MACK MP8 Service Manual

Service Bulletin

Mack Trucks, Inc.

Allentown, PA USA

Date Number Page

(Also applies to Mack Trucks Australia)
(Supersedes SB273014 dated 05/28/08)

11/19/08

SB273014

Engine Sensor Locations

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

Trucks

1(4)

MP7, MP8

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

Mack Trucks, Inc. Date Number Page
Service Bulletin

2

11/19/08

SB273014

2(4)

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