NHTSA ID Number: 10085321
Manufacturer Communication Number: TSB140019-021414
TSB/Document Date: 2016-12-01
Summary
THIS DOCUMENT, IN CONJUNCTION WITH THE INFORMATION PROVIDED WITHIN THE MANUALS LISTED IN TABLE 1 PROVIDES INSPECTION AND REPAIR GUIDELINES FOLLOWING THE MALFUNCTION OF AN XPI FUEL PUMP PUMPING PLUNGER AND/OR ROLLER TAPPET ASSEMBLY. THE LEVEL OF PROGRESSIVE DAMAGE TO THE FUEL PUMP AND OTHER ENGINE COMPONENTS WILL VARY WITH EVERY INCIDENT; HOWEVER, THE REPAIR DIRECTION WILL DEPEND ON ONLY A FEW KEY CRITERIA. PREVIOUS VERSIONS OF THIS DOCUMENT PROVIDED SPECIFIC REPAIR DIRECTIONS ACCORDING TO THE VINTAGE OF THE FUEL PUMP AND TYPE OF PUMPING PLUNGERS. REPAIR DIRECTIONS HAVE NOW BEEN MADE COMMON AND APPLY TO ALL FUEL PUMPS REGARDLESS OF VINTAGE, PUMPING PLUNGER TYPE, OR TAPPET ROLLER ASSEMBLY TYPE.
ISX15
CM2250 and QSX15 CM2250 ECF Fuel Pump - Ceramic Plunger and Tappet Rol... Page 1 of 5
Technical Service
Bulletin Number
TSB140019
Revision Level
Date
Group Number
Technical Service Bulletin
Subject
ISX15 CM2250 and QSX15 CM2250 ECF Fuel Pump - Ceramic Plunger and Tappet Roller
Inspection and Repair
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
Procedure Title
Procedure Number
Service Model
Name
Bulletin
Number
Refer to Procedure 005016
ISX15 CM2250
4022250
Refer to Procedure 005016
QSX15 CM2250
ECF
2883557
Fuel Pump Head
Refer to Procedure 005227
ISX15 CM2250
4022250
Fuel Pump Head
Refer to Procedure 005227
QSX15 CM2250
ECF
2883557
Lubricating Oil Cooler
Refer to Procedure 007003
ISX15 CM2250
4022250
Lubricating Oil Cooler
Refer to Procedure 007003
QSX15 CM2250
ECF
2883557
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ISX15 CM2250 and QSX15 CM2250 ECF Fuel Pump - Ceramic Plunger and Tappet Rol... Page 2 of 5
Lubricating Oil Filter (SpinOn)
Refer to Procedure 007013
ISX15 CM2250
4022250
Lubricating Oil Filter (SpinOn)
Refer to Procedure 007013
QSX15 CM2250
ECF
2883557
Lubricating Oil Filter Bypass
Valve
Refer to Procedure 007014
ISX15 CM2250
4022250
Lubricating Oil Filter Bypass
Valve
Refer to Procedure 007014
QSX15 CM2250
ECF
2883557
Lubricating Oil Thermostat
Refer to Procedure 007039
ISX15 CM2250
4022250
Lubricating Oil Thermostat
Refer to Procedure 007039
QSX15 CM2250
ECF
2883557
Aftertreatment Testing
Refer to Procedure 014013
ISX15 CM2250
4022250
Aftertreatment Testing
Refer to Procedure 014013
QSX15 CM2250
ECF
2883557
This document, in conjunction with the information provided within the manuals listed in the
table above, provides the inspection and repair practice when ceramic plungers are found to
be fractured (see Figure 1) and/or tappet roller damage is found on fuel pumps with ceramic
plungers (see Figure 2). Ceramic plungers can be identified by their white color. Refer to
Procedure 005-227 in the Associated Procedures Table for removal of the fuel pump head.
