Had heating problem and solved it with pressure washing radiator. Now have a steady stream of bubbles in hyd res. sight glass. Temps running normal on engine and hyd fluid. No detected leaks on suction side. Ideas are welcomed. CAT 312 grey machine
Good day rudeag Suggest you try the attached. Kind regards Uffex
I had a defective suction strainer causing issues on a smaller machine, there was a lot of pump whine though.
Did you reach the root cause, my friend?