davehummell Posted March 10, 2020 Share Posted March 10, 2020 I started the engine and let the oil get sloshed around in the trans and when i run the main in gear it allows some oil to come out of the shift tower where the ball socket and lever is. I don't think that little rubber dirt boot will hold back the oil i didn't have the boot on yet. I did not over fill the trans and i used 80-90 gear oil i didn't think you would need the synthetic 50w oil like is called for today's trans. Any ideas? Quote Link to comment https://www.bigmacktrucks.com/topic/61372-shifter/ Share on other sites More sharing options...
fjh Posted March 10, 2020 Share Posted March 10, 2020 (edited) CLEARIFY PLEASE! FULLER OR MACK! Fuller REQUIRES 50w! Also (either or trans ) You could have an internal air leak you need to address! Edited March 10, 2020 by fjh Quote Link to comment https://www.bigmacktrucks.com/topic/61372-shifter/#findComment-444958 Share on other sites More sharing options...
davehummell Posted March 10, 2020 Author Share Posted March 10, 2020 Old triplex and i found the problem someone didn't reinstall the coil spring all way back in the tabs that retain it in place on the shiftier base. 1 1 Quote Link to comment https://www.bigmacktrucks.com/topic/61372-shifter/#findComment-444969 Share on other sites More sharing options...
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