json\/wp\/v2\/categories?post=4390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/krissmotors.com\/XJ6\/wp-json\/wp\/v2\/tags?post=4390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}