Geoff Weeks Posted Friday at 05:07 PM Share Posted Friday at 05:07 PM 1 hour ago, nbone28 said: The problem is now the trailer air supply (red button) won’t stay pushed in. It just pops right back out. So I can’t even supply the trailer with air. With the air lines on the trailer hooked up, push the red in and hold it in for 15-30 sec, it should stay in. Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581700 Share on other sites More sharing options...
nbone28 Posted Friday at 05:14 PM Author Share Posted Friday at 05:14 PM 6 minutes ago, Geoff Weeks said: With the air lines on the trailer hooked up, push the red in and hold it in for 15-30 sec, it should stay in. It won’t stay pushed in, no matter how long you hold it in. I hooked the emergency line up to the airline setup i have to air up the tires and it still won’t stay pushed in. Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581701 Share on other sites More sharing options...
Geoff Weeks Posted Friday at 05:28 PM Share Posted Friday at 05:28 PM we're going from bad to worse here. I think it is time to call in professional help or someone who knows air system to put another set of eyes on the problem. It is likely something simple, crossed lines, something left dis-connected etc, but before you do more, we need better info then you can provide. Not you fault, you just don't have the experience needed. Mecho,Joey Mack or I can't "see" what is happening and how the valves and air system is from this end of a computer screen. We are working blind, and you can see but don't know air systems well enough. Not a good chance of success. Do you know anybody with more experience that can come and help you? Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581702 Share on other sites More sharing options...
Geoff Weeks Posted Friday at 05:37 PM Share Posted Friday at 05:37 PM It looks like you are missing part of the valving on the MV-3 Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581704 Share on other sites More sharing options...
nbone28 Posted Friday at 05:40 PM Author Share Posted Friday at 05:40 PM 1 minute ago, Geoff Weeks said: It looks like you are missing part of the valving on the MV-3 That was the old one. That middle part fell out when I took it out. Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581705 Share on other sites More sharing options...
Geoff Weeks Posted Friday at 05:50 PM Share Posted Friday at 05:50 PM Geeze, that would have been helpful to know! You knowth not what your knowth not! So we can conclude the original was defective, at least in some part. So it was good you replaced it. again a lack of clarity is leading to problems. I am going to walk away, this is obviously way beyond what you can do, and you should either find someone local to come and help you or pay for a shop to work on it. Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581706 Share on other sites More sharing options...
nbone28 Posted Friday at 06:05 PM Author Share Posted Friday at 06:05 PM 14 minutes ago, Geoff Weeks said: Geeze, that would have been helpful to know! You knowth not what your knowth not! So we can conclude the original was defective, at least in some part. So it was good you replaced it. again a lack of clarity is leading to problems. I am going to walk away, this is obviously way beyond what you can do, and you should either find someone local to come and help you or pay for a shop to work on it. I had said that in the beginning, I said it needed to be changed out regardless. I have a buddy helping me out over the phone but he’s at a loss on what it could be also. At this point might have to find a mobile mechanic who can come out and take a look. Clearly I can’t get the trailer to move at all. Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581707 Share on other sites More sharing options...
Geoff Weeks Posted Friday at 06:09 PM Share Posted Friday at 06:09 PM 19 hours ago, nbone28 said: IThat MV-3 valve was going bad either way it seemed like. Ended up being $211 for a new one. This is a far cry from "it came apart when I removed it"! Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581708 Share on other sites More sharing options...
nbone28 Posted Friday at 06:29 PM Author Share Posted Friday at 06:29 PM 19 minutes ago, Geoff Weeks said: This is a far cry from "it came apart when I removed it"! It did come apart when i removed it but okay. Got the new maxi valve in was able to finally get the trailer air supply knob to stay pushed in, have something holding down that trolley brake, and found an brake can leaking on the last rear axle. Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581712 Share on other sites More sharing options...
fjh Posted Friday at 07:40 PM Share Posted Friday at 07:40 PM 1 hour ago, nbone28 said: It did come apart when i removed it but okay. Got the new maxi valve in was able to finally get the trailer air supply knob to stay pushed in, have something holding down that trolley brake, and found an brake can leaking on the last rear axle. If you’re going to change that can you stay on the slack adjuster side when you undo the clamp or you’ll end up warring it! Looks like a long stroke 30/24 kind of odd! Release the trailer brakes before you try and block the wheels! 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581716 Share on other sites More sharing options...
mechohaulic Posted Friday at 11:14 PM Share Posted Friday at 11:14 PM 4 hours ago, nbone28 said: It did come apart when i removed it but okay. Got the new maxi valve in was able to finally get the trailer air supply knob to stay pushed in, have something holding down that trolley brake, and found an brake can leaking on the last rear axle. got scared for a moment !! looked like the bolt was cut yet the brake can is NOT caged .!!!! hopefully the soap is covering the bolt. dam that's dangerous. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581734 Share on other sites More sharing options...
