New Allis Chalmers G:) Won't start :(
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Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=104737
Printed Date: 03 Sep 2025 at 5:15pm
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Topic: New Allis Chalmers G:) Won't start :(
Posted By: Andrew B
Subject: New Allis Chalmers G:) Won't start :(
Date Posted: 13 Apr 2015 at 8:41pm
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Hey Guys.. I've been digging around this forum for awhile and have recently purchased a G to give me a bit of hands on work with motors and hopefully start working with us on a few acres of vegetables eventually. It looks great! Apparently ran great until I took it home.. now it won't start. Bah.. I was hoping somebody might be able to shed a bit of light on a problem I'm having before I get to digging into the machine. My business partner rolled to pick up the machine a few days ago and it ran and started well upon purchase. It was trailered for 8 hours back to the house and now it's not interested in starting up at all. Charged battery, fueled it up. The machine has new points, wires distributor, plugs etc.. I noticed a milky pink liquid come dripping down from the top of the air cleaner while I was trying to start it up. I opened up the cleaner oil cup and it's all milky pink in there? I'm guessing that is meant to be straight motor oil in there correct? I was hoping that somebody might have some ideas as to what I'm looking at, and whether this could be the issue. It did rain rather hard on the drive home but that air intake looks rather well protected.. and why would I be finding pink? I'm concerned that since I was feeling it dripping from the top of the air cleaner that perhaps that perhaps the liquid was being pulled towards the carb via the air cleaner during my numerous attempts to fire the little thing up. I'll pull the tin off tomorrow and take a better look, but thought I would throw it out there in case anybody had ideas about the liquid. Thanks so much in advance! I suspect I'll be offering more questions than answers for the first while here. Great forum! |
Replies:
Posted By: Tracy Martin TN
Date Posted: 13 Apr 2015 at 8:45pm
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It has oil bath breather. Change the oil, clean the mesh. Sounds like water. Could need the distributer cap dried out. Does it fire at the cylinder? Will it start on choke cleaner? Tracy ------------- No greater gift than healthy grandkids! |
Posted By: Andrew B
Date Posted: 13 Apr 2015 at 8:57pm
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Hi Tracy, thanks for replying. In the cup it's just full of what looks like red milk. I'll clean that out and replace it with oil. Distributor cap is dry. It will fire for just a second and then dies out immediately. Smokes out of the exhaust while trying to start so I was guessing it was getting some spark. When you say choke cleaner, do you mean using carb cleaner as starter fluid? Allright I will give that a go after cleaning it up a bit. I haven't dug at all.. I was just taken aback by the pink milk and thought I would see if it was obvious stuff. |
Posted By: donslick72@gmail.com
Date Posted: 13 Apr 2015 at 9:41pm
| My knowledge of "G"s they are very easy to flood. Pull the plugs and make sure they are dry. After that I pull mine and it will start, after it is dried out it will start on the battery. |
Posted By: Andrew B
Date Posted: 13 Apr 2015 at 10:19pm
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Right on don, I'll be pulling the plugs tomorrow and hopefully getting some results. I was likely pretty liberal with the choke so it's true that I may well have flooded the engine. On another note.. I got to changing that oil cleaner and was thinking about the pink milky oil in it.. and realized that this machine has been recently painted. I'm betting this is a bunch of spray that made it's way down the intake. That's all I can figure on that front. Thanks so much for the advice. I'll be on it tomorrow. Really great having folks offer a hand. |
Posted By: Tracy Martin TN
Date Posted: 13 Apr 2015 at 10:36pm
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Andrew, yes, carb cleaner. If it will run on it, you would have a fuel supply problem. Could be flooded also. See if the breather hose has fuel down in it. Could be a stuck float or needle sticking causing excess fuel also. ------------- No greater gift than healthy grandkids! |
Posted By: Don(MO)
Date Posted: 13 Apr 2015 at 10:56pm
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I'm just asking most of the time it's the little things to check first, but did you turn the fuel shut off valve closed when you loaded the tractor and if you did; have you turned it back on? ------------- 3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep. |
Posted By: Steve in NJ
Date Posted: 14 Apr 2015 at 6:49am
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The little G's do have a flood issue on occasions. They flood very easily, especially if the little Marvel TSV13 needs to be looked at. More than on one occasion, I've replaced floats when rebuilding our customer's G carbs. I would check the plugs first. If they're wet, toss a new set of Autolite 295's in it and see if it will fire up. I also would check the crankcase oil for fuel. Give the dipstick the ole' sniff test and see if you smell gas in the oil. If so, change it! Check around the carb for fuel leakage. A good indication that it may need floats or a good fuel delivery cleaning from the tank to the carb for debris and rust that might have hung open the needle valve... HTH Steve@B&B ------------- 39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife |
Posted By: Dick L
Date Posted: 14 Apr 2015 at 11:26am
