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Post by Deleted on Dec 17, 2014 13:04:11 GMT -5
Hey...you guys all know how Ryan feels about welding, right? Well, apply that flamboyant attitude to my damn WC and I'm walking down the same non-yellow brick road with him.
OK...that farfegnugen truck is throwing my for yet ANOTHER loop. Here is how it all went down...
...Sunday, after driving it for a few hours during the Christmas parade, we are on our way home. I'm on a secondary road, approaching and looking to cross over Main St. As I approach the intersection, the light turns yellow. Knowing my speed and stopping power, I elect to give her a bit of gas and go through the light. The intersection had one of those slight dips as I went through it. Truck was behaving wonderfully. As I approach the four way stop at the end of the block ((200 or so yards from the yellow light intersection), the truck begins to die. It sounds like fuel starvation. I give it some throttle and rev her up, but ultimately it is nothing more than a temporary solution, for she putters out and dies. Se won't restart.
A buddy shows up and we tow start her. She sounds VERY ROUGH at first and then smooths out. I am able to drive about 500 yards before the whole scenario repeats itself. In shame, we tow her home.
Yesterday, I began trouble shooting, starting with the electrical side. I pull a plug and get a weak spark...then no spark. (I was REALLY hoping the condenser was crapping out). I ended up removing the incoming line to the coil and cleaning up the connection to the radio suppression box. I am able to start the truck several different times now. Initially, she sounds great, but then eventually runs rough and dies in less than a minute. Every time.
I move over to the fuel side. The glass bowl on the pump looks good. No indication of water. I disconnect the line to the carb and hit the starter. Plenty of fuel. I drain the carb. Nothing weird pours out. Lastly, I disconnect the air filter and remove the top of the carb. With a can of compressed air, I spray the ports and holes that I can find. I button her up.
Once gas gets to the carb, she starts. Again, she sounds pretty good...but then begins to sputter before dying. At one point, I had her started and played with the idle mixture screw. Nothing of significance amounted. However, while playing with the idle screw, she really sounded like she was gasping for air. The air filter was removed and the choke was just partially engaged. With the air filter gone, I had a great view of her choke...the butterfly moves freely...and when fully opened, it still sounded like she was breathing hard... Or was there not enough fuel to mix?
My next thought is to completely remove the carb and clean her out.
I'd say timing could be a miss, but she starts and idles great for a few moments. That should also rule out electrical, right? Unless the coil or condenser is dying? I'm detardedly perplexed on this one!
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Post by Deleted on Dec 17, 2014 13:41:00 GMT -5
That sounds like one of two things, the gas tank is not venting, or the coil is getting hot and dropping out. The gas part is simple , remove the gas cap. The coil is simple, replace it. Oil
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Post by Deleted on Dec 17, 2014 14:35:49 GMT -5
Hmmmmm....I like those options a whole heck of a lot better than disassembling the carb!
Before I get back involved on that project, I've got a question. Say, perhaps, it is the gas tank. The fuel system is pretty much identical with the jeeps. They didn't have the nifty vent lines like the M series vehicles. How does one vent the tank if it runs smoothly with the gas cap off?
The coil is an old Prestolite. I guess it can't last forever.
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Post by athawk11 on Dec 17, 2014 14:40:00 GMT -5
What is the famous rule...90% of all fuel delivery issues are electrical.  As the Leaker says, this sounds similar to an overheating coil. I think you're already on my other thought...a possible partially blocked passage in the carb. Tim |
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Post by Deleted on Dec 17, 2014 15:30:48 GMT -5
I gotta agree with the cohort. What carb do you have on this WC?
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Post by Deleted on Dec 17, 2014 15:59:07 GMT -5
Rebuilt Midwest Military ETW1 carb
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Post by Deleted on Dec 17, 2014 16:49:48 GMT -5
I just measured the resistance on the coil.
Between the two poles: 1.6
Between primary and secondary: 8.9
This was at an outside temperature of 60 degrees and an engine that has not been running.
I just checked my new in the box coil. it read 1.5 and 9.3.
Is that enough to cause that much chaos?
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Post by athawk11 on Dec 17, 2014 18:03:39 GMT -5
Moose, I think it has something to do with an overheating coil. Heat causing a break down between primary and secondary. Might not show when cool, thus the nice running engine...until hot. Where's that Gary when you need him?? Just stick the new one on and DRIVE Man...Drive!! Tim |
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Post by Deleted on Dec 17, 2014 18:44:02 GMT -5
Nice having a carb guy with us now. You are full of it just like us and will fit well Mr. Scout! Yes Moosey leave the carb until last and try the coil. If your fuel filter isn't full of junk, my money is on the coil. My MB did the same to me. Biggest problem when I changed the coil was the stud came out of the block and peed very hot water on me. I mean scalding hot water. I was on the road and had to do it. It also was 92 degrees out at the time. Yuk! Oilly
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Post by Quiet as a Moose on Dec 17, 2014 19:29:04 GMT -5
Thanks, Oily...sounds like a sound plan.
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Post by Deleted on Dec 17, 2014 23:46:24 GMT -5
Just saw the thread..my apologies.... Always late the party.....
Since you have a new coil, giv'er a whirl!
As for as resistance, no brands of coils are going to measure the exact same, but they will be close...
As was mentioned, the coil will not start breaking down until it gets hot.
But...it usually takes 15 min or so before a dying coil will get hot enough to break down the winding insulation....
I'm just wondering about the suppression equipment you mention.... I have no experience with WWII radio stuff, but a suppressor is usually a capacitor (condenser) of some sort..
