User Manual

Service Bulletin

Trucks

Mack Trucks, Inc.

Allentown, PA USA

Date Number Page

1(4)

SB273014, Engine Sensor Locations

SB273014

11/19/08

MP7, MP8

(Also applies to Mack Trucks Australia)

(Supersedes SB273014 dated 05/28/08)

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.

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

PAGE 1
Service Bulletin Trucks Mack Trucks, Inc. Allentown, PA USA (Also applies to Mack Trucks Australia) (Supersedes SB273014 dated 05/28/08) Date Number Page 11/19/08 SB273014 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 1 2 3 4 5 6 7 8 9 10 11 Qty.
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Mack Trucks, Inc. Service Bulletin Date Number Page 11/19/08 SB273014 2(4) 2 Figure 2 — MP8 Engine Sensor Locations (Right Side) Key Qty. Part No.
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Mack Trucks, Inc. Service Bulletin Date Number Page 11/19/08 SB273014 3(4) 3 Figure 3 — MP7 Engine Sensor Locations (Left Side) Key Qty. Part No.
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Mack Trucks, Inc. Service Bulletin Date Number Page 11/19/08 SB273014 4(4) 4 Figure 4 — MP7 Engine Sensor Locations (Right Side) Key Qty. Part No.