Avalanche 1500 2WD V8-5.3L (2008)
38. Disconnect the EVAP tube quick connect fitting at the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service .
39. Disengage the retainer securing the EVAP canister purge solenoid to the fuel rail.
40. Remove the EVAP tube and purge solenoid.
41. Remove the throttle body bolts/nuts.
42. Remove the throttle body.
43. Remove and discard the throttle body gasket.