Chevrolet Silverado / GMC Sierra. Service manual — part 28

Fig. 55: Power Brake Booster Vacuum Fitting
Courtesy of GENERAL MOTORS CORP.

19. If required, remove the power brake booster vacuum fitting.

20. Remove and discard the O-ring seal.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 56: PCV Valve Cover
Courtesy of GENERAL MOTORS CORP.

21. If required, remove the PCV valve cover.

22. Remove and discard the O-ring seal.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 57: View Of Throttle Body & Gasket
Courtesy of GENERAL MOTORS CORP.

23. If required, remove the rear throttle body stud.

24. Remove the throttle body.

25. Remove and discard the throttle body gasket.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 58: MAP Sensor
Courtesy of GENERAL MOTORS CORP.

26. If required, remove the MAP sensor.

27. Remove and discard the MAP sensor seal.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado