Chevrolet Silverado / GMC Sierra. Service manual — part 2081

Fig. 191: View Of Water Pump, Bolts & Gaskets
Courtesy of GENERAL MOTORS CORP.

1. Remove the water pump bolts (301).

2. Remove the water pump (300) and gaskets (306).

3. Discard the water pump gaskets.

WATER PUMP REMOVAL (RPO LY6/L76/L92)

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. 192: View Of Water Pump, Bolts & Gaskets
Courtesy of GENERAL MOTORS CORP.

1. Remove the water pump bolts (301).

2. Remove the water pump (300) and gaskets (306).

3. Discard the water pump gaskets.

THROTTLE BODY REMOVAL

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. 193: Throttle Body Assembly
Courtesy of GENERAL MOTORS CORP.

1. Remove the electrical wire harness connectors from the throttle body.

2. Remove the throttle body nuts (507) and bolts (538).

3. Remove the throttle body (508).

4. Remove the throttle body gasket (509).

5. Discard the gasket.

FUEL RAIL AND INJECTORS REMOVAL

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.

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. 194: View Of Fuel Rail Stop Bracket & Bolt
Courtesy of GENERAL MOTORS CORP.

1. Remove the fuel rail stop bracket and bolt, as required.

CAUTION: Refer to Fuel Rail Stop Bracket Installation Caution .

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 intake manifold as a
complete assembly.

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