Throttle Body - Installation

4.7L V-8





1. Check condition of throttle body-to-intake manifold O-ring. Replace as necessary.
2. Clean mating surfaces of throttle body and intake manifold.
3. Install throttle body-to-intake manifold O-ring.
4. Install all throttle body mounting bolts (1) finger tight.




CAUTION: The throttle body mounting bolts MUST be torqued to specifications. DO NOT OVER TIGHTEN MOUNTING BOLTS. Over tightening can cause damage to the throttle body, throttle plate, gaskets, bolts and/or the intake manifold. Proper torque of the mounting bolts is critical to normal operation.

5. Obtain a torque wrench. Tighten mounting bolts (as shown) in a mandatory torque criss-cross pattern sequence to 7.5 Nm (65 in. lbs.).




6. Install electrical connector (2).
7. Install necessary vacuum lines.
8. Install air cleaner duct and plenum at throttle body.
9. Connect negative battery cable.
10. Using the diagnostic scan tool, erase all previous DTC's and perform the ETC Relearn function.