09450-04570 PUMP ASSY, INJECTI Denso Cross

20Sep2007
(Revised 09Oct2007)
U-465
A-380
TT-32
Priority
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING INJECTOR SLEEVE O-RINGS ON CERTAIN C9 MTB ON-HIGHWAY TRUCK ENGINES
7555 1100 PI31352
This Program must be administered as soon as possible.When reporting the repair, use "PI31352" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim Description Codeand "T" as the SIMS Description code. Exception: If the repair is done after failure, use "PI31352" as the Part Number, "7751" as the Group Number,"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 20Sep2007 Service Letter. Changes have been made to the Service Claims Allowance, Parts Needed, and Action Required.
COMPLETION DATE
TERMINATION DATE
31Mar2008 30Sep2008
PROBLEM
The injector sleeve o-rings need to be replaced on certain C9 MTB On-Highway truck engines. The existing o-rings can fail and cause fuel to enter the coolant system.
AFFECTED PRODUCT
Model Identification Number
C9 MTB00101-00106, 109-190, 197-199, 1000-1001, 1003-1005, 1007-1221, 1227-1387, 1396-1429, 1431-1464, 1467-1550, 1553-2020
PARTS NEEDED
Qty
Part Number Description
6 1093207 SEAL-O-RING
12 1482903 SEAL-O-RING
6 1495240 RING-BACKUP
6 2271200 SLEEVE-INJECTOR
6 2930730 RING-BACKUP
6 3107255 SEAL-O-RING
6 3107257 SEAL-O-RING
ACTION REQUIRED
Follow Special Instruction REHS3798 for proper installation of injector sleeve o-rings.
Injector o-rings need to be replaced when the injector is removed to perform sleeve o-ring replacement. Reference SEBD6792 for correct orientation of injector o-rings.
OWNER NOTIFICATION
U.S. and Canadian owners will receive the attached Owner Notification.
SERVICE CLAIM ALLOWANCES