1997 310e john deer back wont releases parking brake. 50 years model 310e back. Check the transmission oil it red look

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Customer: 1997 310e john deer back hoe wont releases parking brake
JA: What is the complete model and serial number of your machine?
Customer: 50 years model 310e back hoe
JA: Are you fixing this yourself? What have you tried so far?
Customer: Check the transmission oil it red look like type f for cars
JA: Anything else you want the Agriculture Mechanic to know before I connect you?
Customer: Why is the back hoe bleeding down
Answered by wtolkson in 24 mins 3 years ago
Auto Mechanic

34,688 satisfied customers

Specialities include: Auto Body Technician, Heavy Equipment Repairs, Heavy Duty Engine Repairs, Brake and Transmission Repairs

Its 310e back hoe 50 year contrive model
Why dose my back hoe bleed down
What color should the transmission fluid be

Hi, I'm Wayne.

I'll be assisting you with this issue today.

Thank you for coming to Just Answer

Your Question is as important to us as it is to you.

I am sorry to hear you are having this issue.

The trans fluid is Clear to honey color, not RED.

Hy-Gard transmission and hydraulic oil is a unique oil developed by John Deere engineers to meet the exact needs of John Deere machines. The hy-gard fluid is a multi-viscosity fluid with a high viscosity index. Hy-Gard viscosity places it between ISO 46 and 68 grades. Hy-Gard may be used in many applications specifying either of these grades.


  • The exclusive Hy-Gard formula was designed for use in John Deere equipment; however, it can also be used in many non-John Deere transmission and hydraulic systems

There is an electric solenoid that opens hydraulic pressure that compresses the spring to release the brake. If it is working sometimes and not other times its probably something quite simple like a bad switch or bad connection. To test it your best to get under the tractor with a light-duty jumper wire connected to the positive battery post. Make sure your ignition key and engine is off. You will need a ground but that needs only to be a short wire clamped to anything of steel near the solenoid. Disconnect the electrical connector from the solenoid and connect your jumper wires to the solenoid connector. You should here the solenoid click. IMPORTANT. Make sure your stabilizers and bucket are pressed to the ground because the tractor can roll over you once you activate the solenoid.

I hope this helps you.




You're welcome.


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