Throttle Body - Installation

5.7L





1. Clean and check condition of the throttle body-to-intake manifold O-ring (2), replace if necessary.
2. Clean the mating surfaces of the throttle body and intake manifold.
3. Install the throttle body to intake manifold by positioning throttle body to manifold alignment pins.
4. Install the throttle body mounting bolts finger tight.






CAUTION: The throttle body mounting bolts MUST be tightened to specifications. Over tightening can cause damage to the throttle body or the intake manifold.

5. Using the sequence shown, tighten the retaining bolts to 6 Nm (53 in. lbs.).





6. Connect the electrical connector (3).





7. Position the resonator onto the throttle body and air cleaner housing.
8. Tighten the hose clamp at the throttle body (4) to 5 Nm (45 in. lbs.).
9. Install the resonator retaining bolt (3) and tighten to 5 Nm (45 in. lbs.).
10. Tighten the hose clamp at the air cleaner housing (2) to 5 Nm (45 in. lbs.).
11. Connect the electrical connector at the Intake Air Temperature (IAT) sensor (1).





12. Install the engine cover (2).
13. Install the oil fill cap (1).





14. Connect the negative battery cable (2).
15. Using the diagnostic scan tool, perform the ETC Relearn function.