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Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 5559
Experience:  Owner at DJ Wilson
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I have a Deere 9670 STS, 2011, having problems with the

Customer Question

I have a John Deere 9670 STS, 2011, having problems with the hydrostatic drive charge pump. I have changed the whole pump, from a different low hour machine, and now it won't even drive. The message comes on low pressure. I have read another of your posts with a JD 9600 and tried all those suggestions... and nothing. What other kind of advice could you give me on this type of problem?
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Daniel Wilson replied 1 year ago.

Hi John, My name is***** you have a high volume of case drain from the drive motor it means the drive motor has excessive internal leakage and has failed. Check your filters and oil for fine metal/debris which helps indicate and confirm a pump or component failure. If found the system needs to be completely flushed and cleaned out. Let me know.