TSB190042-012120
Service Bulletin Details
Public Details for: TSB190042-012120
This technical service bulletin describes the verification and resolution of a stop engine light with fault code 2636 or an amber engine light with fault code 1894 as caused by turbocharger actuator overheating. This is an update to a previ
- 9999 -
Models from 9999
9999 CUMMINS ISL9 |
9999 CUMMINS L9 |
1/28/2020 New Vented Coolant Drain Line Kit to Reduce Variable Geometry Turbocharger Actuator Overheating: FC2636 and FC1894 Technical Service Bulletin Technical Service Bulletin: TSB190042 Released Date: 21-Jan-2020 New Vented Coolant Drain Line Kit to Reduce Variable Geometry Turbocharger Actuator Overheating: FC2636 and FC1894 New Vented Coolant Drain Line Kit to Reduce Variable Geometry Turbocharger Actuator Overheating: FC2636 and FC1894 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 Engines: ISL9 CM2350 L101 L9 CM2350 L123B Original Equipment Manufacturer (OEM): Pierce Fire Truck Nova Gillig MCI ADL EL-DORADO NABI Autocar Transit Fire Truck Issue Symptom: STOP ENGINE light with FC2636 Amber lamp with FC1894 https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2019/tsb190042.html 1/9 1/28/2020 New Vented Coolant Drain Line Kit to Reduce Variable Geometry Turbocharger Actuator Overheating: FC2636 and FC1894 Root Cause: Turbocharger actuator overheating. Verification Active or logged occurences of fault codes 2636 or 1894. Verify unit is not equipped with new vented turbocharger coolant drain line kit part number. See Table 1 below. Resolution Replace turbocharger actuator vented coolant drain line with corresponding kit. Service Instructions New turbocharger actuator vented coolant drain line kits are available with a horizontal or vertical outlet. Turbocharger actuator vented coolant drain line orientation must be determined in order to determine correct service kit to be ordered. See Figures 1, 2, 3, and 4 for existing product and service kit layouts. See Figure 5 for new production routing. See Table 1 for kit part numbers. For new turbocharger actuator coolant drain line kit installation, see corresponding Service Manual. Reference Procedure 008-017 in Section 08. Dips or sags of the coolant vent line below the bottom surface of the actuator should be avoided. If the coolant vent line to the OEM top tank, dips or sags below the bottom surface of the turbocharger actuator, the coolant vent line must be shortened and raised to be above the top surface of the turbocharger actuator. See Figure 1 below. https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2019/tsb190042.html 2/9 1/28/2020 New Vented Coolant Drain Line Kit to Reduce Variable Geometry Turbocharger Actuator Overheating: FC2636 and FC1894 Figure 1, Coolant Vent Line Routing. OEM Top Tank (1). VGT Actuator (2). Service Parts Availability Service kits contain a new turbocharger actuator vented coolant drain tube with vent accommodation, turbocharger vent line and associated hardware. https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2019/tsb190042.html 3/9 1/28/2020 New Vented Coolant Drain Line Kit to Reduce Variable Geometry Turbocharger Actuator Overheating: FC2636 and FC1894 Figure 2, Existing Production Turbocharger Actuator Coolant Lines, Part Number 4352363. Figure 3, New Turbocharger Actuator Coolant Lines Kit with Horizontal Outlet, Part Number 5473157. https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2019/tsb190042.html 4/9 1/28/2020 New Vented Coolant Drain Line Kit to Reduce Variable Geometry Turbocharger Actuator Overheating: FC2636 and FC1894 Figure 4, New Turbocharger Actuator Coolant Lines Kit with Vertical Outlet, Part Number 5473158. Figure 5, New Self-Assembled Turbocharger Actuator Coolant Lines Kit, Part Number 5473159. https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2019/tsb190042.html 5/9 1/28/2020 New Vented Coolant Drain Line Kit to Reduce Variable Geometry Turbocharger Actuator Overheating: FC2636 and FC1894 Figure 6, Existing Production Turbocharger Actuator Coolant Drain Tube With Vent Accommodation (Left), Part Number 5302803. New Production Turbocharger Actuator Coolant Drain Tube with Vent Accommodation (Right), Part Number 5446929. Service Parts Availability Service parts are available. See Table 1 for part numbers. Table 1, Service Parts Part Description Existing Part Number Obsolete Superseded New Part Number Horizontal vented coolant drain Out Kit 4352363 No No 5473157 Vertical vented coolant drain Out Kit 4352363 No No 5473158 Self- Assembled Kit 4352363 No No 5473159 Table 2, Kit Part Number and Confirmed Application Compatibility Kit Part Number OEM 5473157 Pierce Fire Trucks https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2019/tsb190042.html 6/9 1/28/2020 New Vented Coolant Drain Line Kit to Reduce Variable Geometry Turbocharger Actuator Overheating: FC2636 and FC1894 Table 2, Kit Part Number and Confirmed Application Compatibility Kit Part Number OEM 5473158 Nova Gillig MCI ADL EL-DORADO NABI 5473159 Autocar Part Identification A Plain Pipe Coupler is required at the EGR coolant out vent location to install the new turbocharger vent lines. See Figure 6 for example of EGR vent line installed with the necessary plain pipe coupler. See Figure 7 for example of EGR cooler vent line installed without Plain Pipe Coupler. If engine does not have the plain pipe coupler installed see Table 3 for additional part number to order to install new turbocharger vent lines. Figure 7, EGR Vent Line Installed with Plain Pipe Coupler. https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2019/tsb190042.html 7/9 1/28/2020 New Vented Coolant Drain Line Kit to Reduce Variable Geometry Turbocharger Actuator Overheating: FC2636 and FC1894 Figure 8, EGR Vent line without Plain Pipe Coupler. Table 3, Additional Part Number Needed Plain Pipe Coupler Present Represented Figure Action Part Number Yes Figure 7 None Not Applicable No Figure 8 Order Plain Pipe Coupler 5297873 Production Status Implemented for production. See Table 4. Table 4, Production Information ESN First Build Date1 Plant 74287491 16 March 2018 Rocky Mount Engine Plant 1 Engine build date can be found on engine dataplate. Document History Date https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2019/tsb190042.html Details 8/9 1/28/2020 New Vented Coolant Drain Line Kit to Reduce Variable Geometry Turbocharger Actuator Overheating: FC2636 and FC1894 Date Details 2019-3-19 Module Created 2019-6-20 Product Problem Solving (PPS) 2020-1-21 Added Part Identification Section Last Modified: 21-Jan-2020 https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2019/tsb190042.html 9/9