Throttle Body - Installation

5.7L










1. Clean and check condition of throttle body-to-intake manifold O-ring (2).
2. Clean mating surfaces of throttle body and intake manifold.
3. Install O-ring (2) between throttle body and intake manifold.
4. Install throttle body to intake manifold by positioning throttle body to manifold alignment pins.
5. Install all 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.

6. Obtain a torque wrench. Tighten mounting bolts (as shown) in a mandatory torque criss-cross pattern sequence to 5.6 Nm (50 in. lbs.).





7. Install electrical connector (2).
8. Install air plenum to flange (3).
9. Connect negative battery cable.
10. Using the diagnostic scan tool, erase all previous DTC's and perform the ETC Relearn function.