Posted: Thu Apr 13, 2006 8:27 pm Post subject: Help w/My 1953 M38A1
I'm new to this site but I heard it's a great place for support with my Jeep. Here's my issue, My M38A1 one day just died, and when I restarted it, it was chugging and coughing, sputtering and backfiring. So I replaced the plugs & wires, the wires need replaced. I even had the Carb. overhauled, and when I went to start it the other day. Still coughing and backfiring, so I was thinking that maybe there was water in the fuel. I drained the fuel and I was shocked when I noticed the bottom of the tank was covered with rust. I ended up removing the fuel lines and replacing them. I'm getting the tank cleaned out but I'm wondering if there's anything else I should check? Any suggestions welcome.
Chris Somers
Operation Iraqi Freedom Vet
Combat Wounded
1953 M38A1
Joined: Apr 03, 2005 Posts: 271 Location: Chester County, PA
Posted: Thu Apr 13, 2006 10:13 pm Post subject:
Welcome!
It couldn't hurt to rebuild the fuel / vac pump as well.
Also - If the diaphram has a small leak and leaks fuel into the engine, it might have leaked water. If water got onto the lobe on the camshaft, slightly corroded it, and the engine was going away at any significant RPM, it could spell disaster -- as only the outer surfaces of the camshaft are hardened. If it ate through that, it will eat the rest of the lobe that is not hardened like a knife goes through butter.
This is pretty unlikely I'd imagine, but it couldn't hurt to rebuild it. Besides, when was the last time it was rebuilt?
I'm curious -- how long was it sitting? Also, have any ideas how water got in there in the first place (if condensation over time isnt the answer)? _________________ Bob Collins
1954 M38A1 MD79056
Joined: Apr 14, 2005 Posts: 153 Location: N. Wisconsin
Posted: Thu Apr 13, 2006 11:54 pm Post subject:
Glad to have you on board Chris. As usual, Bob makes some good points. Can you see any evidence of gas (or water) in the engine oil? Otherwise, might as well hook up the cleaned-out tank and new lines and give that a try first to see if water in the gas was the culprit. And, as Bob says, a fuel pump rebuild is a good idea if it hasn't been done in the last few years. Keep us posted. _________________ Support our troops, past and present.
Dave
M38A1 2/55, MD81433, U.S. ARMY 2A3514
M100 Dunbar Kapple, ?/51, #15122
I have no idea when the last time anything on this jeep was rebuilt. I got this jeep about a year ago. She sat longer than I had hoped for but I think water was a factor due to condensation over time. I plan on getting an F-Head rebuild for it at some point. JUst money is the issue right now, and I would like her to run, since it's be 90 degrees out and sunny! _________________ "Live Free or Die"
Chris Somers
184th Security Forces Squadron
Kansas Air National Guard
Operation Iraqi Freedom Veteran
Combat Wounded, USA
1953 M38A1
~Until You Return Home Safely Daniel~
The cheapest and smartest investment you can make is getting the manuals for your jeep. They are only $20 on CD and cover the entire Willys Military Jeep line. There you will find very comprehensive troubleshooting guides that when used properly will get to the point of your problem without you having spent hundreds o dollars fixing things and replacing things that are not broke and/or are not causing your problem.
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