{"id":77360,"date":"2021-04-30T11:18:03","date_gmt":"2021-04-30T18:18:03","guid":{"rendered":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=77360"},"modified":"2021-04-30T11:18:12","modified_gmt":"2021-04-30T18:18:12","slug":"transmission-shift-delays-after-warm","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2021\/04\/transmission-shift-delays-after-warm","title":{"rendered":"Transmission shift delays after warm"},"content":{"rendered":"\n<p>I have a 1994 Jeep Grand Cherokee Laredo 4&#215;4 4.0L 6cyl with 169+k miles. Automatic transmission failure in Nov. 2020. Repaired. Failed again within the hour out of shop. Replaced with comparative milage, tested used tranny December 2020. Minimal in-town driving since due to disability. Open highway distance driving yesterday. Failed again within an hour. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-transmission-temperature-is-high\">Transmission Temperature is High<\/h3>\n\n\n\n<p>Symptoms always the same: sensing minor shift delays after vehicle warms up to 200\u00b0 range, high RPMs on open highway, vehicle refuses to move once stopped for traffic signs\/lights, requires shutting down engine to cool off before tranny will re-engage to &#8216;limp&#8217; a short distance before failing again. Works fine after vehicle fully cooled. Tranny fluid checks full &amp; clean. Thermostat changed in Dec. No evidence of built-in radiator\/tranny oil coolant leakage. I suspect either a tranny electrical problem or failure of the built-in tranny oil cooler. Considering having external mounted tranny oil cooler with fan installed because this consistently seems to be a heat-induced problem. IDK if it matters, but the part-time 4WD is only rarely engaged, works fine when used &amp; has not been tested during any failure. Your thoughts please?<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>The first thing I would is look at the transmission fluid color. If the color is fresh and clean without a burnt smell I would lean toward an electrical cause over mechanical. <a href=\"https:\/\/www.freeautomechanic.com\/transmission-temperature.html\">Transmission Temperature<\/a> can cause some serious damage.  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>I have a 1994 Jeep Grand Cherokee Laredo 4&#215;4 4.0L 6cyl with 169+k miles. Automatic transmission failure in Nov. 2020. Repaired. Failed again within the hour out of shop. Replaced with comparative milage, tested used tranny December 2020. Minimal in-town driving since due to disability. Open highway distance driving yesterday. Failed again within an hour.&hellip;&nbsp;<a href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2021\/04\/transmission-shift-delays-after-warm\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Transmission shift delays after warm<\/span><\/a><\/p>\n","protected":false},"author":16824,"featured_media":34600,"comment_status":"open","ping_status":"open","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":[1,34],"tags":[],"class_list":["post-77360","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-auto-repair-questions","category-jeep"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Transmission shift delays after warm - FreeAutoMechanic Advice<\/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.freeautomechanic.com\/mechanic\/forum\/2021\/04\/transmission-shift-delays-after-warm\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Transmission shift delays after warm\" \/>\n<meta property=\"og:description\" content=\"I have a 1994 Jeep Grand Cherokee Laredo 4&#215;4 4.0L 6cyl with 169+k miles. Automatic transmission failure in Nov. 2020. Repaired. Failed again within the hour out of shop. Replaced with comparative milage, tested used tranny December 2020. Minimal in-town driving since due to disability. Open highway distance driving yesterday. 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Automatic transmission failure in Nov. 2020. Repaired. Failed again within the hour out of shop. Replaced with comparative milage, tested used tranny December 2020. Minimal in-town driving since due to disability. Open highway distance driving yesterday. 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