Chevrolet Silverado / GMC Sierra. Service manual — part 564

Fig. 143: View Of Oil Pump Pipe, Screen Assembly & Gasket
Courtesy of GENERAL MOTORS CORP.

1. Remove the oil pump pipe and screen assembly bolts and nuts.

2. Remove the oil pump pipe and screen assembly.

3. Remove the oil pump pipe and screen assembly gasket and discard.

PISTON OIL COOLING NOZZLE REMOVAL

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 144: View Of Piston Oil Cooling Nozzle
Courtesy of GENERAL MOTORS CORP.

1. Rotate crankshaft as necessary to obtain access to piston oil cooling nozzles.

2. Remove the piston oil cooling nozzle eye bolt.

3. Remove the piston oil cooling nozzle.

PISTON, CONNECTING ROD, AND BEARING REMOVAL

Tools Required

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

J 24270 Ridge Reamer

Removal

Fig. 145: Removing Cylinder Bore Ring Ridge
Courtesy of GENERAL MOTORS CORP.

1. Rotate the crankshaft to place the piston at the bottom of the piston stroke.

2. Place a cloth on top of the piston.

3. Use the J 24270 to remove the ridge at the top of the cylinder bore.

4. Remove cloth.

5. Remove cutting debris from the cylinder and piston.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 146: View Of Connecting Rod Cap & Bearing Insert
Courtesy of GENERAL MOTORS CORP.

6. Remove the connecting rod cap bolts. Set the bolts aside for use in plastic gauging if

needed. New bolts will be used for final assembly.

7. Remove the connecting rod cap.

8. Remove the bearing insert from connecting rod.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado