Crankshaft and Bearing Removal

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

J 7872 Dial Indicator Set

Fig 1: View Of Oil Pressure Sensor

Courtesy of GENERAL MOTORS CORP.

Remove the oil pressure sensor.

Fig 2: Measuring Crankshaft End Play

Courtesy of GENERAL MOTORS CORP.

Measure crankshaft end play using J 7872 . The production value is 0.04-0.205 mm (0.0016-0.0081 in) and the service limit is 0.54 mm (0.0213 in). Replace the thrust bearings upon reassembly if the measured value exceeds the service limit.

Fig 3: View Of Crankshaft Bearing Cap Side Bolts

Courtesy of GENERAL MOTORS CORP.

Remove the crankshaft bearing cap side bolts.

Fig 4: View Of Crankshaft Bearing Cap & Bolts

Courtesy of GENERAL MOTORS CORP.

Remove the crankshaft bearing cap bolts.
Mark or identify the crankshaft bearing cap locations, direction and positions for assembly.
Remove the crankshaft bearing caps.
Set the bolts aside for use in plastic gauging if needed.
Remove the crankshaft assembly.
Remove the crankshaft bearings from the engine block and the bearing caps.