CYLINDER HEAD GP 7W2224 - Caterpillar

TEBE7379-01
23Apr2018
(Revised 28Jun2018)
U-237
O-321
Before/After
PRODUCT SUPPORT PROGRAM FOR POSSIBLY REPLACING THE DEF FILL VALVE AND/OR REPLACING THE DEF PURGE VALVE ON CERTAIN RETROFIT SELECTIVE CATALYTIC REDUCTION SYSTEMS, 3512E, AND 3516E MARINE ENGINES, C175-20 LOCOMOTIVE ENGINES, AND C280-16 MARINE ENGINES
1058 1088 108U PS45856
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 must be administered either before or after failure.In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS45856" as the Part Numberand "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code.If administered after failure, use "96" as the Warranty Claim Description Code, and "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.
This Revised Service Letter replaces the 23Apr2018 Service Letter. Changes have been made to the Affected Product, Action Required, and Rework Procedure.
TERMINATION DATE
30Apr2020
PROBLEM
The existing DEF fill valve and/or DEF purge valve may fail to close on certain Retrofit Selective Catalytic Reduction Systems, 3512E, and 3516E Marine Engines, C175-20 Locomotive Engines, and C280-16 Marine Engines. If the valve fails it can cause the DEF tank to over fill.
AFFECTED PRODUCT
Model Identification Number
*******Group 1*******
AFTERTREAT-SCR EH600047-00049, 52-53
EH900010-00017, 29-34, 40, 43-44
*******Group 2*******
3516E HD MRC00200-00202, 209, 211, 213-214, 220, 223-224
*******Group 3*******
3512E HD MR800200, 202
3516E HD MRC00205-00206, 208, 225-227
MRN00200
C175-20 R4F00120-00131
C280-16 R4M00100-00101, 104, 111
*******Group 4*******
3516E MD500200-00201
3516E HD MRC00203-00204, 210, 212, 215-219, 221-222
C175-20 R4F00100-00119
PARTS NEEDED
Qty
Part Number Description
*******Group 1*******
1 4770474 VALVE GP-SOL
1 5223955 VALVE GP-SOL
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order