sic_transitgloriamundi
New member
- 20
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- Location
- west union, illinois
Well after having my m816 for about two years now i finally have some time to work with it. I just finished earning my college degree at the not so tender age of 33, so now while I sit around waiting for the great job I am suppose to get, I have a little free time to work on my wrecker. I have only had one no start condition in the past and fixed it with the common selector valve replacement and rebuild. This last no start condition instinctively made me believe my injectors where clogged. Long story short the truck was running fine and then the last couple of times I drove it it slowly started to loss power untill after sitting for two month while I finished up my last college course work, it would not start. A shot of either would bring it to life for a second, so I started chasing done the usual problems. First I took a big funnel and c clamped it to the hood above the injection pump and gravity fed clean fuel to the pump, didn't work. Next I took the injection pump off and cleaned the in pump screen, which was completely clogged with a reddish sediment. Reinstalled the pump, but again, no start. I then checked for clogged lines by removing the in between head fuel lines and blowing from front to back and back to front. Both ways I found I had fuel flow. I then removed the fuel line plugs on the last head and primed the pump. I turned the engine over and saw I had good fuel flow out the back of the head. So I went ahead and bit the bullet and pulled the injectors out, which I wasn't really sure if I wanted to dive that far into an engine considering I have never worked on a diesel engine before. Anyway it was not so hard of a job, I didn't have any special injector puller but found a nice size channel locks worked well. One can see from the pictures that my injectors are most definitely clogged, so I am driving a couple hours away this week and taking them to a diesel shop to have a look at whether or not we are going to clean or rebuild. I am also going to go ahead and take the pump and have it done as well. I plan on keeping my wrecker for awhile so I might as well spend the money and redo the fuel system and I bet I will get many years of good service from it. I hope the reinstall of the injectors and valve setting go as well as the disassemble. May need some advice from those who have done this job before about the best way to go about setting the valves and injectors. ![DSC06999.jpg DSC06999.jpg](https://www.steelsoldiers.com/data/attachments/306/306903-9e5a7839d0f359bed99a1ba8e16a30f8.jpg)
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