Throttle Body - Removal

5.7L

CAUTION: Using a diagnostic scan tool, record any previous DTC's (Diagnostic Trouble Codes).

CAUTION: Never have the ignition key in the ON position when checking the throttle body shaft for a binding condition. This may set DTC's.





1. Disconnect and isolate negative battery cable from battery.
2. Remove air duct and air resonator box at throttle body.
3. Disconnect electrical connector (2) at throttle body.
4. Remove four throttle body mounting bolts (4).
5. Remove throttle body from intake manifold.










6. Check condition of throttle body O-ring (2).