M9540 Heater Problems

   / M9540 Heater Problems #1  

FF110

Member
Joined
Oct 31, 2011
Messages
30
Location
North Carolina
Tractor
John Deere 110 TLB, John Deere 4230, Satoh 650G
I recently purchased Kubota M9540 with a cab. I am having trouble with the heat in the cab blowing cold air. I have checked the damper door under the seat that diverts the air from hot to cold and it seems to be working correctly. Any suggestions on what else it could be.
 
   / M9540 Heater Problems #2  
Is coolant level correct?
 
   / M9540 Heater Problems #3  
make sure it doesn't have a shut off on water going to the cab
 
   / M9540 Heater Problems #5  
I dont think there is a water shutoff on the Kubota Grand Cab model.
My tractor is a M7040 and recently I had dealer tech come to my place to do a service.
He changed the antifreeze and then had a hard time getting all the air out of the heater system so he would get heat.
Are your heater hoses hot?
The tech was running the tractor at high revs to get enough circulation to move the air out and would add coolant to the overflow tank and let the tractor cool down which caused fluid to be drawn from the overflow tank into the system.
Dave M7040
 
   / M9540 Heater Problems
  • Thread Starter
#6  
I didn't see a shutoff valve and the coolant level is fine. I will check to see if the heater hoses are getting hot.
 
   / M9540 Heater Problems #7  
A coworker had a similar problem with his 9540, he had to have the control panel in the cab headliner replaced. Said it was $$
 
   / M9540 Heater Problems
  • Thread Starter
#8  
Thanks for everyone's help. After I traced the lines back from water pump I found a cut off valve and works like a champ now.
 

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