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Old 09-20-2010, 07:33 AM   post #1 of 8
Phat Phydeaux
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Default John Deere 425 waterpump?

I found my temp gauge going up last week and after letting things cool off, I found no water in the resivoir and the radiator very low. I filled it and really forgot to check further. Yesterday I forgot to check and cranked the engine up. After 20 minutes of running I saw the gaugue going up. I stopped and let it cool. after filling every thing up I saw what looks like water coming out of the waterpump.

Not having a tech manual, how hard is it to pull and replace the water pump?

Can the water pump and hoses be bought other than from JD dealer?
If so what or who is the best source?
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Old 09-20-2010, 08:25 PM   post #2 of 8
bvp2000
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Default Re: John Deere 425 waterpump?

Changing the water pump is not that hard as long as you take your time and don't get into a rush with it. I am in NC also....Clayton area and I have the manual in PDF format. If you are close by you can come and take a look at it, or send me an email and I will see how I can help.

What year is your 425 and how many hours?
How is it running?
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Old 09-20-2010, 09:17 PM   post #3 of 8
andyb
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Default Re: John Deere 425 waterpump?

I changed the water pump on my 445 a few years ago, wasn't too bad. It has been a while, but it seems like there was another cover that needed a gasket when you replace the pump, I can't remember for sure.
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Old 09-20-2010, 11:46 PM   post #4 of 8
Jere39
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Default Re: John Deere 425 waterpump?

Did my water pump on my 445 a couple years ago at 1000 hours. Got that sickly sweet smell of antifreeze one afternoon and found a pin hole squirting the side of the muffler.

I took the time to change out my plastic cam lobes, so my experience is not an apples to apples. I also did it in the pressure of late summer mowing and leaf collection season. Always wish these things happened during tractor down time, or at least when there isn't a couple things a week I need it for.

I did go to the dealer and picked up the whole kit of gaskets, pump, cam, ... It wasn't cheap, but I wasn't in a shopping mood.

Good luck,
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Old 09-21-2010, 03:05 PM   post #5 of 8
Phat Phydeaux
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Default Re: John Deere 425 waterpump?

Thanks for the replys.

The model is M00425A042382
1772 hours.
Was running great until yesterday when one of the boys went out to the orchard and started cutting high grass. I found the air filter sponge cover full of dust and the filter itself looking as bad. I went to Agri-Supply on the way to work around noon and picked up a new air filter and sponge cover. Will see how it runs in the morning before work.

bvp2000 I live in Mount Olive and work At RTP. I would love to have a look at your Tech manual and can get up with you. I will PM my cell number and work schedule for the next few weeks.
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Old 09-21-2010, 07:20 PM   post #6 of 8
Phat Phydeaux
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Default Re: John Deere 425 waterpump?

Oh will this ever end. The boys found there was a trickle of fule getting to the engine, so I guess some of the dust found on the filter made it's way to the carb and fouled things up there also. Add 1 carb repair kit to the growing list of fun things to do this weekend.

Does anyone in Eastern NC sell replacement parts for JD such as carb kits, waterpumps, cams gaskets, etc.....?
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Old 09-22-2010, 10:25 AM   post #7 of 8
Jere39
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Default Re: John Deere 425 waterpump?

You might want to add a fuel filter to your buying spree. Not sure how what you described could have clogged the fuel filter, but it seems like it is time and you'll have the panels off and be underneath your tractor anyway.
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Old 09-22-2010, 07:09 PM   post #8 of 8
Phat Phydeaux
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Default Re: John Deere 425 waterpump?

It was a good day today. First off while cleaning up the carb on the outside I found the wire that runs to the fuel shutoff solenoid had come lose from its crip. This little gem is located on the front of the carb, near the bottom.
What I figured out was that if the wire is lose or the solenoid coil is bad it will not open and allow fuel to ever reach the engine. I really felt good about this find until the parts man at Qaulity Equipment JD dealership groaned as he looked it up. $83 bucks for gem. At that point I woundered if I could just plug off the hole and use it like that for a while, but decided to keep the 425 as designed just in case I have over looked other interacting parts and function.

Good news is the water pump was way less than I had found on line and there was no S&H to deal with.

Thanks for the help and advise.
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