Good afternoon.
I would start by flushing the system with about 1 gallon of fluid.
Remove the return line to the pump and aim it into a bucket. Run the motor and add fluid as it leaks into the bucket until the fluid is clean.
Beyond that, you will need to test the pressure of the pump output to verify it is correct.
Roy
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Sunday, September 15th, 2019 AT 12:55 PM