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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1405 (Engine Mechanical - 6.6L (3 Of 5)) >> Repair Instructions - Off Vehicle (2 Of 4) >> Crankshaft and Bearing Removal >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Oil Pressure Sensor
    GM881732Courtesy of GENERAL MOTORS CORP.
  1. Remove the oil pressure sensor.
    2. Fig 2: Measuring Crankshaft End Play Using J 7872
    GM660558Courtesy 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.
    3. Fig 3: View Of Crankshaft Bearing Cap Side Bolts
    GM1336122Courtesy of GENERAL MOTORS CORP.
  3. Remove the crankshaft bearing cap side bolts.
    4. Fig 4: View Of Crankshaft Bearing Cap & Bolts
    GM1336123Courtesy 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.
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