Workshop Manual

2.5 DD13 EGR COOLER CLEANING PROCEDURE TO REMOVE EXCESS FUEL FROM COOLER AFTER

ENGINE BRAKE SOLENOID FAILURE

Check as follows:

NOTICE:

This procedure must be fo llowed after replacing an engine

brake solenoid due to any failure that could cause high DOC

temperature codes, excessive fuel, oil, or coolant to enter the

exhaust system. Failure to perform this procedure could cause

severe engine dama ge.

1. Remove the marmon clamps (2) and EGR hot pipe (3) and inspect for any signs of liquid

or moisture. The EGR hot pipe (exhaust pipe) and EGR

cooler inlet (1) should have

a black dry soot residue inside.

[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 p

ipe or EGR cooler (1), install the

hot pipe. No further action is required.

All information subject to change without notice.