Chevrolet Silverado / GMC Sierra. Service manual - part 387
Production Value
34.512-34.522 mm 1.3587-1.3591 in
Connecting Rod Length
163.0 mm
6.42 in
Connecting Rod Side Clearance - Service
Limit
0.54 mm
0.0213 in
Connecting Rod Side Clearance - Production
Value
0.31-0.49 mm
0.0122-0.0193 in
Crankshaft
Connecting Rod Journal Diameter - Service
Limit
62.88 mm
2.4756 in
Connecting Rod Journal Diameter - Production
Value
62.902-62.922 mm 2.4764-2.4772 in
Crankshaft End Play - Service Limit
0.54 mm
0.0213 in
Crankshaft End Play - Production Value
0.04-0.205 mm
0.0016-0.0081 in
Crankshaft Main Bearing Clearance - Service
Limit
0.14 mm
0.0055 in
Crankshaft Main Bearing Clearance -
Production Value
0.039-0.070 mm
0.0015-0.0028 in
Crankshaft Main Journal Diameter - Service
Limit
79.89 mm
3.1453 in
Crankshaft Main Journal Diameter -
Production Value
79.905-79.925 mm 3.1459-3.1466 in
Crankshaft Runout - Service Limit
0.44 mm
0.0173 in
Crankshaft Runout - Production Value
0.05 mm
0.0020 in
Cylinder Head
Surface Flatness - Block Deck - Service Limit
0.2 mm
0.0079 in
Surface Flatness - Block Deck - Production
Value
0.075 mm
0.0030 in
Surface Flatness - Exhaust Manifold Deck -
Production Value
0.1 mm
0.0039 in
Surface Flatness - Intake Manifold Deck -
Production Value
0.1 mm
0.0039 in
Exhaust Manifold
0.3 mm
0.0118 in
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado