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Tech & Fab
FJ80 axle help, newb knuckle rebuild.
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<blockquote data-quote="TacomaJD" data-source="post: 297730" data-attributes="member: 1780"><p>Got a little leaking going on with the FJ80 front axle under my rig and I've been researching and thinking about doing an overhaul on it and replace all the seals/gaskets. I imagine the inner axle seals are ****, because it's leaking gear oil from around the back of the knuckle around the ball and also comes out around the drive flange dust cap after a good day's worth of wheeling. I think I've figured out how to do the most of it just from Youtube vids and several hours of reading on the web, but I have one question right off the bat and I'm sure more will be to come when I finally decide to order parts and do this.</p><p></p><p>#1 When ordering a Knuckle rebuild kit such as the one offered from Marlin Crawler or Trail Gear, <u><strong>are all the specs / bolt holes / pattern is the same for the Hellfire Fabworks Knuckles that's on my truck as the stock knuckles would be?</strong></u> (obviously steering arm stuff is different, not concerned about that). Just want to make sure if I order a Knuckle rebuild kit and/or Trail Gear's Rock Ring / Wiper Seal kit, it should all fit up with the Hellfire Knuckles on my axle just like stock FJ80 knuckles. There's not a whole lot of literature on the Hellfire Knuckles on the web.</p><p></p><p>Some of my questions now and in the future may sound dumb, but I have absolutely zero experience about working on axle related ****. This would be my first venture rebuilding something without the help of anyone or someone else doing it, so as usual I want to make sure I got everything straight and know what's up, before I start ordering parts and ripping stuff apart. </p><p></p><p>Here are links to things I may end up buying and am concerned about whether or not they will fit my Hellfire Knuckles problem-free. Thanks!</p><p></p><p>Marlin Crawler Knuckle Service Kit</p><p><a href="http://www.marlincrawler.com/axle/front-axle-parts/front-service-parts/service-front-fj80/knuckle-gasket-seal-kit" target="_blank">http://www.marlincrawler.com/axle/front-axle-parts/front-service-parts/service-front-fj80/knuckle-gasket-seal-kit</a></p><p></p><p>Scroll down to Trail Safe Knuckle Ball Wiper Seal Kit. If I order this, I will just order the Inner EcoSeals from Marlin Crawler, as I've read they are the best? </p><p><a href="http://www.trail-gear.com/knuckle-service" target="_blank">http://www.trail-gear.com/knuckle-service</a></p><p></p><p></p><p></p><p></p><p>Edit: Useful info is in the last page or two of this thread, with pics and links</p></blockquote><p></p>
[QUOTE="TacomaJD, post: 297730, member: 1780"] Got a little leaking going on with the FJ80 front axle under my rig and I've been researching and thinking about doing an overhaul on it and replace all the seals/gaskets. I imagine the inner axle seals are ****, because it's leaking gear oil from around the back of the knuckle around the ball and also comes out around the drive flange dust cap after a good day's worth of wheeling. I think I've figured out how to do the most of it just from Youtube vids and several hours of reading on the web, but I have one question right off the bat and I'm sure more will be to come when I finally decide to order parts and do this. #1 When ordering a Knuckle rebuild kit such as the one offered from Marlin Crawler or Trail Gear, [u][b]are all the specs / bolt holes / pattern is the same for the Hellfire Fabworks Knuckles that's on my truck as the stock knuckles would be?[/b][/u] (obviously steering arm stuff is different, not concerned about that). Just want to make sure if I order a Knuckle rebuild kit and/or Trail Gear's Rock Ring / Wiper Seal kit, it should all fit up with the Hellfire Knuckles on my axle just like stock FJ80 knuckles. There's not a whole lot of literature on the Hellfire Knuckles on the web. Some of my questions now and in the future may sound dumb, but I have absolutely zero experience about working on axle related ****. This would be my first venture rebuilding something without the help of anyone or someone else doing it, so as usual I want to make sure I got everything straight and know what's up, before I start ordering parts and ripping stuff apart. Here are links to things I may end up buying and am concerned about whether or not they will fit my Hellfire Knuckles problem-free. Thanks! Marlin Crawler Knuckle Service Kit [url=http://www.marlincrawler.com/axle/front-axle-parts/front-service-parts/service-front-fj80/knuckle-gasket-seal-kit]http://www.marlincrawler.com/axle/front-axle-parts/front-service-parts/service-front-fj80/knuckle-gasket-seal-kit[/url] Scroll down to Trail Safe Knuckle Ball Wiper Seal Kit. If I order this, I will just order the Inner EcoSeals from Marlin Crawler, as I’ve read they are the best? [url=http://www.trail-gear.com/knuckle-service]http://www.trail-gear.com/knuckle-service[/url] Edit: Useful info is in the last page or two of this thread, with pics and links [/QUOTE]
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