Engine Coolant Flow; Engine Coolant - Hyundai u125 series Installation & Operation Manual

INSTALLATION & OPERATION MANUAL

3. ENGINE COOLANT FLOW

 THERMOSTAT CLOSED
 THERMOSTAT OPENED

3.1 ENGINE COOLANT

• The high-pressure cooling system has a reservoir
filled with year-round antifreeze coolant. The reservoir
is filled at the factory.
• The coolant level should be between MAX and MIN
marks on the side of the coolant reservoir when the
engine is cool.
U125 Series Engines
① Engine coolant outlet
② Engine oil cooler
③ Exhaust manifold
④ Engine coolant inlet
① Engine coolant outlet
Thermostat opened
(opening temp 85℃)
④ Heat exchanger
⑤ Engine coolant inlet
-23-
② Engine oil cooler
③ Exhaust manifold
Expansion tank