SERIES 60 SERVICE MANUAL

2. Remove the four hose clamps (4) securing the Delta P tubes (5 and 9) to the Delta PSensor bracket (11). See Figure 8-36.

1. Delta P Sensor 6. Delta P Tube Fittings 10. Nut

2. Stud 7. Venturi Tube 11. Bracket

3. Isolator 8. P-Clips 12. Thermostat Housing

4. Hose Clamp 9. Delta P Tube 13. Bolt

5. Delta P Tube

Figure 8-36 Delta P Sensor and Related Parts

3. Remove the two bolts securing the P-clips (8) and Delta P tubes (5 and 9) to the exhaustmanifold heat shield. See Figure 8-36.

4. Loosen and disconnect the Delta P tube fittings (6) from the venturi tube (7). See Figure8-36.

5. Remove the Delta P tubes (5 and 9) from the hoses securing them to the sensor mountingbracket (11). See Figure 8-36.

6. Remove two bolts (13) securing the Delta P Sensor (1) to bracket (11). See Figure 8-36.Remove the Delta P Sensor.

7. Remove the three nuts (10) and six isolators (3) securing bracket (11) to thermostathousing. See Figure 8-36. Remove the bracket.

All information subject to change without notice. (Rev. 2006)6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION From Bulletin 1–60–06 8-41

8.4 EGR RATE MEASUREMENT SYSTEM

8.4.1.1 Inspection and Testing of EGR Rate Measurement System

Inspection steps are as follows:

1. The Delta P DDEC IV sensor using the Key On Engine Off test method. Refer to theSeries 60 Exhaust Gas Recirculation (EGR) Technicians Guide 7SE60. for the test method.

[a] If the sensor was diagnosed as defective, replace the sensor.

[b] If the sensor was diagnosed to not be defective, reuse the sensor.

2. The Delta P DDEC V sensor using the Key On Engine Off test method. Refer to the Series60 Exhaust Gas Recirculation (EGR) Technicians Guide 7SE60. for the test method.

[a] If the sensor was diagnosed as defective, replace the sensor.

[b] If the sensor was not defective, reuse the sensor.

3. Visually inspect the isolators for damage.

[a] If any of the isolators are damaged, replace as necessary.

[b] If the isolators are not damaged, reuse the components for installation.

4. Visually inspect the Delta P tubes for damage.

[a] If any of the tubes are damaged, replace as necessary.

[b] If the tubes are not damaged, reuse the components for installation.

8.4.2 Installation of EGR Rate Measurement System

Installation steps are as follows:

1. Install three isolators (3) over studs (2) of thermostat housing (12). See Figure 8-37.

(Rev. 2006) All information subject to change without notice.8-42 From Bulletin 1–60–06 6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION

SERIES 60 SERVICE MANUAL

2. Install bracket (11) onto the thermostat housing (12). See Figure 8-37.

1. Delta P Sensor 6. Fitting Nut 10. Nut

2. Stud 7. Venturi Tube 11. Bracket

3. Isolator 8. Clip 12. Thermostat Housing

4. Hose Clamp 9. Delta P Tube 13. Bolt

5. Delta P Tube

Figure 8-37 Delta P Sensor and Related Parts

3. Install remaining three isolators (3) over studs (2) and secure bracket (11) and isolators(3) to the thermostat housing with nuts. See Figure 8-37. Torque nuts to 23-27 N·m(17-20 lb·ft).

4. Install the Delta P Sensor (1) to bracket (11) and secure with bolts (13). See Figure 8-37.Torque bolts to 30-38 N·m (22-28 lb·ft).

5. Install the hose clamps (4) to the Delta P Sensor bracket (11). See Figure 8-37.

6. Insert the Delta P tubes (5 and 9) to the hoses and secure with hose clamps (4). See Figure8-37.

7. Connect the Delta P tubes (5 and 9) to the venturi tube (7). See Figure 8-37.

8. Secure the P-clips (8) to the exhaust manifold and secure with bolts. See Figure 8-37.Torque the bolts to 30-38 N·m (22-28 lb·ft).

9. Torque Delta P tube fitting nuts (6) to 24-30 N·m (18-22 lb·ft). Connect Delta P sensorconnector at sensor.

All information subject to change without notice. (Rev. 2006)6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION From Bulletin 1–60–06 8-43

8.5 DDEC V VARIBLE PRESSURE OUTPUT DEVICE

8.5 DDEC V VARIBLE PRESSURE OUTPUT DEVICE

The Variable Pressure Output Device (VPOD) regulates the Variable Nozzle Turbo (VNT). Inputvalues from the ECM/ECU regulates the VPOD air pressure which allows the VNT vanes tochange position during engine operation. The VPOD also interfaces with other engine systemcomponents.

8.5.1 Removal of Variable Pressure Output Device

Removal steps are as follows:

PERSONAL INJURYTo avoid injury from hot surfaces, wear protective gloves,or allow engine to cool before removing any component.

1. Remove bolt (3) securing air line to oil cooler. See Figure 8-38

2. Disconnect the air line fittings and remove the air line (4) from the VPOD assembly (1)and VNT actuator (5). See Figure 8-38.

1. VPOD Assembly 3. Bolt 5. VNT Actuator

2. Clip 4. Air Line

Figure 8-38 VPOD and Related Parts

(Rev. 2006) All information subject to change without notice.8-44 From Bulletin 1–60–06 6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION