Other information:
Removal
NOTE:
Removal steps in this procedure may contain installation details.
NOTE:
This step is only necessary if the TRM (trailer module) is being replaced.
Using a diagnostic scan tool, begin the PMI process for the TRM following the on-screen instructions...
Flushing
WARNING:
Always allow the engine to cool before opening the cooling
system. Do not unscrew the coolant pressure relief cap when the engine
is operating or the cooling system is hot. The cooling system is under
pressure; steam and hot liquid can come out forcefully when the cap is
loosened slightly...