TSB210055-110320
Service Bulletin Details
Public Details for: TSB210055-110320
This technical service bulletin describes the verification and resolution of a stuck intake air throttle due to the formation of ice in cold ambient conditions. This condition may cause actual position to not meet commanded in cold ambient
- 9999 -
11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Technical Service Bulletin Technical Service Bulletin: TSB210055 Released Date: 03-Nov-2022 New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve 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 ISC CM2150 ISC CM2250 ISC CM2350 ISC CM850 ISL9 CM2250 ISL9 CM2350 L101 ISL9 CM2350 L111 L9 CM2350 L116B L9 CM2350 L119B L9 CM2350 L120C L9 CM2350 L123B L9 CM2350 L129C QSC8.3 CM2250 QSL9 CM2350 L102 QSL9 CM2350 L118 QSL9 M CM2250 L106 Description of Change A new fuel rail is available along with new high-pressure injector supply lines, fuel supply line, and fuel supply line braces. The new fuel rail is not compatible with the existing high-pressure injector supply lines. https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 1/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Service Instructions If existing fuel rail has malfunctioned, replace with the new fuel rail. New high-pressure injector supply lines must be used with the new fuel rail. New fuel supply line and new fuel supply line brace must be used with the new fuel rail. Replace the existing brace with only one corresponding new brace part number. See Table 1. If the existing high-pressure injector supply line has malfunctioned, replace with new highpressure injector supply line. Do not replace the fuel rail. If the existing fuel supply line has malfunctioned, replace with new fuel supply line. Do not replace the fuel rail. Service Parts Availability Service parts are available. See Table 1 for part numbers. Table 1, Service Parts Part Descriptio n Existing Part Number Fuel Rail Brace, Tube Tube, Injector Fuel Supply Quantity New Part Number Injector Supply Number Yes 1 5594271 - No No 1 5482141 - 4989322 No No 1 5482142 - 5336420, 4937931 Yes Yes 1 5481953 1 5333472, 4937932, 5285790 Yes Yes 1 5525525 2 5292964, 5266056 Yes Yes 1 5481947 3 5333473, 4937934 Yes Yes 1 5481951 4 5292969, 4937935 Yes Yes 1 5481949 5 5292967, 4936196 Yes Yes 1 5481948 6 5333474, 4980581, 5285791 Yes Yes 1 5525526 - Obsolete Supersed ed 4307377 Yes 4989442 https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 2/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Table 1, Service Parts Part Descriptio n Existing Part Number Valve, Pressure Relief 5462312 Obsolete Supersed ed No No Quantity New Part Number Injector Supply Number 1 4307376 - Fuel rail with electronic pressure relief valve (first used for L9 CM2350 L126B) - does not utilize crush washers. See Table 2 for additional information. Table 2, Part Compatibility and Part Identification Fuel Rail Part Number 4307377 Fuel Rail Identificatio n See Figure 3 Pressure Relief Valve Part Numbe r 430737 6 Seal Washer : Yes https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html High Pressure End Fitting (Injector Number 1) Part Numbe r 495431 2 Seal Washer : Yes Fuel Rail Pressure Sensor Part Numbe r 289758 1 Seal Washer : No Comments Use crush washer, Part Number 498438 2, for the end fitting and pressur e relief valve. Referen ce Proced ure 006061 in Section 6. 3/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Table 2, Part Compatibility and Part Identification Fuel Rail Part Number 5594271 Fuel Rail Identificatio n See Figure 2 Pressure Relief Valve Part Numbe r 430737 6 Type: Mecha nical Seal Washer : Yes https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html High Pressure End Fitting (Injector Number 1) Part Numbe r 495431 2 Seal Washer : Yes Fuel Rail Pressure Sensor Part Numbe r 289758 1 Seal Washer : No Comments Use crush washer, Part Number 498438 2, for the end fitting and pressur e relief valve. Referen ce Proced ure 006061 in Section 6. 4/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Table 2, Part Compatibility and Part Identification Fuel Rail Part Number 5653906 (5653980 for hybrid applications) Fuel Rail Identificatio n See Figure 1 Pressure Relief Valve Part Numbe r 549124 5 Type: Electric Pressur e Relief Valve Seal Washer : No https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html High Pressure End Fitting (Injector Number 1) Part Numbe r: 495431 2 Seal Washer : No Fuel Rail Pressure Sensor Part Numbe r 289758 1 Seal Washer : No Comments Do not install a crush washer when servicin g this rail. Referen ce Proced ure 006061 in Section 6. 5/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 1, Fuel Rail, Part Number 5653906. Part Compatibility New fuel rail is only compatible with new high-pressure injector supply lines, and fuel supply line and fuel supply line braces. Existing fuel rail is compatible with either existing or new high-pressure injector supply lines, and fuel supply line and fuel supply line braces. Part Identification All parts colors are for illustration purpose only and do not reflect the actual color of the parts. 1. New fuel rail can be identified by the shape. https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 6/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 2, New Fuel Rail. https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 7/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 3, Existing Fuel Rail. 2. High pressure injector supply lines can be identified by the shape. https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 8/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 4, New High-Pressure Injector Supply Line, Part Number 5481953 (Injector 1). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 9/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 5, Existing High-Pressure Injector Supply Line, Part Number 4937931 (Injector 1). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 10/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 6, New High-Pressure Injector Supply Line, Part Number 55525525 (Injector 2). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 11/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 7, Existing High-Pressure Injector Supply Line, Part Number 4937932 (Injector 2). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 12/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 8, New High-Pressure Injector Supply Line, Part Number 5481947 (Injector 3). Figure 9, Existing High-Pressure Injector Supply Line, Part Number 5266056 (Injector 3). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 13/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 10, New High-Pressure Injector Supply Line, Part Number 5481951 (Injector 4). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 14/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 11, Existing High-Pressure Injector Supply Line, Part Number 4937934 (Injector 4). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 15/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 12, New High-Pressure Injector Supply Line, Part Number 5481949 (Injector 5). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 16/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 13, Existing High-Pressure Injector Supply Line, Part Number 4937935 (Injector 5). Figure 14, New High-Pressure Injector Supply Line, Part Number 5481948 (Injector 6). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 17/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 15, Existing High-Pressure Injector Supply Line, Part Number 4936196 (Injector 6). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 18/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 16, New Fuel Supply Line, Part Number 5525526 (Pump to Rail). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 19/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 17, Existing Fuel Supply Line, Part Number 5285791 (Pump to Rail). https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 20/21 11/30/22, 8:44 PM New Fuel Rail, High Pressure Injector Supply Lines, Fuel Supply Line, Fuel Supply Line Braces, and Pressure Relief Valve Figure 18, Existing Fuel Supply Line, Part Number 4980581 (Pump to Rail). Document History Date Details 2021-3-4 Module Created 2021-4-29 Updated Product Affected. 2022-5-19 Added statement to: Replace the existing brace with only one corresponding new brace part number. See Table 1. 2022-10-27 Non-Product Problem Solving (PPS) Last Modified: 03-Nov-2022 https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210055.html 21/21