Throttle Body: Installation: 5.7L
- Clean and check condition of the throttle body-to-intake manifold O-ring (2), replace if necessary.
- Clean the mating surfaces of the throttle body and intake manifold.
- Install the throttle body to intake manifold by positioning throttle body to manifold alignment pins.
- 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.
- Using the sequence shown in the illustration, tighten the retaining bolts to 6 N.m (53 in. lbs.).
- Connect the electrical connector (3).
- Position the resonator onto the throttle body and air cleaner housing.
- Tighten the hose clamp at the throttle body (4) to 5 N.m (45 in. lbs.).
- Install the resonator retaining bolt (3) and tighten to 5 N.m (45 in. lbs.).
- Tighten the hose clamp at the air cleaner housing (2) to 5 N.m (45 in. lbs.).
- Connect the electrical connector at the Intake Air Temperature (IAT) sensor (1).
- Install the engine cover (2).
- Install the oil fill cap (1).
- Connect the negative battery cable (2).
- Using the diagnostic scan tool, perform the ETC Relearn function.