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Jeep Wrangler JK
JK General Discussion
Front crank seal? Easy mechanic job?
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<blockquote data-quote="Creston" data-source="post: 444796" data-attributes="member: 22510"><p>I own a shop. Id rather guarantee my work on a full engine or transmission swap than a damn seal. Your putting a new seal in an old housing around a worn/ rusted/ whatever metal shaft. Even an axle seal is bad. Id rather guarantee a re-gear than an axle seal. If you put in a ring and pinion and set the lash and mesh... the gear will be fine every time. If you meticulously put in a new seal it may seap from day one.</p><p></p><p>Now "spurting" is another thing. As far as damaging the crank? Is possible but to hurt a hardened crank you would pretty much have to take a chisel and hammer to it. No seal remover or pick could do it. It's possible but ive never seen it happen. Most likely IF the crank got hurt it happened getting the balancer off. They are stuck on there lol. So much in fact that they don't slip on the crank WITHOUT a key.</p><p></p><p>No shop has ever had 100% success on seals unless they did only one and got lucky and never took another seal job. Lol. A neighbor had his Ferrari engine pulled 2x for the same seal under warranty. The factory seal was damp. The next seal seaped. The third time it stayed dry. That was at a Ferrari dealer 3 hours from his home charging 200 an hour</p><p></p><p>I've never seen a factory bolt broke off in a crank. Maybe a cheap grade 3 tractor supply bolt but not a good bolt. Ive seen several hundred put in with the bolt. Usually silicone or grease and then use the bolt. I have several different installers. They work 3/4 of the time.</p></blockquote><p></p>
[QUOTE="Creston, post: 444796, member: 22510"] I own a shop. Id rather guarantee my work on a full engine or transmission swap than a damn seal. Your putting a new seal in an old housing around a worn/ rusted/ whatever metal shaft. Even an axle seal is bad. Id rather guarantee a re-gear than an axle seal. If you put in a ring and pinion and set the lash and mesh... the gear will be fine every time. If you meticulously put in a new seal it may seap from day one. Now "spurting" is another thing. As far as damaging the crank? Is possible but to hurt a hardened crank you would pretty much have to take a chisel and hammer to it. No seal remover or pick could do it. It's possible but ive never seen it happen. Most likely IF the crank got hurt it happened getting the balancer off. They are stuck on there lol. So much in fact that they don't slip on the crank WITHOUT a key. No shop has ever had 100% success on seals unless they did only one and got lucky and never took another seal job. Lol. A neighbor had his Ferrari engine pulled 2x for the same seal under warranty. The factory seal was damp. The next seal seaped. The third time it stayed dry. That was at a Ferrari dealer 3 hours from his home charging 200 an hour I've never seen a factory bolt broke off in a crank. Maybe a cheap grade 3 tractor supply bolt but not a good bolt. Ive seen several hundred put in with the bolt. Usually silicone or grease and then use the bolt. I have several different installers. They work 3/4 of the time. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Front crank seal? Easy mechanic job?
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