Silverado 1500 2WD V6-4.3L (2007)
19. If required, remove the power brake booster vacuum fitting.
20. Remove and discard the O-ring seal.
21. If required, remove the PCV valve cover.
22. Remove and discard the O-ring seal.
23. If required, remove the rear throttle body stud.
24. Remove the throttle body.
25. Remove and discard the throttle body gasket.
26. If required, remove the MAP sensor.
27. Remove and discard the MAP sensor seal.
