Hello, recently purchased a 1994 Cat 963 serial # 21Z05170. A real work horse but running into a hydraulic issue. A test port failed on the hydraulic pump and was spraying oil so I replaced it with a new test port (Pictured is a red plug I temporarily installed to keep debris out of system) Now with the new test port installed I have no loader or bucket functions. Tried loosening hyd lines to bleed system but still no luck. I’m assuming it’s air locked somewhere, any help or other ideas would be much appreciated.
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