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John Deere Tractors Discussion Forum
Show Parts for Model:

Re: 4020 hydraulic fluid overflow leak

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donmyeil

01-20-2013 08:29:56
74.32.241.119



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I replace them with a brake line that I bend and double flair useing the original ends. Is this line on top of the steering valve or running down the front to the side. Down the side would be a break line not the leak off.




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jberg6

01-21-2013 18:02:08
67.142.175.27



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 Re: 4020 hydraulic fluid overflow leak in reply to donmyeil, 01-20-2013 08:29:56  
Yes its a hose from deere. I believe the line does go to the brakes...why would it have that much pressure



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Tim S

01-21-2013 18:57:47
75.49.13.105



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 Re: 4020 hydraulic fluid overflow leak in reply to jberg6, 01-21-2013 18:02:08  
The plastic line on the back side of the steer valve comes from the pressure control valve, it acts as a dump so that the control valve can move, with out it it creates a hydraulic lock, it dumps into the steer valve housing and then on through the return fitting at the lower left of the base. you could cap it at the steer valve and run it down and tee it into the seal drain return line at the top right of the transmission, or go with a steel line..I only mentioned the "re-route" because there is not much room behind the steer valve..

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