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What have you done to your 5 ton this week?
- Thread starter dezert ratt
- Start date
adamsoffroadperformance
Member
After you adjust it tight just be sure to check for full throttle. I got mine tight and it was limiting the throttle some so had to readjust the u clamp that holds the cable sheath because I couldn't get it quite right with just the threads on the rod.
JohnnyBM931A2
Member
Replaced my PPV. I'll see how that works out.
Now my next air related problem to deal with is the CTIS.. I have the "4 flashing lights syndrome" now that it is really cold out. After searching through the forum it seems to be a pretty common issue. All of the tires are holding air, and there are no leaks anywhere that I can hear. From what I read there are a couple of solutions. Some people get it to work after everything warms up and tries to operate. Others have replaced the proportioning valve in the cab which successfully solved the issue. As a matter of fact, I found a used valve online that the military had removed. It had the words " BAD.. 4 light flash" written on it. So I guess I will keep my eye out for a valve if warmer weather doesn't solve the issue. Speaking of that, does anyone sell new valves? Or do I just have to take a chance on a used take out part?
Now my next air related problem to deal with is the CTIS.. I have the "4 flashing lights syndrome" now that it is really cold out. After searching through the forum it seems to be a pretty common issue. All of the tires are holding air, and there are no leaks anywhere that I can hear. From what I read there are a couple of solutions. Some people get it to work after everything warms up and tries to operate. Others have replaced the proportioning valve in the cab which successfully solved the issue. As a matter of fact, I found a used valve online that the military had removed. It had the words " BAD.. 4 light flash" written on it. So I guess I will keep my eye out for a valve if warmer weather doesn't solve the issue. Speaking of that, does anyone sell new valves? Or do I just have to take a chance on a used take out part?
machinist75
Member
Replaced the fuel line between the fuel filter and pump, orings in the primer pump and got her started. Ran crappy at first but cleared up the more it was driven. Believe it to be air in the lines. Bye the the way that hand primer sucks.
Andyrv6av8r
Well-known member
Push run flat as soon as you start your truck. Tell us what happens then after a few minutes.
sandcobra164
Well-known member
Bought a wireless bluetooth enabled radio and speaker system for mine. It's self contained, rugged and pretty loud so I'm sure it'll be an upgrade over using headphones and an MP3 player. Converted my wifes old phone into a bluetooth input device and currently uploading CD's to it and creating a playlist. It's nice to be doing this kind of stuff as part of preparation to a Rally rather than pulling hubs and greasing and packing bearings. I've been there many times.
JohnnyBM931A2
Member
Ok. I'll give that a try next time I run it.
therooster2001
Active member
That few could be 15-20. Give it some time.... If it fails after that, let us know the pressure in each tire...
gottaluvit
Well-known member
I have one tire with a slow leak and if I go a week or more without starting it I have to hit the run flat for ten seconds or so and then hit the highway button again and it'll start airing the tire up. In a week I cant even "see" the tire is low, but I still have to do this.
I finished up the M915 style battery box install on my M818. Nice look and good fit. And, there are also pics of the new right side fuel tank. Follow the project here...
http://www.steelsoldiers.com/showthread.php?148460-M915-Battery-Box-on-M809-series
http://www.steelsoldiers.com/showthread.php?148460-M915-Battery-Box-on-M809-series
therooster2001
Active member
Drove the big guy today. Hard starting in cold weather, so I got out and hand primed a bit, then it started right up. While warming up, I head two air leaks from the CTIS valves. One was on the back and easy to snug up, the other is on the front. I tightened it too much and it leaked, I loosed and it leaked. Had to find a happy medium for it to not leak so bad. It only leaked when it was in run flat mode. There is no o-ring between the wheel valve tube and the valve itself, so it must have some crud or malformed. I'll tear it down when it gets warmer. Still love that CTIS system. Jumped in the truck and drove it around a bit to get things moving since it hadn't been started / moved in over a month. Wife and dog were with me. Sun on my face, driving 29K LBS of iron, nice....
Red arrow is where the air leak is. It's just compression fitting. I did see the replacement sleeve, but don't think that's the issue. More picts when it gets torn down..
Red arrow is where the air leak is. It's just compression fitting. I did see the replacement sleeve, but don't think that's the issue. More picts when it gets torn down..
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Good looking machine...What's the miles per gallon?
JohnnyBM931A2
Member
Sweet. Should definitely be nicer to drive now during our wonderful Illinois Winters
therooster2001
Active member
Well, I haven't been able to gauge it that much since it was recovered, I put in 40 gallons and have not gone through it yet, but don't entirely trust the gauge. On the recovery it was close to what people have observed, doing 55, it was 8-10 MPG, and 65 was around 7-8, sometimes less.
JohnnyBM931A2
Member
Ran the truck again today. Went ahead and hit run flat immediately after it started. Run flat and the highway light flashed together for a short time. After that, it went back to just flashing the highway light. I stayed in the truck while it was running for 10-15 minutes. During that time, the highway light never stopped flashing. There was also no honking. The valve on the floor would buzz for a while, then stop. Then buzz for a while, then stop. It did this the entire time.
I went back into the house and let the truck run for another 10 minutes while I cooked a pizza. During that time, it may have honked once.. I can't be sure though. After the additional 10 minutes of running I went back out and shut the truck off. Right as the engine shut off the truck honked. As I went around the back of the truck to go over and open the air drains, I could hear an air leak. It was coming from the passenger side front-rear tire. It was a very strange leak that didn't make sense to me.. I couldn't feel any air leaking anywhere. It sounds like the air was leaking out underneath that hexagonal nut piece that goes into the tire. But like I said, I couldn't feel any air anywhere. It sounded like the air leak was inside the tire, which I thought was weird. None of the other tires were making any noise. I went back into the house, ate my pizza, and when I came out 10 minutes later the "leak" had stopped. I double checked, and it was not because all of the air leaked out. There was still a significant amount of air in the system. At that point I opened the drain valves, released all of the air, and went back into the house.
Anyone else ever experience this issue?
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Plane Fast
Member
Make sure someone did not but valve cores in the fitting between CTIS and the tire.
This will also make the system lights flash.
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JohnnyBM931A2
Member
The CTIS has worked flawlessly over the past 6 months since I bought the truck. It's only now that it has been getting really cold out that it has been acting up. My search the other day led me to believe that it might be the proportioning valve.