| Symptom | Problem | Solution |
|
Heater Not Heating
| Dirty recirculating filter |
Clean filter.
|
| |
No thermostat in engine water outlet manifold
|
Install thermostat.
|
| |
Defective thermostat in engine water outlet manifold
|
Replace thermostat.
|
| |
Temperature control not functioning
|
See your John Deere
dealer.
|
| |
Kinked heater hose. Defective heater valve
|
Straighten or replace.
Replace valve.
|