09311-04491 BODY SUB-ASSY, NOZ Denso Cross

08Apr2020
U-188
A-146
D-175
O-174
After Failure Only
PRODUCT SUPPORT PROGRAM FOR REPLACING THE DEF INJECTOR ON CERTAIN CATERPILLAR PRODUCTS
108I 1920 7610 PS54307
Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
This Program can only be administered after a failure occurs.The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS54307" as the Part Numberand "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
The information supplied in this service letter may not be valid after the termination date of this program.Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
TERMINATION DATE
30Apr2022
PROBLEM
Certain 471-6029 DEF Injector and Mounting Groups may have an issue which can lead to an internal leak within the DEF injector. DEF Dosing Unit/Actuator Diagnostic Trouble Codes (3361/3821) can be triggered which can lead to a system inducement.
AFFECTED PRODUCT
Model Identification Number
*******Group 1*******
TL1055D ML501805-02580, 2582-2602, 2607-2610, 2612-2617, 2619
TL1255D HRC ML701764-02671, 2673-2678, 2683-2684, 5327
*******Group 2*******
CW34 AL300319-00413
*******Group 3*******