Mark T Posted Friday at 11:16 PM Share Posted Friday at 11:16 PM 4 hours ago, nbone28 said: It did come apart when i removed it but okay. Got the new maxi valve in was able to finally get the trailer air supply knob to stay pushed in, have something holding down that trolley brake, and found an brake can leaking on the last rear axle. That would most likely be a leak in the service side. (still needs to be addressed) Wouldn't have much effect on the red knob symptom. You'd need to chock the wheels. Then make sure the wheels are cholked, then push the red one in and look (or listen) for air leaks in the trailer. 1 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581735 Share on other sites More sharing options...
mechohaulic Posted Friday at 11:17 PM Share Posted Friday at 11:17 PM a leaking chamber on the service side will NOT drain the air tanks unless you are sleeping in the driver seat all night long with your foot on brake pedal . original statement was " gage goes to 80 when i hook trailer and push in button. tanks are draining over night there is another issue 2 Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581736 Share on other sites More sharing options...
Popular Post Mark T Posted Friday at 11:22 PM Popular Post Share Posted Friday at 11:22 PM The more I read all this, the more it seems like brake chambers on thee trailer ( and a couple other things that may need attention ) I'd bet if those chambers were removed and shaken you'd hear spring rattle'n around in at least two....which leads to all sorts of fun stuff. 3 Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581737 Share on other sites More sharing options...
Mark T Posted Friday at 11:35 PM Share Posted Friday at 11:35 PM Mech..... if we could only go help this guy out, then go to Texas Roadhouse 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581740 Share on other sites More sharing options...
Joey Mack Posted Friday at 11:39 PM Share Posted Friday at 11:39 PM No sh!t... Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581741 Share on other sites More sharing options...
mechohaulic Posted Friday at 11:55 PM Share Posted Friday at 11:55 PM 15 minutes ago, Mark T said: Mech..... if we could only go help this guy out, then go to Texas Roadhouse sadly in todays world , I can't chance working on a brake system not being commercially insured . working on the farm with hay balers/farm tractors is a different world. when someone buys a coffee at McDonalds and sues them cause the coffee was toooo hot !! never had a concern over helping others back then. unit of conversation has to go to a registered location. ☹️ 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581742 Share on other sites More sharing options...
Joey Mack Posted Friday at 11:57 PM Share Posted Friday at 11:57 PM Im still OUT of this thread... 😘 2 Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581743 Share on other sites More sharing options...
mechohaulic Posted yesterday at 12:05 AM Share Posted yesterday at 12:05 AM 4 minutes ago, Joey Mack said: Im still OUT of this thread... 😘 not out of conversation :: just showing what it is like to have common sense. move over on the bench I be right there also. can lead a horse to water BUT you can't make him drink. gave all the possible info to help ; how it is taken ??? 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581747 Share on other sites More sharing options...
Mark T Posted yesterday at 12:15 AM Share Posted yesterday at 12:15 AM 19 minutes ago, mechohaulic said: sadly in todays world , I can't chance working on a brake system not being commercially insured . working on the farm with hay balers/farm tractors is a different world. when someone buys a coffee at McDonalds and sues them cause the coffee was toooo hot !! never had a concern over helping others back then. unit of conversation has to go to a registered location. ☹️ We could still go eat steak. Pretty hard to get sued for that 1 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581749 Share on other sites More sharing options...
mechohaulic Posted yesterday at 12:23 AM Share Posted yesterday at 12:23 AM 4 minutes ago, Mark T said: We could still go eat steak. Pretty hard to get sued for that does that mean you are in for a road call to CT ?? yrs past I've done PA/ Maryland/Virginia road calls ; way before cell phones . if we meet at the truck and you can get on a creeper ' which for me now is a 10 minute process ; I will assist as helper . if the owner doesn't buy the steaks I will. Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581751 Share on other sites More sharing options...
Mark T Posted yesterday at 11:37 AM Share Posted yesterday at 11:37 AM 11 hours ago, mechohaulic said: does that mean you are in for a road call to CT ?? yrs past I've done PA/ Maryland/Virginia road calls ; way before cell phones . if we meet at the truck and you can get on a creeper ' which for me now is a 10 minute process ; I will assist as helper . if the owner doesn't buy the steaks I will. I'm in Connecticut several times a week. It's over in the Canaan area though. Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581762 Share on other sites More sharing options...
mechohaulic Posted 13 hours ago Share Posted 13 hours ago 12 hours ago, Mark T said: I'm in Connecticut several times a week. It's over in the Canaan area though. I;M SORRY .i couldn't wish on my worst enemy to be subjected to driving in this rotten state of CONNECTICUT. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581784 Share on other sites More sharing options...
mechohaulic Posted 12 hours ago Share Posted 12 hours ago can only hope there is a follow up/update to this issue , with positive repairs and NOT letting the unit go up/down these CT road with known safety issues. MY Children and many other innocents travel these rotten over crowded roads. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75901-air-pissing-out/page/4/#findComment-581798 Share on other sites More sharing options...
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