Mack Trucks Engine Sensor Locations Guide (EN)

Service Bulletin Trucks Mack Trucks, Inc. Allentown, PA USA (Also applies to Mack Trucks Australia) (Supersedes SB273014 dated 05/28/08) SB273014 11/19/08 Date Number Page 1(4) Engine Sensor Locations MP7, MP8 SB273014, Engine Sensor Locations (November 2008) Locations and part numbers for sensors used on MACK MP7 (US07 only) and MP8 engines are outlined in the following illustrations and part number tables. 1 Figure 1 — MP8 Engine Sensor Locations (Left Side) Key Qty. Part No.

Description 1 1 20524936 Boost Pressure Sensor 2 1 20524936 Boost Temperature Sensor 3 1 20738963 Inlet Humidity/Temperature Sensor 4 1 20513343 Crankshaft Speed Sensor (Requires shim 20556179) 5 1 20796744 Crankcase Pressure Sensor 6 1 20898038 AHI Fuel Pressure 7 1 20886108 Oil Pressure Sensor 8 1 20898038 Fuel Pressure Sensor 9 1 N/A Barometric Pressure Sensor (integral part of the EECU) 10 1 21042447 Oil Level/Temperature Sensor 11 1 20930137 EGR Differential Pressure Sensor

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11/19/08 SB273014 Mack Trucks, Inc. Date Number Page Service Bulletin 2(4) 2 Figure 2 — MP8 Engine Sensor Locations (Right Side) Key Qty. Part No. Description 1 1 20513343 Camshaft Position Sensor (Requires shim 20556179) 2 1 21010707 EGR Temperature Sensor 3 1 20513340 Coolant Temperature Sensor 4 1 20837313 Turbocharger Wheel Speed Sensor

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11/19/08 SB273014 Mack Trucks, Inc. Date Number Page Service Bulletin 3(4) 3 Figure 3 — MP7 Engine Sensor Locations (Left Side) Key Qty. Part No.

Description 1 1 20524936 Boost Pressure Sensor 2 1 20524936 Boost Temperature Sensor 3 1 20796744 Crankcase Pressure Sensor 4 1 20930137 EGR Differential Pressure Sensor (For US04, sensor was located on the front right area of engine) 5 1 20513343 Crankshaft Speed Sensor (Requires shim 20556179) 6 1 20738963 Inlet Humidity/Temperature Sensor 7 1 N/A Barometric Pressure Sensor (integral part of the EECU) 8 1 20898038 AHI Fuel Pressure (used with catalyzed DPF system only) 9 1 20898038 Fuel Pressure Sensor 10 1 21010707 EGR Temperature Sensor 11 1 21042447 Oil Level/Temperature Sensor

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11/19/08 SB273014 Mack Trucks, Inc. Date Number Page Service Bulletin 4(4) 4 Figure 4 — MP7 Engine Sensor Locations (Right Side) Key Qty. Part No. Description 1 1 20513343 Camshaft Position Sensor (Requires shim 20556179) 2 1 20513340 Coolant Temperature Sensor 3 1 20886108 Oil Pressure Sensor 4 1 20837313 Turbocharger Wheel Speed Sensor

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