High And Low Pressure Turbocharger Components - Navistar MaxxForce DT Diagnostic Manual

High and Low Pressure Turbocharger Components

1. High-pressure turbine housing
2. High-pressure turbocharger outlet
3. Turbo wastegate actuator
4. Turbocharger 2 Wastegate Control
(TC2WC) valve
5. Turbo air inlet duct
6. Low-pressure compressor housing
7. Breather outlet tube
8. High-pressure turbo oil drain tube
9. Low-pressure turbo oil drain tube
Figure 20 High and Low Pressure Turbocharger Components — MaxxForce® DT, 9 and 10 Engines
MaxxForce® DT, 9, and 10 (EPA 10) engines are equipped with an electronically controlled two stage
turbocharging system. The high and low-pressure turbochargers are installed as an assembly on the exhaust
manifold, on right side of engine.
(Below 245 HP Shown)
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DIAGNOSTIC MANUAL
10. Turbo oil supply tube assembly
11. Low-pressure turbine outlet
12. High-pressure compressor
housing
13. High-pressure turbine inlet
14. Low-pressure turbine housing
15. Low-pressure bearing housing
16. Low-pressure compressor
housing
17. Air crossover duct
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