There are a few steps you must take to use hydraulic oil to cool your engine:
1) Fill the reservoir with hydraulically treated gasoline or diesel
2) Cut off the power to the engine
3) Apply pressure to the transmission case using a wrench or pliers.
4) Wait for the oil to flow into the engine
5) Remove the old hydraulic oil and replace with new hydraulic oil.
6) Reconnect power to motor
How Do You Cool Your Engine Without Using Hydraulic Oil?
If you don't have access to hydraulically processed petrol or diesel, you can use a simple method to cool your engine:
1) Open the air filters and let the engine breathe.
2) Apply pressure to the intake manifold using a wrench or pliers.
3) Wait for the oil to flow into the engine
4) Remove the old oil and replace with new oil
