NHTSA ID Number: 10162095
Manufacturer Communication Number: TSB170002-050720
TSB/Document Date: 2019-07-08
Summary
This Technical Service Bulletin describes the verification and resolution of injector sleeve seal leakage causing fuel and coolant cross-contamination. Shrinkage of injector sleeve seal material can create a leak path between cylinder head cooling jacket and injector bore. This is an update to a previously submitted communication.
Injector Sleeve Seal Leakage Causing Fuel and Coolant Cross-Contamination
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Technical Service Bulletin
Technical Service Bulletin:
Released Date: 07-May-2019
TSB170002
Injector Sleeve Seal Leakage Causing Fuel and Coolant CrossContamination
Injector Sleeve Seal Leakage Causing Fuel
and Coolant Cross-Contamination
Warranty Statement
The information in this document has no effect on present warranty coverage or repair
practices, nor does it authorize TRP or Campaign actions.
Contents
Product Affected
•
•
•
•
•
•
•
•
•
•
•
ISX15
CM2250
ISX15 CM2250 SN
ISX15 CM2350 X101
PowerGen QSX15 CM2250
PowerGen QSX15 CM2250 ECF
QSX15 CM2250 ECF
QSX15 CM2250 X115
QSX15 CM2350 X105
QSX15 CM2350 X106
X15 CM2350 X116B
X15 CM2350X114B
Issue
Symptom:
•
•
•
•
Fuel in coolant system
Coolant in fuel system
Fault Code 418 (water-in-fuel indicator)
Pressurized cooling system
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Injector Sleeve Seal Leakage Causing Fuel and Coolant Cross-Contamination
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Root Cause:
• Shrinkage of injector sleeve seal material can create a leak path between cylinder
head cooling jacket and injector bore.
Verification
Note : Injector sleeve seal material degradation is only one possible cause of
symptoms discussed in this document. Published troubleshooting procedures
must be followed to determine root cause.
• Inspection for fuel or coolant leakage past injector sleeve seal is only to be
performed when other possible sources of contamination, such as fuel heaters, have
been ruled out.
• Injector sleeve seal leaks can be verified in-chassis by pressure testing cooling
system with injectors removed and monitoring upper edge of injector sleeves for
bubbles or coolant leaking into injector bore. See corresponding Service Manual.
Reference Procedure 002-014 in Section 2.
• If cylinder head has been removed, injector sleeve seal leaks can be verified by leak
testing coolant passage using service tool, Part Number 3164231. See
corresponding Service Manual. Reference Procedure 002-004 in Section 2.
Figure 1, Small Amount of Coolant Leakage Past Injector Sleeve.
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Figure 2, Large Amount of Coolant Leakage Past Injector Sleeve.
Resolution
• Cylinder head assemblies are not to be replaced if injector sleeve is found leaking.
• If leaking injector sleeve is root cause of coolant or fuel cross-contamination, install
retaining ring, Part Number 4312298 in all six injector sleeves. See Service
Instructions and Service Parts Availability Sections below.
• Even if only one injector sleeve is found leaking, retaining rings must be installed in
all six injector sleeves.
• Installation of a retaining ring is a onetime repair only. If an injector sleeve is found
to be leaking again and a retaining ring was previously installed, Service Manual
Procedure 002-014 in Section 2 will direct further investigation of cylinder head to
better understand severity of fuel or coolant leak or causes besides sleeve seal
material being compromised.
• Inspect the fuel tank and filter for contamination.
Service Instructions
• See video link below for instructions on installation of retaining rings.
Note : http://tsb.cumminsvirtualcollege.com/TSB170002.aspx
(http://tsb.cumminsvirtualcollege.com/TSB170002.aspx)
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Injector Sleeve Seal Leakage Causing Fuel and Coolant Cross-Contamination
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• See corresponding Service Manual. Reference Procedure 002-014 in Section 2 for
instruction on repairing a leaking injector sleeve using service tool, Part Number
5394735, and retaining ring, Part Number 4312298.
Service Parts Availability
Cummins® warranty will reimburse an authorized repair location once for the purchase of
the installation tool, Part Number 5394735, to support a warrantable injector sleeve
repair. The installation tool part number should be claimed in the parts section of the
warranty claim for the cylinder head repair. The tool is reusable and is to be claimed only
one time per repair location.
Table 1, Service Parts
Part Description
Part Number
Quantity
Kit, Installer
5394735
1
Ring, Retaining
4312298
6
Publications Affected
Table 2, Publications Affected
Manual
Type
Engine
Bulletin
Number
Service
Manual
Procedure
Title
Injector
Sleeve,
Cylinder
Head
ISX15
CM2250
4022250
Procedure
Section
Refer to
Procedure
002-014
(/qs3/pubsy
s2/xml/en/p
rocedures/1
32/132002-014-trmixar5.html
)
2
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Table 2, Publications Affected
Manual
Type
Engine
ISX15
CM2250
SN
ISX15
CM2350
X101
QSX15
CM2250
X115
Bulletin
Number
Procedure
Title
Procedure
4310736
Refer to
Procedure
002-014
(/qs3/pubsy
s2/xml/en/p
rocedures/1
75/175002014.html)
4310641
Refer to
Procedure
002-014
(/qs3/pubsy
s2/xml/en/p
rocedures/1
73/173002-014-trprix13.html)
4388739
Refer to
Procedure
002-014
(/qs3/pubsy
s2/xml/en/p
rocedures/4
31/431002014.html)
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2017/tsb170002.html
Section
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Table 2, Publications Affected
Manual
Type
Engine
QSX15
CM2350
X105
QSX15
CM2250
ECF
QSX15
CM2350
X106
Bulletin
Number
Procedure
Title
Procedure
4332667
Refer to
Procedure
002-014
(/qs3/pubsy
s2/xml/en/p
rocedures/2
50/250002014.html)
2883557
Refer to
Procedure
002-014
(/qs3/pubsy
s2/xml/en/p
rocedures/1
32/132002-014-trvqxi6.html)
4332712
Refer to
Procedure
002-014
(/qs3/pubsy
s2/xml/en/p
rocedures/2
21/221002014.html)
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2017/tsb170002.html
Section
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Table 2, Publications Affected
Manual
Type
Engine
PowerGen
QSX15
CM2250
PowerGen
QSX15
CM2250
ECF
X15
CM2350X1
14B
Bulletin
Number
Procedure
Title
Procedure
4310664
Refer to
Procedure
002-014
(/qs3/pubsy
s2/xml/en/p
rocedures/1
32/132002-014-trvqxg5na.ht
ml)
4310661
Refer to
Procedure
002-014
(/qs3/pubsy
s2/xml/en/p
rocedures/1
32/132002-014-trvqxg5na.ht
ml)
5411181
Refer to
Procedure
002-014
(/qs3/pubsy
s2/xml/en/p
rocedures/3
77/377002014.html)
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2017/tsb170002.html
Section
5/22/2019
Injector Sleeve Seal Leakage Causing Fuel and Coolant Cross-Contamination
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Table 2, Publications Affected
Manual
Type
Bulletin
Number
Engine
X15
CM2350
X116B
Procedure
Title
Procedure
Section
Refer to
Procedure
002-014
(/qs3/pubsy
s2/xml/en/p
rocedures/4
53/453002014.html)
5411186
Document History
Date
Details
2017-1-3
Module Created
2019-4-15
Added "Inspect the fuel tank or filter for contamination."
Last Modified: 07-May-2019
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2017/tsb170002.html
5/22/2019
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TSB/Document ID: TSB170002-050720
Replacement Service Bulletin Number:
MFR Communication Date: 2019-05-07
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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