Workshop Manual

9.5 EGR COOLER CLEANING PROCEDURE TO REMOVE EXCESS FUEL FROM COOLER AFTER DD13
TURBOCHARGER FAILURE
Check as follows:
NOTICE:
This cleaning procedure must be followed after replacing a DD13
turbocharger so that any failure will not cau s e excessive fuel, oil,
or coolant to enter the exhaust system. Failure to perform this
procedure could cause severe eng ine damage.
1. Shut off the engine, apply the parking brake, chock the wheels, and perform any other
applicable safety steps.
2. Remove the clamps (2) and the EGR hot pipe (3) from the EGR cooler and inspect for
any signs of liquid or moisture. The hot pipe and EGR cooler inlet should have a black
dry soot residue inside. Refer to section .
[a] If liquid or moisture is present in the pipe, go to the next step.
[b] If there is no sign of liquid or moisture in the pipe, install the EGR cooler hot pipe.
No further action is required. Refer to section .
All information subject to change without notice.
9-14 DDC-SVC-MAN-0081 201 0 Copyrig ht © 2010 DETROIT DIESEL CORPORATION