Workshop Manual

9.5 EGR COOLER CLEANING PROCEDURE TO REMOVE EXCESS FUEL FROM COOLER AFTER DD13
TURBOCHARGER FAILURE
5. Place a towel over the outlet of the EGR cooler and retain it with a zip tie.
EYE INJURY
To avoid injury from ying debris when using compressed
air, wear adequate eye protection (face shield or safety
goggles) and do not exceed 276 kPa (40 psi) air pressure.
6. Using a rubber tipped blow gun, blow compressed shop air into the individual tubes in
the EGR cooler to clear any excess fuel, soot, and carbon.
7. After performing the cleaning procedure, refer to section to install the:
[a] mixer pipe.
[b] exhaust gas crossover tube/lifting eye (EPA07 engines) and exhaust gas crossover
tube (EPA10 engines).
[c] venturi.
8. If the cooler has an excessive amount of buildup that cannot be removed, replace the
EGR cooler. Refer to section .
All information subject to change without notice.
9-16 DDC-SVC-MAN-0081 201 0 Copyrig ht © 2010 DETROIT DIESEL CORPORATION