No left brake function 4240

Ken11487 · May 1, 2015

Planting corn today, started with normal brakes. Late in day lost function of one brake. Pedal goes all way to the bottom with no braking. Can hear/feel hydraulic fluid going somewhere.

Any ideas on what is going on? What checks to do? I have an IT manual for it and a real service book for a 4320,would the brakes be the same?
Tractor works well otherwise, hope to make it a couple more days untill it can come back to the shop.
Ken

ss55 · May 1, 2015

I'm just guessing:
Bleeder screw backed out?
Blown brake piston seal?

Tx Jim · May 2, 2015

I'd suggest to try bleeding LH brake at bleeder on top of axle housing and if pedal won't get firm then cap line to see if pedal will then get firm. I suppose disk(parts key 47) could have some debris under it or one of the balls not seating in guide(parts key 21).

Sid_GA · May 2, 2015

I had that problem on my 6200 a few years ago and it was a metal brake line that had rusted through. Not sure your tractor has a metal line but it was easy to find and fix. Sid

No left brake function 4240

Ken11487

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ss55

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Tx Jim

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Sid_GA

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