JD 4210 4x4 stuck on.

   #1  

Thomas B

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Mar 4, 2018
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3
Location
Hudsonville, Michigan
Tractor
John Deere 4210
I have a 2003 John Deere 4210. It has an electronic switch to turn on the 4x4. The switch works, indicator light goes on and off, but the 4 wheel drive stays engaged. Where do I start looking? Anybody have this before?
 
   #2  

joecdeere

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Apr 13, 2002
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Cumming,Georgia
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1948 Allis UC Hi-Crop Cane 1941 Allis WC 1948 Allis G with loader, 1948 Allis G with dual disc 1948 Allis G 1948 Allis G 1949 Allis G 1954 Allis G 1959 Ferguson TO-35 1972 MF 135 1979 Power King 2418 1989 Ford 345C TLB
If I remember correctly, engaged is the default position, power turns off 4WD
 
   #3  

Williy

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Apr 26, 2020
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Texas
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Yanmar YT 235C Yannar YRC 60 rotary cutter, Yanmar RT72 rotary tiller B75 Backhoe & bucket
try to back up

willy
 
   #4  

ericm979

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Santa Cruz Mountains, Ca
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Branson 3725H
Sometimes that (backing up) works. You can also lift the front wheels off the ground with the loader, which takes all the "wind up" out. But neither will help if it's the mechanism that's the problem.
 
   #5  

Zebrafive

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Aug 5, 2010
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5,375
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South West MI
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John Deere 2030, John Deere 6415
Check wiring to the solenoid for mfwd and the solenoid.
 
  
  • Thread Starter
#6  
OP
T

Thomas B

New member
Joined
Mar 4, 2018
Messages
3
Location
Hudsonville, Michigan
Tractor
John Deere 4210
Thanks for the info but it has been stuck on for over a month and hasn't popped out. Running it around my property isn't a big deal but I have to drive the paved roads sometimes, not a good plan in 4x4. Zebrafive, where would I find that solenoid?
 
   #7  

Zebrafive

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Aug 5, 2010
Messages
5,375
Location
South West MI
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John Deere 2030, John Deere 6415
Thanks for the info but it has been stuck on for over a month and hasn't popped out. Running it around my property isn't a big deal but I have to drive the paved roads sometimes, not a good plan in 4x4. Zebrafive, where would I find that solenoid?
I looked in JD parts and could not find it. You may have to trace the wires from the switch, or hoses from the cylinder that engages MFWD back to a control valve.
 
   #8  

super55

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Jan 27, 2012
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806
Location
Great North of Michigan
Tractor
Oliver Super55, John Deere 4310, John Deere 4400, Kubota L2500 (had)
The tractor defaults back to 4wd when the 4wd solenoid doesn't work. It's letter "M" on the schematic. I believe all the solenoids in that stack have the same part # so you might be able to swap them out to rule out it is definitely the solenoid.
 

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