Cub Cadet will not start - Snowblower Forum : Snow Blower Forums
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post #1 of 46 Old 10-30-2014, 12:17 AM Thread Starter
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Exclamation Cub Cadet will not start

Hello everyone - I have been told to come to this website to ask the gurus for help so here I am.

Cub Cadet snowblower model - 31AM53LR596
I have been told it is an MTD engine - model - 370 - SUB 0908202A0475

Before storing the snowblower last year I did not drain the gas or change the oil.

I tried starting the machine last weekend but it would not start.
I replaced the spark plug and cleaned the carburetor after watching a few youtube videos.

I accidentally placed the float pin the wrong way which caused gas to leak from the carburetor. I corrected this and started it again, gas stopped leaking from the carburetor but the engine was idling rough and turned off within 5 seconds. I tried starting it again and now it will not start even with the electric start.

Can any of you help me understand why it won't start?

Thank you very much
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post #2 of 46 Old 10-30-2014, 01:22 AM
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Sounds like a lack of fuel. A couple things to ponder about...
Is there a fuel shut-off nozzle, and if so, is it turned off
When you cleaned the carburetor, did you replace the screws in the same locations as previous?
Did you properly adjust the screws on the carburetor
You may have replaced the float needle incorrectly and now is stuck, thereby preventing the flow of gas

And as a side note, you didn't mention that you changed the oil. I'm sure you probably just forget to type it in the paragraph with the new plug and carb cleaning, but if not then make sure you do that before the snow files.

1972 Ariens 13/32 restored & repowered
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post #3 of 46 Old 10-30-2014, 08:36 AM
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you also didnt mention if you "changed the gas"!
Did you drain out all the old gas and add fresh gas?

Scot


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post #4 of 46 Old 10-30-2014, 09:45 AM Thread Starter
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Thanks for the responses guys.
I don't think there is a fuel shut off nozzle, when watching a repair video for a similar model they also didn't mention of one.

I did replace both the fuel and oil

Here are the steps I had taken to clean the carb

1. Removed the carb bowl
2. Removed the emulsion tube and another round object that came with it. I believe it's the main jet
3. Removed float alongside pin. I noticed that my float pin actually had a spring on it.
4. Removed rubber gasket
4. Sprayed carb cleaner in all the openings. And let it sit for 3 minutes to dry.
5. Put some motor oil on the rubber gasket seal between the carb and the bowl. Reinstalled everything back together

I didn't remove any screws outside of the one holding the bowl.
In regards to the float pin, mine has a spring on it, does the spring go at the bottom of the float or at the top. Appreciate the help guys!!
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post #5 of 46 Old 10-30-2014, 09:54 AM
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Is this a new, or nearly new snowblower?
if so, the engine is probably one of several flavors of the new Chinese engines..
Any chance you can post some photos of the snowblower, engine, and carb?
that would be helpful to help ID exactly what type of machine and carb we are dealign with..

Scot


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post #6 of 46 Old 10-30-2014, 10:39 AM
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Google tells me it's a 208cc but I didn't spend any time to confirm it.

Shop manuals:
https://www.snowblowerforum.com/forum...p-manuals.html
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post #7 of 46 Old 10-30-2014, 10:53 AM
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Hello and welcome to the forum Shanebala. Here is a link to the MTD engine service manual. As stated before, not sure which engine you have, so this may or may not be the correct manual. Adding some Seafoam gas additive will help clean the inside of the carb if you can at least get it running first.

Engine Service Manual-
http://service.mtdproducts.com/Train...re_engines.pdf

Machine Service Manual-
http://service.mtdproducts.com/Train.../770-10580.pdf


See the links posted by 2point2 above for another engine option.

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Last edited by Grunt; 10-30-2014 at 10:56 AM. Reason: Slow typer
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post #8 of 46 Old 10-30-2014, 02:26 PM Thread Starter
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Thank you all for the responses!!

Speaking to a Cub Cadet service shop it is an MTD engine (Chinese Engine if im not mistaken)

The machine was purchased in 2009, i've used it every winter since then.

I found a link that shows what the carburetor looks like below:

Cub Cadet Snowblower Carburetor 951-14027A Order now for same day shipping. 365 day return policy. RepairClinic.com

I hope this helps you guys pin point what it could be!
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post #9 of 46 Old 10-30-2014, 03:51 PM
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Aside from the possible carburetor issue, don't forget to check any wires that may be loose or cracked causing the machine to be grounded out

1972 Ariens 13/32 restored & repowered
1971 Ariens 7/24 (retired)
2011 Ariens Deluxe 24
1980 Ariens st7/24 (retired)
1985 Ariens st10/36
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post #10 of 46 Old 10-30-2014, 11:06 PM Thread Starter
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took the carb apart again, put two teaspoons of fuel into the sparkplug hole...It made a popping sound when using the electric start but no start...any ideas?
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