wacatak Posted January 20, 2015 Share Posted January 20, 2015 Im needing a new shifter knob for my 12 spd maxitorque anyone know where I can get a new one besides through Mack. Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/38520-12-spd-maxitorque-shifter-knob/ Share on other sites More sharing options...
gearhead204 Posted January 20, 2015 Share Posted January 20, 2015 I think PAI offers one Quote Link to comment https://www.bigmacktrucks.com/topic/38520-12-spd-maxitorque-shifter-knob/#findComment-275122 Share on other sites More sharing options...
kscarbel2 Posted January 20, 2015 Share Posted January 20, 2015 If your shift knob is leaking air, you can rebuild it with a Mack 14RC1131 shift knob repair kit. Quote Link to comment https://www.bigmacktrucks.com/topic/38520-12-spd-maxitorque-shifter-knob/#findComment-275129 Share on other sites More sharing options...
wacatak Posted January 20, 2015 Author Share Posted January 20, 2015 ive replaced the O-rings once but it blows the top one out in the same spot every time so I figured it was wore out. Quote Link to comment https://www.bigmacktrucks.com/topic/38520-12-spd-maxitorque-shifter-knob/#findComment-275131 Share on other sites More sharing options...
mrsmackpaul Posted January 20, 2015 Share Posted January 20, 2015 are you sure the air pressure regulator on the box is set right ?should be only around 50 - 60 psi in therePaul Quote Link to comment https://www.bigmacktrucks.com/topic/38520-12-spd-maxitorque-shifter-knob/#findComment-275168 Share on other sites More sharing options...
e9500v8 Posted January 21, 2015 Share Posted January 21, 2015 Mine is doing the same thing ! I think the inner bore of the shifter is wore out ! Quote Link to comment https://www.bigmacktrucks.com/topic/38520-12-spd-maxitorque-shifter-knob/#findComment-275204 Share on other sites More sharing options...
alex g Posted January 21, 2015 Share Posted January 21, 2015 I think I have what your looking for and I also have some 12 speed trans parts PM me with a offer on it if its what you need Quote Link to comment https://www.bigmacktrucks.com/topic/38520-12-spd-maxitorque-shifter-knob/#findComment-275320 Share on other sites More sharing options...
e9500v8 Posted January 23, 2015 Share Posted January 23, 2015 What is part number for regulater on 12 speed ? Quote Link to comment https://www.bigmacktrucks.com/topic/38520-12-spd-maxitorque-shifter-knob/#findComment-275524 Share on other sites More sharing options...
mrsmackpaul Posted January 23, 2015 Share Posted January 23, 2015 mate in Australia I just went to a hyraulic place and asked for a air regulator set at I think its 60 psi and out it camebut first I would check it connect a air gauge up to the side that goes up to the gear knob and see what the air pressure isPaul Quote Link to comment https://www.bigmacktrucks.com/topic/38520-12-spd-maxitorque-shifter-knob/#findComment-275525 Share on other sites More sharing options...
j hancock Posted January 24, 2015 Share Posted January 24, 2015 What is part number for regulater on 12 speed ?Don't have a Mack # handy but Fleetpride 16743 is a pres. reducing valve.Edit. Mack 20QE2119p2 or PAI 56370 should be the one. 1 Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/38520-12-spd-maxitorque-shifter-knob/#findComment-275713 Share on other sites More sharing options...
e9500v8 Posted January 25, 2015 Share Posted January 25, 2015 thanksDon't have a Mack # handy but Fleetpride 16743 is a pres. reducing valve.Edit. Mack 20QE2119p2 or PAI 56370 should be the one. Quote Link to comment https://www.bigmacktrucks.com/topic/38520-12-spd-maxitorque-shifter-knob/#findComment-275984 Share on other sites More sharing options...
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