Oil & Fuel Leaking Oil Cooler

   / Leaking Oil Cooler #1  

llano

New member
Joined
Oct 30, 2007
Messages
1
I have a JD 4210 that I purchase on 4/1/05 that developed an oil leak in the hydraulic cooler. It seems the battery leaked and caused the problem. The plate under the battery is very corroded and the cooler has corrosion all across the area where the battery sits. The hole is about the center of the cooler and just below the top of the battery. I contacted the dealer where I purchased the tractor and was told there is nothing they could do under warranty since it is 31 months old even though it has only 81.8 hours. I ordered a replacement and then started checking posts on TBN. It seems there are quite a few instances of this problem documented here. I read one that says there was a change in the type of battery from a manifold type to one with 6 screw down caps. My battery has the 6 caps and is part number LVA11725. They were tight and the fluid level is actually a little low, so I don't know how it leaked. There doesn't seem to be any damage to the battery case either.
 

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   / Leaking Oil Cooler #2  
Bring it to your local radiator shop and have it fixed and buy a battery case like they have for boats
and welcome to TBN
Jim
:)
 
   / Leaking Oil Cooler #3  
WELCOME TO TBN :D

Yes, JD had some battery issues as you found out! Even my 4110 was leaking-but luckily no permanent damage was caused. As you may have read most people fitted a sealed gel-cell type battery (Optima?) for a permanant fix.
 
   / Leaking Oil Cooler #4  
JD has their share of faulty leaking batteries. I had mine fixed under warranty. Keep searching and you'll find many threads with this issue.
 
   / Leaking Oil Cooler #5  
I've got the same battery problem with my 4410, however mine doesn't have the hydraulic cooler pictured. It only has the radiator screen with the radiator behind it. It is a 12/12 E-power reverser tractor. Do only eHydros have the cooler??
 
   / Leaking Oil Cooler #6  
I have a 2004 4310H that I picked up new in May 2005 and now has 126 hrs on it. Around Sept 2007 I noticed a white crystallization on the floor under the front of the tractor. I pulled the front grill and my oil cooler was all corroded but no corrosion on battery. I contacted my local dealer in October and they said its out of warranty and the best they can do is I pay 1/3, the dealer pay 1/3 and Deere would pay 1/3. They said they have not heard of this being a problem on the xx10 series tractors. I called the mother Deere customer 800 number and they said the dealer has the final say and would not take it to the next level. So i am going to pay 1/3 the cost for the oil cooler and replace the battery on my own (with Optima or other gel type).
See attached pictures that were taken after I tried to clean up and spray with protective coating. I will not replace the oil cooler until I have the new battery installed.


Thanks, Don
 

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   / Leaking Oil Cooler #7  
It is not a very robust battery (despite the "Strongbox" name) and it apparently has a tendency to "boil" out the battery acid via the caps which then condenses on the cooler/radiator which causes the corrosion. I do not believe for one second that they haven't had any other issues if they've sold any number of these forty10 series because many seem to have the issue (and many probably haven't been noticed/reported). My JD parts guy was well aware of it.

At his suggestion, I bought the correct size battery (22nf, I think) from the local Interstate battery dealer and have had no further issues. Also, it was reasonably priced $50-60 and fresh. I had looked at the local Sears and found several more expensive batteries on the rack that where over 2 yrs old!
 
   / Leaking Oil Cooler #8  
Don, from looking at your pictures, I would say that your battery is venting fumes on your cooler, creating the corrosion
Thats my guess
Jim
:)
 
   / Leaking Oil Cooler #9  
Jim,

Yes, I also believe that is what is causing it. The only thing
is mother Deere does not believe it. I did a little research today and found our local battery manufacturer (East Penn Manufacturing Co Inc (aka Deka batteries) make an AGM type in regular case configuration called the Deka Intimidator. I found one that may fit (part # 8AMU1R for $106.08). I need to do a little more research on this to make sure it will fit with no modifications. I will post my research in the next few weeks.

Thanks, Don
 
   / Leaking Oil Cooler #10  
I believe the xxxU1R battery is a smaller, lawn tractor-sized battery. A 22NF will fit in the factory hold-down assembly on that machine w/o issue.
 

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