Kevin Taylor Posted August 22, 2022 Share Posted August 22, 2022 Is there a safety feature on my truck that disengages the axles before they break? And if so, how do I reset them? About a month ago I thought I'd broken an axle coming out of the query because I heard a loud snap and when I tried to put it in gear it wouldn't engage. I pulled all 4 axles out and none were broken. I put them back in and everything was back to normal. Today, the same thing happened and 'm hoping I can reset it without having to pull the axles again. Please Help! #2009MackGU713-MP7 Quote Link to comment https://www.bigmacktrucks.com/topic/70330-2009-mack-gu713/ Share on other sites More sharing options...
james j neiweem Posted August 22, 2022 Share Posted August 22, 2022 What is the next weak link after the axles? Gear teeth? Quote Link to comment https://www.bigmacktrucks.com/topic/70330-2009-mack-gu713/#findComment-507188 Share on other sites More sharing options...
Dirtymilkman Posted August 22, 2022 Share Posted August 22, 2022 Did u engage the power divider and try to move afterwards? Quote Link to comment https://www.bigmacktrucks.com/topic/70330-2009-mack-gu713/#findComment-507203 Share on other sites More sharing options...
Kevin Taylor Posted August 23, 2022 Author Share Posted August 23, 2022 21 minutes ago, Dirtymilkman said: Did u engage the power divider and try to move afterwards? Yes, when I engage the power divider the truck moves but not without it. Quote Link to comment https://www.bigmacktrucks.com/topic/70330-2009-mack-gu713/#findComment-507205 Share on other sites More sharing options...
Joey Mack Posted August 23, 2022 Share Posted August 23, 2022 (edited) Mack rears??? If so .. peanuts in the front one.. inside the power divider,,, is possible,, The last one I did with the same issue, 3 months ago, had blown gears in the top reduction on the front drive.. (The Bevel Gears)... pull the side cover and look, the oil drain is on the back, at 7 O'Clock... 9/16" square plug, or if you have a temp sensor, that will be the drain plug.. jojo Edited August 23, 2022 by Joey Mack poor sperring.. Quote Link to comment https://www.bigmacktrucks.com/topic/70330-2009-mack-gu713/#findComment-507208 Share on other sites More sharing options...
Dirtymilkman Posted August 23, 2022 Share Posted August 23, 2022 Yeah.....it doesn't sound promising. Quote Link to comment https://www.bigmacktrucks.com/topic/70330-2009-mack-gu713/#findComment-507212 Share on other sites More sharing options...
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