Question about John Deere 4020 Gas & Diesel Tractor Radiator
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Posted on Jan 02, 2017
You need to remove the nut under the cover in front of the pump and then borrow a tool from a j.d dealership to pull the coupler off the pump,you may need the dealer to do this because they have a no lend pollicy for their special tools.Hope this helps.
Posted on Nov 10, 2009
This model is known for shearing the flywheel key.
Posted on Nov 14, 2009
Testimonial: "Just as you said - flywheel key had sheard, an easy fix thanks very much."
From your Description it Sounds like a Bad Water Pump Bearing and Seal.
>>You can View a Breakdown/IPL of the Engine and Mower at this Site Addy, http://jdpc.deere.com/jdpc/servlet/com.deere.u90490.partscatalog.view.servlets.HomePageServlet_Alt and Enter the Model Numbers and Click Find. Then Select your Model from the Search Results Area. Then Select the Sectional File. Then Select the Section of the Mower you Wish to View Online. *You can Drag the View Windows for Better Viewing.*
Please, Do Not Hesitate, If you Hit a Snag or this Does Not Correct the Problem, I am Here if You Require More Assistance.
Hope this Helps. Let me Know What Happens, Please. May the All Mighty Bless You and Yours. Be Safe and Be Happy. Thanks.
Posted on May 11, 2009
I found the tech manual one lin but it can"t be opened since deere is updating it.I will see if we have the book"tm1974" at the dealership in the morning and get back to you.
Posted on Oct 28, 2009
I will assume you have bled the fuel system per the owners manual to ensure no air lock in your system. This is especially critical after replacing the injector pump.
The next step is to ensure you fuel filters are good and flowing and last but probably the problem is the screen on the petcock (fuel shut off) in the fuel tank. Remove this shutoff valve and clean the screen with a fine wire brush and carburetor cleaner.
Posted on Nov 17, 2009
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