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Throttle Body: Installation: 5.7L

Fig 1: Throttle Body O-Ring At Front Of Intake Manifold
GC0080447Courtesy of CHRYSLER GROUP, LLC
  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.
    Fig 2: Throttle Body Mandatory Torque
    GC0080450Courtesy of CHRYSLER GROUP, LLC
    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 in the illustration, tighten the retaining bolts to 6 N.m (53 in. lbs.).
    Fig 3: Removing/Installing Throttle Body - 5.7L
    GC0080446Courtesy of CHRYSLER GROUP, LLC
  6. Connect the electrical connector (3).
    Fig 4: Intake Air Temperature (IAT) Sensor, Air Cleaner Housing, Resonator Retaining Bolt & Hose Clamp
    GC0144403Courtesy of CHRYSLER GROUP, LLC
  7. Position the resonator onto the throttle body and air cleaner housing.
  8. Tighten the hose clamp at the throttle body (4) to 5 N.m (45 in. lbs.).
  9. Install the resonator retaining bolt (3) and tighten to 5 N.m (45 in. lbs.).
  10. Tighten the hose clamp at the air cleaner housing (2) to 5 N.m (45 in. lbs.).
  11. Connect the electrical connector at the Intake Air Temperature (IAT) sensor (1).
    Fig 5: Oil Fill Cap & Engine Cover
    GC0143807Courtesy of CHRYSLER GROUP, LLC
  12. Install the engine cover (2).
  13. Install the oil fill cap (1).
    Fig 6: Negative Battery Cable
    GC0145484Courtesy of CHRYSLER GROUP, LLC
  14. Connect the negative battery cable (2).
  15. Using the diagnostic scan tool, perform the ETC Relearn function.