WEICHAI WD615 - 3.9 The Oil Mixed with the Water

71
Remedy
Add air intake on engine shell and
clean water tank
Because fan sucks
air from ground, water
tank is too dirty and
radiator vent of water
tank is choked, which
cause engine too hot
Add air vent in the
middle of shell
Add air vents on both
sides of shell (left side)
Vehicle has no air
vent, so it only
Check thermostat
Check water
temperature sensor