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Old 01-09-2011, 08:40 PM   post #1 of 6
Muley99
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Default John Deere 425 Fuel Problem

I just acquired a 96 John Deere 425. Its not getting any fuel to the fuel filter. I hear a click when I turn the key which I assume is the fuel solenoid but no noise from the fuel pump. They only fuses I see are located on the board on the side under the steering, they are good. I understand the fuel pump is located in the fuel tank. Question is do I have to pull the seat and metal assembly to get to it and how likely is it the fuel pump is bad? I have a 52 Ford 8n that I've worked on quite a bit but with the electronics on this thing it's a whole new ball game.
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Old 01-09-2011, 09:05 PM   post #2 of 6
Engine_Tech
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Default Re: John Deere 425 Fuel Problem

Don't let the electronics spook you too much at this point. There is a fuel pump relay I believe, that could be the cause of the problem.

Since you sound more comfy with mechanical things than electrical, here's the most basic way to check w/o a schematic or probing things under the dash...

Pull the fenderdeck and check for power back there at the pump. I think all that holds it on are a couple bolts at the front and two under the seat. Then you can probe the power connector back there. If power, then it's the pump. If no power, then it's electrical - again, probably the relay.

You'll need the schematic to go much further...
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Old 01-09-2011, 09:21 PM   post #3 of 6
Muley99
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Default Re: John Deere 425 Fuel Problem

Thanks I'll pull the fender and give it a try. I noticed the bolts under the seat are gone only the two by the foot rest are still there.
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Old 01-10-2011, 06:19 PM   post #4 of 6
Muley99
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Default Re: John Deere 425 Fuel Problem

Pulled the fuel pump today and the assembly was completely rusted! I'm getting 12v at the plug but the pump does not run. I think I'm safe saying the pump needs to be replaced. Are there any aftermarket pumps available or is OEM the best way to go? Does anyone know of a good online parts dealer?

Thanks for the help so far, it sure made things easier!!
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Old 01-10-2011, 07:58 PM   post #5 of 6
Mike X485
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Default Re: John Deere 425 Fuel Problem

Keeping it green.com is excellent for parts.
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Old 01-10-2011, 08:10 PM   post #6 of 6
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Icon2 Re: John Deere 425 Fuel Problem

Quote:
Originally Posted by Muley99 View Post
Pulled the fuel pump today and the assembly was completely rusted! I'm getting 12v at the plug but the pump does not run. I think I'm safe saying the pump needs to be replaced. Are there any aftermarket pumps available or is OEM the best way to go? Does anyone know of a good online parts dealer?

Thanks for the help so far, it sure made things easier!!
Check both sides of the circuit! Yyou're dealing with DC!! Check the ground @ the plug also!!
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