{"id":4722,"date":"2019-02-24T21:05:25","date_gmt":"2019-02-25T02:05:25","guid":{"rendered":"http:\/\/mikestrawbridge.com\/blog\/?p=4722"},"modified":"2019-04-02T21:15:14","modified_gmt":"2019-04-03T01:15:14","slug":"jeep-cherokee-engine-removal-and-teardown","status":"publish","type":"post","link":"http:\/\/mikestrawbridge.com\/blog\/2019\/02\/jeep-cherokee-engine-removal-and-teardown\/","title":{"rendered":"Jeep Cherokee Engine removal and teardown"},"content":{"rendered":"\n<p>I finally decided to pull my engine and give it a refresh. 450,000 miles.<\/p>\n\n\n\n<p>First I set the transmission on a jack and removed the cross member.<\/p>\n\n\n\n<p>Next I removed the drive shafts and the exhaust.<\/p>\n\n\n\n<p>Then I lowered the transmission slightly and removed the transfer case.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"148\" height=\"262\" src=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/transfer-case-out.jpg\" alt=\"\" class=\"wp-image-4723\"\/><\/figure>\n\n\n\n<!--more-->\n\n\n\n<p>Next I placed a transmission jack under the transmission and removed it from the engine.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"1082\" height=\"609\" src=\"https:\/\/i0.wp.com\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/transmissionout.jpg?fit=525%2C295\" alt=\"\" class=\"wp-image-4724\" srcset=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/transmissionout.jpg 1082w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/transmissionout-300x169.jpg 300w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/transmissionout-768x432.jpg 768w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/transmissionout-1024x576.jpg 1024w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p>I then removed and inspected the flex plate which I suspected was making noise.  It was cracked.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"370\" height=\"657\" src=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/flexplatecrack.jpg\" alt=\"\" class=\"wp-image-4725\" srcset=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/flexplatecrack.jpg 370w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/flexplatecrack-169x300.jpg 169w\" sizes=\"(max-width: 370px) 100vw, 370px\" \/><\/figure>\n\n\n\n<p>Then I disconnected all the wires and the other lines. I also removed the radiator and the fan to get a bit more room. I was not able to move the ac compressor out of the way so I had to disconnect the freon lines.  But I was able to remove the engine with the hood and header still in place.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"389\" height=\"219\" src=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/engineout.jpg\" alt=\"\" class=\"wp-image-4726\" srcset=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/engineout.jpg 389w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/engineout-300x169.jpg 300w\" sizes=\"(max-width: 389px) 100vw, 389px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"1080\" height=\"608\" src=\"https:\/\/i0.wp.com\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/emptyhood.jpg?fit=525%2C295\" alt=\"\" class=\"wp-image-4727\" srcset=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/emptyhood.jpg 1080w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/emptyhood-300x169.jpg 300w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/emptyhood-768x432.jpg 768w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/emptyhood-1024x576.jpg 1024w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p>I then mounted the engine on a stand. I used two of the bellhousing bolts and some threaded rod for the upper two bolts.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"995\" height=\"560\" src=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/engineonstand.jpg\" alt=\"\" class=\"wp-image-4728\" srcset=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/engineonstand.jpg 995w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/engineonstand-300x169.jpg 300w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/engineonstand-768x432.jpg 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p>I then removed the valve cover. I was surprised at the lack of sludge. I guess the castrol oil did pretty good.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"995\" height=\"560\" src=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/rockers.jpg\" alt=\"\" class=\"wp-image-4729\" srcset=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/rockers.jpg 995w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/rockers-300x169.jpg 300w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/rockers-768x432.jpg 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p>Next I removed the rockers and push rods.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"315\" height=\"560\" src=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/valves.jpg\" alt=\"\" class=\"wp-image-4730\" srcset=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/valves.jpg 315w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/valves-169x300.jpg 169w\" sizes=\"(max-width: 315px) 100vw, 315px\" \/><\/figure>\n\n\n\n<p>Then I pulled the head bolts. They were very difficult to break loose.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"995\" height=\"560\" src=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/headoff.jpg\" alt=\"\" class=\"wp-image-4731\" srcset=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/headoff.jpg 995w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/headoff-300x169.jpg 300w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/headoff-768x432.jpg 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p>There is quite a wear ridge on the cylinder bores. I will measure them before I decide whether to rebore or get another block.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"995\" height=\"560\" src=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/block.jpg\" alt=\"\" class=\"wp-image-4732\" srcset=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/block.jpg 995w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/block-300x169.jpg 300w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/block-768x432.jpg 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"995\" height=\"560\" src=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/bore.jpg\" alt=\"\" class=\"wp-image-4733\" srcset=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/bore.jpg 995w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/bore-300x169.jpg 300w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/bore-768x432.jpg 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p>Next I removed the oil pan.   I pulled the number one rod bearing cap to inspect.  The bearing looked surprisingly good for it age.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"343\" height=\"609\" src=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/bearingshell.jpg\" alt=\"\" class=\"wp-image-4734\" srcset=\"http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/bearingshell.jpg 343w, http:\/\/mikestrawbridge.com\/blog\/wp-content\/uploads\/2019\/02\/bearingshell-169x300.jpg 169w\" sizes=\"(max-width: 343px) 100vw, 343px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>I finally decided to pull my engine and give it a refresh. 450,000 miles. First I set the transmission on a jack and removed the cross member. Next I removed the drive shafts and the exhaust. Then I lowered the transmission slightly and removed the transfer case.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/mikestrawbridge.com\/blog\/wp-json\/wp\/v2\/posts\/4722"}],"collection":[{"href":"http:\/\/mikestrawbridge.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/mikestrawbridge.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/mikestrawbridge.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/mikestrawbridge.com\/blog\/wp-json\/wp\/v2\/comments?post=4722"}],"version-history":[{"count":2,"href":"http:\/\/mikestrawbridge.com\/blog\/wp-json\/wp\/v2\/posts\/4722\/revisions"}],"predecessor-version":[{"id":4814,"href":"http:\/\/mikestrawbridge.com\/blog\/wp-json\/wp\/v2\/posts\/4722\/revisions\/4814"}],"wp:attachment":[{"href":"http:\/\/mikestrawbridge.com\/blog\/wp-json\/wp\/v2\/media?parent=4722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mikestrawbridge.com\/blog\/wp-json\/wp\/v2\/categories?post=4722"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mikestrawbridge.com\/blog\/wp-json\/wp\/v2\/tags?post=4722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}