joshrichard Posted February 25, 2019 Share Posted February 25, 2019 When I put my truck into 4wd the orange 4wd light starts blinking. I have manual hubs and don’t remember that happening before installing. It only started today and hasn’t done it and I’ve had manual hubs on since December and used 4wd a lot since, any ideas or what’s going on? Link to comment Share on other sites More sharing options...
PathyDude17 Posted February 25, 2019 Share Posted February 25, 2019 17 minutes ago, joshrichard said: When I put my truck into 4wd the orange 4wd light starts blinking. I have manual hubs and don’t remember that happening before installing. It only started today and hasn’t done it and I’ve had manual hubs on since December and used 4wd a lot since, any ideas or what’s going on? Ya I’d say that’s not normal. Have you looked in an FSM for any diagnostic information? 1 Link to comment Share on other sites More sharing options...
02_Pathy Posted February 25, 2019 Share Posted February 25, 2019 When I put my truck into 4wd the orange 4wd light starts blinking. I have manual hubs and don’t remember that happening before installing. It only started today and hasn’t done it and I’ve had manual hubs on since December and used 4wd a lot since, any ideas or what’s going on?I know on some rigs the 4wd light will be on if you're driving around in 2wd with the hubs unlocked, it's just the computer sensing something wrong because the front end isn't rotating. But since it's on in 4wd it might be a little different. Did you make sure that the hubs are fully locked when switching to 4wd? They might've not fully engaged when you switched to 4wd perhaps, just my perspective on how I see it but maybe someone has the answer.Sent from my SM-G960U using Tapatalk Link to comment Share on other sites More sharing options...
joshrichard Posted February 25, 2019 Author Share Posted February 25, 2019 I know on some rigs the 4wd light will be on if you're driving around in 2wd with the hubs unlocked, it's just the computer sensing something wrong because the front end isn't rotating. But since it's on in 4wd it might be a little different. Did you make sure that the hubs are fully locked when switching to 4wd? They might've not fully engaged when you switched to 4wd perhaps, just my perspective on how I see it but maybe someone has the answer.It’s weird because everything works fine, I went up on some slippery rocks I knew I would slide on and the front wheels were spinning so everything is working Link to comment Share on other sites More sharing options...
onespiritbrain Posted February 25, 2019 Share Posted February 25, 2019 There is a self diagnosis function you should probably do. Do you have a FSM for your model? Link to comment Share on other sites More sharing options...
02_Pathy Posted February 25, 2019 Share Posted February 25, 2019 It’s weird because everything works fine, I went up on some slippery rocks I knew I would slide on and the front wheels were spinning so everything is workingWhen was the last time you checked your fluid level in the T case? That might have to do something with the light blinking. I would check that and put some fluid in the fill hole till it comes out. It could be lowSent from my SM-G960U using Tapatalk Link to comment Share on other sites More sharing options...
joshrichard Posted February 25, 2019 Author Share Posted February 25, 2019 There is a self diagnosis function you should probably do. Do you have a FSM for your model?I read it earlier very quickly and it said 1 second intervals was overheating and 2 second intervals (what I’m getting) was difference in tire diameter which would make sense because I have bigger tires and that’s what it was doing but it’s not an all the time thing, it’s only when the center differential is locked so not while in the auto mode because I have the all mode dial shifter. I can live with the light and the 2 second intervals sounds like it answers my question but I was just wondering if others had encountered this problem because I had never heard about this besides some people having problems with the light coming on during long highway driving. Link to comment Share on other sites More sharing options...
joshrichard Posted February 25, 2019 Author Share Posted February 25, 2019 When was the last time you checked your fluid level in the T case? That might have to do something with the light blinking. I would check that and put some fluid in the fill hole till it comes out. It could be lowI have never changed it and will change it. Do you know what fluid it takes? Link to comment Share on other sites More sharing options...
02_Pathy Posted February 25, 2019 Share Posted February 25, 2019 I have never changed it and will change it. Do you know what fluid it takes?Just ATF, same as the transmission Sent from my SM-G960U using Tapatalk Link to comment Share on other sites More sharing options...
joshrichard Posted February 25, 2019 Author Share Posted February 25, 2019 Just ATF, same as the transmission Sent from my SM-G960U using TapatalkOkay, and I’m going to need to a buy a pump for this because IIRC the fill plug is in an awkward position, right? Link to comment Share on other sites More sharing options...
02_Pathy Posted February 25, 2019 Share Posted February 25, 2019 Okay, and I’m going to need to a buy a pump for this because IIRC the fill plug is in an awkward position, right?Yeah you're gonna need the hand pump to fill up the t case, that's what I used Sent from my SM-G960U using Tapatalk 1 Link to comment Share on other sites More sharing options...
joshrichard Posted February 25, 2019 Author Share Posted February 25, 2019 Today when I started it up the 4wd light started blinking for 1 second intervals for 5 mins on the drive to school then stopped right before I pulled into the parking lot... weird Link to comment Share on other sites More sharing options...
Bax03SE Posted February 25, 2019 Share Posted February 25, 2019 Did you say if it’s doing this with or without the hubs locked? Or both? If it was related to the manual hubs, then it should only happen when they are unlocked because when the hubs are locked it is no different than the stock configuration. Link to comment Share on other sites More sharing options...
joshrichard Posted February 25, 2019 Author Share Posted February 25, 2019 Did you say if it’s doing this with or without the hubs locked? Or both? If it was related to the manual hubs, then it should only happen when they are unlocked because when the hubs are locked it is no different than the stock configuration. The first blinking was when hubs were locked and the truck was in 4wd. Real 4wd, not the auto feature. This morning was unlocked and it stopped blinking soon after Link to comment Share on other sites More sharing options...
Bax03SE Posted February 25, 2019 Share Posted February 25, 2019 I guess if I’d read the title better I’d have realized you were already in 4wd with the hubs locked! Like I said, if that’s the case then it shouldn’t have anything to do with the manual hubs. I agree with starting with a fluid change because that’s a good maintenance step regardless. 1 Link to comment Share on other sites More sharing options...
joshrichard Posted March 9, 2019 Author Share Posted March 9, 2019 Totally forgot to update this thread. I changed the transfer oil and the light stopped blinking! 3 Link to comment Share on other sites More sharing options...
Bax03SE Posted March 9, 2019 Share Posted March 9, 2019 1 hour ago, joshrichard said: Totally forgot to update this thread. I changed the transfer oil and the light stopped blinking! Nice! 1 Link to comment Share on other sites More sharing options...
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