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2014/tsb140019.html
5/2/2014
ISX15 CM2250 and QSX15 CM2250 ECF Fuel Pump - Ceramic Plunger and Tappet Rol... Page 3 of 5
Figure 1: Fractured Fuel Pump Ceramic Pumping Plunger
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5/2/2014
ISX15 CM2250 and QSX15 CM2250 ECF Fuel Pump - Ceramic Plunger and Tappet Rol... Page 4 of 5
Figure 2: Fuel Pump Tappet Roller Assemblies
If the ceramic plungers are fractured (see Figure 1), but no damage is found on the fuel pump
tappet rollers (see Figure 2), no further inspection is needed. Perform the following steps for
the appropriate engine (ISX15 CM2250 or QSX15 CM2250 ECF):
1. Replace the fuel pump. Refer to Procedure 005-016 in the Associated Procedures Table.
a. Refer to TSB110064 (New Two-Cylinder High-Pressure Fuel Pump Assembly) if
replacing a three-cylinder two-piston pump with a two-cylinder pump.
b. New fuel lines are required if replacing a fuel pump gear pump with bottom mount
fuel lines. Refer to TSB130044 (New Fuel Pump Gear Pump with Revised Fuel
Line Locations).
2. Change the engine lubricating oil and lubricating oil filter. Refer to Procedure 007-013 in
the Associated Procedures Table.
If the fuel pump tappet rollers are damaged (see Figure 2), perform the following steps for the
appropriate engine (ISX15 CM2250 or QSX15 CM2250 ECF):
1. Replace the fuel pump. Refer to Procedure 005-016 in the Associated Procedures Table.
a. Reference TSB110064 (New Two-Cylinder High-Pressure Fuel Pump Assembly) if
replacing a three-cylinder two-piston pump with a two-cylinder pump.
b. New fuel lines are required if replacing a fuel pump gear pump with bottom mount
fuel lines. Reference TSB130044 (New Fuel Pump Gear Pump with Revised Fuel
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2014/tsb140019.html
5/2/2014
ISX15 CM2250 and QSX15 CM2250 ECF Fuel Pump - Ceramic Plunger and Tappet Rol... Page 5 of 5
Line Locations).
2. Drain the engine lubricating oil and remove the lubricating oil filter. Refer to Procedure
007-013 in the Associated Procedures Table.
3. Thoroughly clean the oil cooler housing. Refer to Procedure 007-003 in the Associated
Procedures Table.
4. Replace the lubricating oil cooler element. Refer to Procedure 007-003 in the Associated
Procedures Table.
5. Replace the oil filter bypass valve. Refer to Procedure 007-014 in the Associated
Procedures Table.
6. Replace the lubricating oil thermostat. Refer to Procedure 007-039 in the Associated
Procedures Table.
7. Install a new lubricating oil filter. Refer to Procedure 007-013 in the Associated
Procedure Table.
8. Fill the engine with new lubricating oil.
9. Perform an aftertreatment diesel particulate filter regeneration. Refer to Procedure 014013 in the Associated Procedures Table.
10. Perform a second lubricating oil and lubricating oil filter change. Refer to Procedure 007013 in the Associated Procedures Table.
CAUTION
Immediately upon removal of the lubricating oil cooler assembly, a plug must be inserted
into the housing and cylinder block oil passage drillings. Failure to insert the oil passage
plug can result in a bearing failure, crankshaft failure, or both.
CAUTION
Do not allow dirt or foreign material to enter oil passages in the cylinder block when cleaning
the gasket sealing surfaces. Connecting rod bearing failures can be caused if debris is
introduced into the cylinder block or lubricating oil cooler housing oil passages. Therefore,
use of power tools combined with abrasive pads to clean gasket surfaces is not
recommended.
Document History
Date
2014-2-14
Details
Module Created
Last Modified: 17-Feb-2014
Copyright © 2000-2010 Cummins Inc. All rights reserved.
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5/2/2014
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TSB/Document ID: TSB140019-021414
Replacement Service Bulletin Number:
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MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
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