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Tech & Fab
Zuk Based JHF/Goatbuilt Buggy
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<blockquote data-quote="LightBnDr" data-source="post: 732063" data-attributes="member: 9031"><p>Mm yummy </p><p></p><p>I always loved 4l80s. They are a great trans. The only kicker with them was if they had the slightest pressure leak they'd burn to the ground. So keeping them tight was the key then you could get 50k out of em. </p><p></p><p>I'm guessing you're gonna rebuild. Fresh o rings in all the accumulators is super important and molded steel pistons especially in that direct clutch housing is a must. </p><p></p><p>Then when you put it back together turn the pressure control solenoid up 1/4 turn. Little torx head on the back of the solenoid. </p><p></p><p>I forgot to add, absolutely put new seals on the center support and the input shaft. The center support is what supplies the direct drum with fluid pressure. The pump slides down over the input, well the top 2 then bottom 2 slide into the overrun. </p><p></p><p>You'll be set man!</p></blockquote><p></p>
[QUOTE="LightBnDr, post: 732063, member: 9031"] Mm yummy I always loved 4l80s. They are a great trans. The only kicker with them was if they had the slightest pressure leak they'd burn to the ground. So keeping them tight was the key then you could get 50k out of em. I'm guessing you're gonna rebuild. Fresh o rings in all the accumulators is super important and molded steel pistons especially in that direct clutch housing is a must. Then when you put it back together turn the pressure control solenoid up 1/4 turn. Little torx head on the back of the solenoid. I forgot to add, absolutely put new seals on the center support and the input shaft. The center support is what supplies the direct drum with fluid pressure. The pump slides down over the input, well the top 2 then bottom 2 slide into the overrun. You'll be set man! [/QUOTE]
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