Tools Required

J 7872  Dial Indicator Set

Fig 1: View Of Oil Pressure Sensor
Courtesy of GENERAL MOTORS CORP.
1. Remove the oil pressure sensor.
Fig 2: Measuring Crankshaft End Play Using J 7872
Courtesy of GENERAL MOTORS CORP.
2. 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.
3. Remove the crankshaft bearing cap side bolts.
Fig 4: View Of Crankshaft Bearing Cap & Bolts
Courtesy of GENERAL MOTORS CORP.
4. Remove the crankshaft bearing cap bolts.
5. Remove the crankshaft bearing caps.
6. Set the bolts aside for use in plastic gauging if needed.
7. Remove the crankshaft assembly.
8. Remove the crankshaft bearings from the engine block and the bearing caps.
9. Mark crankshaft bearings and caps so they may be installed in their original position.