ivanuke Posted June 23, 2019 Share Posted June 23, 2019 (edited) Hey guys, I have a 2005 CHN613 with a Maxitroque 13 speed. When using the splitter I'm able to get into high gear, but when I go back down the splitter doesnt activate. I have to press harder on the splitter for it to engage. I believe It needs to be replaced. I was able to remove the single 11/16 nut on the shifter knob and remove it, but i'm not quite sure how to fully open it and remove the lines and inspect it maybe I can fix on my own. If theres any advice on how to properly remove the shifter knob Id appreciate it! Thank you. Here is a link to the type of shifter I have. This listing says 18 speed but I have a 13 speed. https://www.ebay.com/p/Mack-18-Speed-Transmission-Shift-Knob-T2180-20qe3336a-3767/10013726229 Edited June 23, 2019 by ivanuke Quote Link to comment Share on other sites More sharing options...
Mack Technician Posted June 23, 2019 Share Posted June 23, 2019 Get an 18 speed knob and your trans will become an 18 speed. The 13 just has a block pin in it to stop you from splitting low. Sales pitch...kinda lame they did that. The lines have push-pull sleeves. In other words if you push the ring in and pull line it will pop out. You must not have any air pressure or the line won’t want to release. They are like the shark bite pex fittings. 1 Quote Link to comment Share on other sites More sharing options...
Rob Posted June 23, 2019 Share Posted June 23, 2019 Don't think I've ever seen one of those rebuilt myself. Everybody readily converts to the 18 speed. My PAI book doesn't show a rebuild kit available through them. Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment Share on other sites More sharing options...
1965 Posted June 23, 2019 Share Posted June 23, 2019 2 minutes ago, Mack Technician said: Get an 18 speed knob and your trans will become an 18 speed. The 13 just has a block pin in it to stop you from splitting low. Sales pitch...kinda lame they did that. The lines have push-pull sleeves. In other words if you push the ring in and pull line it will pop out. You must not have any air pressure or the line won’t want to release. They are like the shark bite pex fittings. If I remember right! The red split button is 13sp & the gray 1 is 18sp. The transmission’s are the same! 1 Quote Link to comment Share on other sites More sharing options...
Rob Posted June 23, 2019 Share Posted June 23, 2019 You remember correctly. Same colors Fuller uses. Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment Share on other sites More sharing options...
1965 Posted June 23, 2019 Share Posted June 23, 2019 Knowing volvo group, the 18sp will probably cost more!! But the 13 just needs a tab cut off & it'll work the same Quote Link to comment Share on other sites More sharing options...
Dirtymilkman Posted June 25, 2019 Share Posted June 25, 2019 Buy the knob from PAI. They're about $100 cheaper. You can buy an Eaton knob for about $35 but I don't know if they'd interchange. Quote Link to comment Share on other sites More sharing options...
Jersey Posted July 23, 2020 Share Posted July 23, 2020 Have a 2015 ch613 maxitoroue trans n knob does anyone make a 4-6 inch extension and a aftermarket knob Quote Link to comment Share on other sites More sharing options...
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