Chevrolet Silverado / GMC Sierra. Service manual — part 2083

1. Remove the positive crankcase ventilation (PCV) hose - dirty air (716).

Fig. 199: MAP Sensor
Courtesy of GENERAL MOTORS CORP.

2. Remove the manifold absolute pressure (MAP) sensor (714) and retainer (736), as required.

3. Remove the O-ring (715) from the sensor, as required.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 200: Removing/Installing Intake Manifold Bolts
Courtesy of GENERAL MOTORS CORP.

4. Remove the intake manifold bolts (512).

5. Remove the intake manifold (500) with gaskets.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 201: View Of Intake Manifold-To-Cylinder Head Gasket
Courtesy of GENERAL MOTORS CORP.

6. Remove the intake manifold gaskets (514).

7. Discard the intake manifold gaskets.

INTAKE MANIFOLD REMOVAL (RPO LH6/LMG/LY5/LC9/L76)

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 202: View Of PCV Dirty-Air Hose
Courtesy of GENERAL MOTORS CORP.

1. Remove the positive crankcase ventilation (PCV) hose - dirty air (716).

IMPORTANT:

The intake manifold, throttle body, fuel injection rail, and
fuel injectors may be removed as an assembly. If not
servicing the individual components, remove the
manifold as a complete assembly.

DO NOT use the intake manifold-to-cylinder head
gaskets again.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado