michael c Posted August 5, 2012 Share Posted August 5, 2012 Having problems with a t2070 7 spd. Transmission dosnt want to shift from hi to lo well. It will shift lo to hi easy when you get it there. Replaced shift control on shifter and vlave on tranny. Transmission has a pto neutral switch on the dash that will cut the tranny into neutral. If you fiddle with it it will shift to lo. Need an air system diagram for the switch to try and frind the problem. Quote Link to comment https://www.bigmacktrucks.com/topic/26637-t2070/ Share on other sites More sharing options...
burnstransport Posted August 5, 2012 Share Posted August 5, 2012 The 93 DM I drive with same trans does the exact same thing. I've found that working the hi-low switch rapidly up and down a few times usually gets it there. Only takes a couple extra seconds. I've been told "they all do it". I would stay clear of that PTO switch, never know what they're gonna be hooked up to. Quote Link to comment https://www.bigmacktrucks.com/topic/26637-t2070/#findComment-132274 Share on other sites More sharing options...
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