Starting problem JD 4300

   / Starting problem JD 4300 #1  

Boondoggle

Member
Joined
May 28, 2011
Messages
34
Location
Roberts, WI
Tractor
JD4300
My new to me JD 4300 is not starting The engine turns over but does not start. What would be the first things to look at or replace? This is my first tractor.
 
   / Starting problem JD 4300 #5  
On many there is a fuel solenoid that needs to pull in. Do you hear a click when you turn the key on? If not, have someone crank while you manually hold it open. (Make sure you are not in gear!)
 
   / Starting problem JD 4300 #6  
I had the same problem with mine. I'm betting its the thermistor. This is located behind the fuse panel under the dash. Its a $3 part from John Deere. Just search the forum for JD 4300 thermistor and there are plenty of pictures and info on how to replace it. It took me about 10 minutes to to remove the panels and get to the back of my fuse box. Then about another 10 minutes to solder in a new thermistor. Good Luck! I now keep a extra one on hand.

added the link

http://www.tractorbynet.com/forums/john-deere-owning-operating/136751-jd-4300-wont-crank-3.html

Check bottom of the page on the post with pictures.
 
   / Starting problem JD 4300
  • Thread Starter
#7  
I filled it up with fuel earlier that day. It was running fine and I shut it off and then a few minutes later it wouldn't start back up. I touched a foot peddle and then it started again, later that day after shutting it off and starting it a number of times, it won't start anymore. It has fuel, about 1/2 tank.
I will check to and see if I can hear a click. It is an HST, so it is in low. I don't know anything about a solenoid, or holding it open, do you have a exploded view, or a picture? Where is it?
I can check the thermister this evening also. Is that intermittent?
 
   / Starting problem JD 4300 #8  
The thermistor will just stop working out of the blue. My tractor was fine for the first 6 months (bought it used) and then it just stopped. Same symptoms as you; even had a mechanic come look at it. After no luck (he checked alot of fuel system items and the starter). I went to the dealer and bought a thermistor. Fired right up after that. Good Luck.
 
   / Starting problem JD 4300
  • Thread Starter
#9  
does the solenoid have the 6 screws with the 2 fuel lines? How can I tell if that is working. When I turn the key, I don't hear a click
 

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   / Starting problem JD 4300 #10  
I shut it off and then a few minutes later it wouldn't start back up. I touched a foot peddle and then it started again,/QUOTE]

Have you checked the safety switches?:)
 

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