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Post by Deleted on Dec 18, 2014 11:57:56 GMT -5
What is the famous rule...90% of all fuel delivery issues are electrical. As the Leaker says, this sounds similar to an overheating coil. I think you're already on my other thought...a possible partially blocked passage in the carb. Tim I'm a 10%-er! Not sure if that is good or bad. Put the new coil in, same result. Went to the fuel filter and it looked like a college kid barfed in it! Lol. Cleaned it up. Started the truck. Watched the glass bowl on the pump. Eventually a small little upchuck got deposited in there. Shut the truck down. Cleaned up the pump bowl. All should be well now. Makes sense that I stirred up some crap after plowing through the bumps in the intersection. Thanks guys. Until next time...! |
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Post by athawk11 on Dec 18, 2014 12:12:24 GMT -5
Makes sense that I stirred up some crap after plowing through the bumps in the intersection. Thanks guys. Until next time...! Isn't that your middle name? Stirs-up-some-crap?  Wait a minute...I think that's HG's middle name.  Tim |
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Post by Deleted on Dec 18, 2014 14:14:58 GMT -5
Glad you found it!!
Two weeks ago, had the Willis and little trailer loaded with the tent, lanterns, shotguns and such....
A few miles from she died, and wouldn't restart..... I remembered a post from Eric or Lee about the glass bowl on the fuel pump loosening. I figured, what the hell and tried it. A few turns of the thumb screw, she was ready to go again!!
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Post by Deleted on Dec 18, 2014 17:40:47 GMT -5
I began today replacing the coil. The truck started immediately and ran smoothly. The engine continued longer than it did yesterday, so I thought, "damn, those guys were on the mark about the coil." Then she started to sputter. I'm pulled the throttle and jumped out. In an act of desperation, I open the gas cap. Then she died.
I reluctantly proceeded towards the fuel filter. I didn't really think it was the problem since I knew fuel was making it to the carb...I undid the incoming fuel line to carb yesterday and hit the foot starter and watched gas spew.
After seeing the filter bowl, I was repulsed. I don't quite understand why the truck wouldn't run, but it does now...and I put my old coil back in place.
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Post by Deleted on Dec 18, 2014 19:28:07 GMT -5
College stories----------oh oh. I got some good frat ones for ya! Ummmm probably better not. Rated too high even for Moosey. Oil
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Post by Haines Garage on Dec 18, 2014 19:36:23 GMT -5
Makes sense that I stirred up some crap after plowing through the bumps in the intersection. Thanks guys. Until next time...! Isn't that your middle name? Stirs-up-some-crap? Wait a minute...I think that's HG's middle name. Tim Ha! I Guess my South Dakota Indian Name should be that! Stirsupsomeshit! I like that! ::)Say it FAST!  The Moose and I are the Batman and Robin of the Jeep World! I am not Robin...I am not the one with Blonde Hair and Glasses. He wears tights as well! Look back! you will see it. I am glad he figured it out too. He always does.  |
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Post by Deleted on Dec 18, 2014 19:46:43 GMT -5
Tallboots,,,,,,you need to remove the fuel tank and clean it! , your just prolonging the problem if not............. I'll give $5 for that new coil Lee |
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Post by Haines Garage on Dec 18, 2014 19:53:12 GMT -5
Tallboots,,,,,,you need to remove the fuel tank and clean it! , your just prolonging the problem if not............. I'll give $5 for that new coil Lee The Captain has spoken..... |
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Post by Deleted on Dec 18, 2014 20:15:25 GMT -5
But Captain, your mentor at Midwest ReNu'ed the tank just a few short years ago.
I'll just practice suggested TM maintenance procedures and drain the filter every so often.
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Post by Haines Garage on Dec 18, 2014 20:18:48 GMT -5
But Captain, your mentor at Midwest ReNu'ed the tank just a few short years ago. I'll just practice suggested TM maintenance procedures and drain the filter every so often. Oh Shit.... Here we Go! The Captain has a Mentor....I Don't Think So Bo.... Wait I am Tim Taylor, You Are Al!! |
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Post by Deleted on Dec 18, 2014 20:30:34 GMT -5
Isn't that your middle name? Stirs-up-some-crap? Wait a minute...I think that's HG's middle name. Tim Ha! I Guess my South Dakota Indian Name should be that! Stirsupsomeshit! I like that! ::)Say it FAST! The Moose and I are the Batman and Robin of the Jeep World! I am not Robin...I am not the one with Blonde Hair and Glasses. He wears tights as well! Look back! you will see it. I am glad he figured it out too. He always does. Tim and Al is a whole helluva lot more believable than Batman and Robin. |
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Post by zooke581 on Dec 18, 2014 20:34:47 GMT -5
Tim and Al is a whole helluva lot more believable than Batman and Robin. That is just so so wrong. |
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Post by Deleted on Dec 18, 2014 20:37:46 GMT -5
Mr. John is a friend and a person I respect . A gentleman I buy parts from because he has good stuff . Now, a while back you had like gallons of water in the tank, the neighbor kids have been dumping leaves in there...........I will be more to the point,,,,,,,,,,,, "your tank is full of shit" . Clean it out or your going to have nothing but trouble, plain and simple  . Lined or not it needs cleaning. Lee |
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Post by Deleted on Dec 18, 2014 21:20:10 GMT -5
Tim and Al is a whole helluva lot more believable than Batman and Robin. That is just so so wrong. On so many levels.... But it could always be worse...  |
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. Lined or not it needs cleaning.