| I use starting fluid when checking for plugged carburetors after removing the plug from the bottom of the carburetor and check for good fuel flow thru float valve. After trucking a tractor or anything with an engine the sediment gets riled up and then settles in new places that can turn a good day into one of despair. |
Posted By: CrestonM
Date Posted: 14 Apr 2015 at 3:30pm
Yep!!! |
donslick72@gmail.com wrote:Posted By: tadams(OH)
Date Posted: 14 Apr 2015 at 3:52pm
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If cup on air cleaner was too full from rain could have sucked this in & fouled the plugs. Tom
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Posted By: Andrew B
Date Posted: 15 Apr 2015 at 1:58pm
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Wow, thanks for all the direction. Full disclosure, I am not a mechanic so this stuff is so very helpful. This is where I'm at, just wanted to check in and before starting to pull the started. First of all. The plugs were wet, so I'm guessing that this is likely my main problem. (The tractor was running two days ago when I bought it). I do think something has also gone on with the air intake so I thought I mention what I'm finding before turning it over. As mentioned earlier, I found pink milky liquid as the oil bath. Maybe transmission fluid or something else. Either way I have replaced that with 10W oil that I had around here. When I was trying to turn over the engine before, I noticed that this liquid was dripping down from the the top of the air cleaner. Upon removing the hood I can see that the pink milky oil that was in the filter was making it up to the top of the cleaner and maybe out towards the carb. There was a fair bit of it on top of the air cleaner. I saw a drain plug on the bottom of air breather tube and loosened that. No pink fluid, but a fair bit of oily water drained out. I haven't opened the carb as I was hoping I might try starting it before fiddling with it and creating more unknowns. (novice here) Next step will be to clean stuff up in the Carb and see if debris was shook up during transport. I have starter fluid here. I have installed new plugs. Any thoughts before I give this a go? Thanks again folks. Huge resource here. In about 2 weeks when fields are dry I'm not going to have much time for this project and it would sure be nice to have it running so we could get a feel for how it will help us here. One more question. As for the starter fluid. If necessary, just a couple sprays up through the air cleaner I'm guessing? I've never seen an oil bath air cleaner before yesterday. Here's photo of the little thing. :) Had to lift it off the trailer as it didn't quite fit to drive on set up wide. Really nice looking little machine. uploads/13373/resized_G.jpg" rel="nofollow - resized_G.jpg |
Posted By: Hubert (Ga)engine7
Date Posted: 15 Apr 2015 at 2:06pm
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That is a nice looking G. Go easy on the starter fluid, just a couple of quick shots while cranking it over. Once you get the plugs dried and cleaned and the air filter cleaned up you may not even need any starter fluid. I try to not use any if possible.
------------- Just an old country boy saved by the grace of God. |
Posted By: Andrew B
Date Posted: 15 Apr 2015 at 3:36pm
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Thanks Hubert.. I will try it without fluid first for sure. I still haven't fired it up with the new plugs and the cleaned up air filter. Digging around seeing if there is other stuff to look at before giving it a go. I noticed Steve mentioned checking for gas in the oil. I do smell gasoline in the oil. So that's gas in the oil, gas and a bit of water coming out the air breather pipe drain.. and wet plugs. Does that add up to something really obvious? Should I not try starting without changing the oil. I'm guessing perhaps this could also be another way that the engine is flooding? Would gas/oil mix (thinner) be accessing the plugs via the oil outlet in the carb? How does gas get into my oil? A lot of questions. I'll dig on the net here. Kinda nervous to start it up. Why I don't know.. seeing that it doesnt' start ;) |
Posted By: DSeries4
Date Posted: 15 Apr 2015 at 3:45pm
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Carburetor is leaking gas into the breather tube. That is the oily water that you describe. ------------- '49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080 |
Posted By: Andrew B
Date Posted: 15 Apr 2015 at 3:52pm
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Yes definitely Gas, smells like gas in that tube. Gas in the oil as well. Is it fair to say that it's time I did an oil change and learned how to service a carb before going ahead and turning the machine over? I'm confident that the seller was honest in telling me that it has been running great. Could all of this gas be symptoms of severe flooding and a bit of gas slipped past the piston rings? |
Posted By: Andrew B
Date Posted: 15 Apr 2015 at 11:59pm
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Hey folks. Tractor is up and running, thank you so much for the advice. Swapped out the plugs. Replaced the oil in the air cleaner and cleaned the mesh, drained the air hose of water and gas. The G started up no with no complaints. It seems to run very smoothly with just a slight miss at low rpm's. Thank you so very much! |
Posted By: corbinstein
Date Posted: 16 Apr 2015 at 6:50am
| remember to turn the gas supply off when you shut it down for the day.. |
Posted By: ACJohn
Date Posted: 16 Apr 2015 at 8:26am
| Our G only requires about 1/2 of a turn of the crankshaft with the choke closed and it fires right up. Hold the choke rod on too long and you'll flood it. Great looking machine! Take good care of that little beauty! |