wsm M7060 - Bottom Bypass System

ENGINE
M6060, M7060, WSM
1-M9
[2] BOTTOM BYPASS SYSTEM
Bottom bypass system is introduced in the 07 series
for improving the cooling performance of the radiator.
While the temperature of coolant in the engine is low,
the thermostat (1) is held closed and the coolant is
allowed to flow through the bypass pipe and to circulate
in the engine.
When the temperature exceeds the thermostat (1)
valve opening level, the thermostat (1) fully opens itself
to prevent the hot coolant from flowing through the
bypass into the engine.
In this way, the radiator can increase its cooling
performance.
9Y1210828ENM0014US0
(1) Thermostat
(2) Radiator
(3) Engine
(A) Bypass Opened
(B) Bypass Closed
KiSC issued 08, 2013 A