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I was thinking lift pump as well. After a YouTuber I watch uploaded a video last week explaining his situation with a bad lift pump it got me thinking. His pump ended up filling his geared hubs with diesel. I still have those lines cut from demil (and my own laziness) so as far as I know, I...

I will have to check again just to make sure. But yes I did have positive pressure with the drain valve open while running. It did not stall. I cannot say for sure how far I drove after this issue occurred. Maybe 3 miles, along with the moving from place to place while on the farm. But in total...

My apologies it is an ‘04 1123. It does appear to have a reman engine. Which I would assume is a 6.5 and I have no blowby. As an experiment, I took off the belt thinking maybe it was a pulley or something but there was no change. I did not think to look at the harmonic balancer when doing so, so...

I was thinking the same thing. I don’t see how that could be air. Injectors were almost 6 months old when this issue came about. I was almost positive it was an injector on the driver side. Swapped around injectors on the driver side to no effect. So I ordered 8 new ones, replaced all on the...

I was driving back from the hardware store one day and noticed the truck start shaking from throttle input. Then found smoke was pouring out of the exhaust. Stopped at home and the thing still runs but sounds kinda like a minor misfire and the whole truck shakes a bit. I have replaced injectors...

For sure yeah. I’ve been working with that shop for almost 10 years and I just couldn’t believe it. It’s whatever. So you had the truck before it made that noise? Mine came from the auction like this. I’d be interested to hear what yours sounds like. I guess in theory it would make sense a...

Not much luck with the diagnosis. One of the first things I did was the injectors myself which helped it run better than when I got the thing but I have no change in the primary issue. I've driven it 1200 miles, (according to the odometer) I've run a few bottles of diesel Kleen and it runs great...

I have gone through everything I could think of. Mounts, brackets, etc and I have not found anything out of place or loose. when I get under the truck while it's running you can practically pinpoint where it's coming from. It resonates from the side of the block and when the truck is cold it is...

Although the timing mark is off I doubt that's my primary issue. A while back I checked the cold advance for continuity and I thought I had something. I couldn't find any of my multimeters so I did not test continuity or voltage. One of my AM General Manuals says to turn to run position...

I was thinking the smoke on start up was a normal thing. I then started thinking maybe some kind of injection pump timing issue. Because I sometimes experience kinda like a blueish smoke while the engine is cold and I'm accelerating down the road for approx 20 seconds. If I smash the accelerator...

I have a feeling I know which cylinder it is. Tried the disconnect injector trick but not for long and kinda hard to hear when the engine is sputtering. Every time I try to record a video of it, its hard to hear over the motor running. But caught this video where you can hear the clatter at...

That could be the case. I just never imagined that would be it since I’ve put in all new injectors. But maybe the line was clogged before hand.

Posted on Facebook and the comments I got were "normal", "possible injection pump", "run 2 stroke oil in fuel", and "use ATF in the fuel". Wondering what steel soldiers think. A while back I made a post about a smoking exhaust. I ended up doing all the glow plugs, all injectors, and fuel...

Correct. My Trans light does work.

Took a drive and watched the thermostat gauge. It got to 220, stayed there for a bit then rose up to around 235 and the fan finally kicked on for about 20-30 seconds bringing temps back down to 220ish and then kicked back down. Happened again for about a minute this time. So I assume I'm good? I...

M1123 so that is correct. 4 speed

Tested ohm at each plug. Chinese glow plugs are 3.6ohm originals are 2.2. New Wellman plugs come Tuesday. Have not been able to test if 24v is going to all plugs. Changed oil, Ran Diesel Kleen, and a whole tank of diesel. Starts right up in the morning. Still, get a cloud of white smoke and...

Hey again Coug! We had this conversation about a month ago. I'm actually in Olympia. On the North East side. I will definitely check glow plug ohm test. It has been on my to do list. Picked up from Auction. So yes definitely no way to tell. I am leaning towards this being a brand new engine...

Hey all I just picked up my HMMWV and it acts kinda strange. On cold starts, (65-70f degree weather) I get a lot of white smoke and runs a little rough. After a couple minutes, the white smoke dies down but a misfire sound can be heard here and there but once it hits the operating temp the white...

Thanks! I love projects. So this is definitely a big one. My family says I'm cheap. So that probably paints a good picture. Ever since I was a kid I've wanted a HMMWV so I'm pretty excited but worried for what is about to be a tremendously expensive project.