Egr System - wsm M6040 Workshop Manual

M6040, M7040, WSM

(6) EGR System

1) If the coolant temperature is under 55 °C (131 °F), the surface temperature of EGR pipe must be under
150 °C (302 °F).
Function of EGR System
1. Check the coolant temperature and monitor the coolant
temperature while checking 1) and 2).
2. If the coolant temperature is already 55 °C (131 °F), cool down
the engine.
3. Start the engine and go to check 1) immediately.
4. After completing checking 1), arrange the coolant temperature
is getting over 70 °C (158 °F).
5. If the coolant temperature is over 70 °C (158 °F), go to check 2).
(a) Measuring Place of EGR Pipe
Surface Temperature
1-S23
ENGINE
9Y1210143ENS0024US0
9Y1210143ENS0025US0
KiSC issued 07, 2012 A