Crankshaft and Bearings Removal

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 7872 Dial Indicator Set

Remove the oil pressure sensor.

Fig 1: View Of Oil Pressure Sensor

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 2: Measuring Crankshaft End Play Using J 7872

Courtesy of GENERAL MOTORS CORP.

Remove the crankshaft bearing cap side bolts.

Fig 3: View Of Crankshaft Bearing Cap Side Bolts

Courtesy of GENERAL MOTORS CORP.

Remove the crankshaft bearing cap bolts.
Remove the crankshaft bearing caps.

Fig 4: View Of Crankshaft Bearing Cap & Bolts

Courtesy of GENERAL MOTORS CORP.

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.
Mark crankshaft bearings and caps so they may be installed in their original position.