Chevrolet Silverado / GMC Sierra. Manual - part 567
Fig. 155: 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.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 156: View Of Crankshaft Bearing Cap Side Bolts
Courtesy of GENERAL MOTORS CORP.
3. Remove the crankshaft bearing cap side bolts.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 157: View Of Crankshaft Bearing Cap & Bolts
Courtesy of GENERAL MOTORS CORP.
4. Remove the crankshaft bearing cap bolts.
5. Remove the crankshaft bearing caps.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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.
ENGINE BLOCK CLEANING AND INSPECTION
IMPORTANT: All remanufactured cylinder blocks are steel stamped on both
sides of the fuel pressure pump boss. The stamp indicates
whether the cylinder is standard or over-bored, and if the deck is
standard or has been milled.
Stamped ID
Cylinders Bore Size (in.)
Top Deck (STD or Milled)
SS
STD
STD
01S
0.010
STD
02S
0.020
STD
03S
0.030
STD
SM
STD
Milled
01M
0.010
Milled
02M
0.020
Milled
03M
0.030
Milled
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado