Chevrolet Silverado / GMC Sierra. Service manual — part 132

Fig. 443: View Of Crankshaft
Courtesy of GENERAL MOTORS CORP.

4. Remove the crankshaft.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 444: View Of Crankshaft Bearings & Crankshaft Bearing Caps
Courtesy of GENERAL MOTORS CORP.

5. Remove the crankshaft bearings from the crankshaft bearing caps.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 445: View Of Crankshaft Bearings At Engine Block
Courtesy of GENERAL MOTORS CORP.

6. Remove the crankshaft bearings from the engine block.

ENGINE BLOCK PLUG REMOVAL

Special Tools

J 41712 Oil Pressure Switch Socket. See Special Tools.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Removal

Fig. 446: View Of Knock Sensor & Bolt
Courtesy of GENERAL MOTORS CORP.

1. Remove the knock sensor bolt and knock sensor from the left side of the lower engine

block.

CAUTION: Refer to SAFETY GLASSES CAUTION .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado