We have a Liebherr L566 wheel loader. Problem with the machine is that it makes a roaring noise when slowing down. If brake are applied the roar is louder. Truck has a 3 speed gearbox with hydrostatic drive and when shifting gears it has difficulties and it looks like it switches them in delay. So that gears stay longer.
No errors found, no warning signals, hydraulic oil is ok, hydraulic oil filters clean, transmission oil and transmission oil filter renewed. Gear pump that...
Liebherr roaring noise when slowing down
Liebherr roaring noise when slowing down
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