620 power steering

jdfamily

Member
I have a John Deere 620 with power steering which worked great.
I had to replace the radiator which I did, but had to disconnect the top power steering hoses and drain the fluid. I replaced the hoses filled it with John Deere fluid. Now the power steering either does not work or rapidly jerks to one direction mostly left. Any thoughts on what this might be?
Thanks.
 

Deere area of this site has more experts than a general post here.
If the suction line is sucking air or if the centering has knocked askew. This could also explain some of the symptoms.
 
I installed steering lines backwards on a 830 and it was wild.
The lines layed so nice when they were hooked wrong.
 

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