Harry in Ky
Member
- Location
- Central Kentucky
Anyone have any thoughts on some common problems that would cause the brakes to drag on 5400 series tractors? Could it be valve related or more likely internal issues with discs or pistons/seals?
- Thread starter Harry in Ky
- Start date
Tx Jim
Well-known Member
- Location
- Coyote Flats, Texas
JD 5000 series tractors have a history of springs(parts key #1) getting weak causing brakes to drag
Harry in Ky
Member
- Location
- Central Kentucky
Is it more likely just a weak spring problem or do the seals tend to swell and require more force to retract the pistons?
Tx Jim
Well-known Member
- Location
- Coyote Flats, Texas
Failure history is springs not seals.
Like Jim said.. they have been a common problem.. you can try loosing the brake lines and see if they free up.. (this would indicate a problem with the brake valve.. 99.9% of the time.. this is not the problem..)
As Jim said.. Normally its the brake retractors.. weak/stuck/damaged.. causing the braking plate to not retract... There were also issues with the O-rings on the piston rolling or swelling and not allowing them to retract..
If you go in.. replace both... or some throw out the retractors..
As Jim said.. Normally its the brake retractors.. weak/stuck/damaged.. causing the braking plate to not retract... There were also issues with the O-rings on the piston rolling or swelling and not allowing them to retract..
If you go in.. replace both... or some throw out the retractors..
Harry in Ky
Member
- Location
- Central Kentucky
I assume there would be no pressure to relieve by loosening the bleed screws, providing the brake valve is properly releasing when the pedal is up. At this point, I lean towards the springs being the problem, but will check the bleed screws before tearing into it.
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