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Ensure the Balancer is Completely Installed 50 N.m 37 lb ft Crankshaft Balancer Bolt - Final Pass 140 degrees Crankshaft Bearing Cap M8 Bolts 25 N.m 18 lb ft Crankshaft Bearing Cap M10 Bolts - First Pass in 20 N.m 15 lb ft Crankshaft Bearing Cap M10 Bolts - Final Pass in 80 degrees Crankshaft Bearing Cap M10 Studs - First Pass in 20 N.m 15 lb ft Crankshaft Bearing Cap M10 Studs - Final Pass in 51 degrees Crankshaft Oil Deflector Nuts 25 N.m 18 lb ft Crankshaft Position (CKP) Sensor Bolt 25 N.m 18 lb ft Crankshaft Rear Oil Seal Housing Bolts 30 N.m 22 lb ft Crossbar Bolts/Nuts - 1500 Series 100 N.m 74 lb ft Crossbar Bolts/Nuts - 2500 Series 120 N.m 89 lb ft Cylinder Head M8 Bolts - in Sequence 30 N.m 22 lb ft Cylinder Head M11 Bolts - First Pass in Sequence 30 N.m 22 lb ft Cylinder Head M11 Bolts - Second Pass in 90 degrees Cylinder Head M11 Bolts - Final Pass in Sequence 70 degrees Cylinder Head Plug 20 N.m 15 lb ft Differential Carrier-to-Crossbar Nuts 100 N.m 74 lb ft Engine Block Coolant Drain Hole Plug 60 N.m 44 lb ft Engine Block Coolant Heater 50 N.m 37 lb ft Engine Block Oil Gallery Plugs 60 N.m 44 lb ft Engine Harness Ground Strap Bolt/Stud 16 N.m 12 lb ft Engine Harness-to-Generator Bracket Bolt 9 N.m 80 lb in Engine Harness Retainer-to-Intake Manifold Nut 5 N.m 44 lb in Engine Mount Bracket Through Bolt 100 N.m 74 lb ft Engine Mount-to-Engine Block Bolts 50 N.m 37 lb ft Engine Mount-to-Frame Bolts 65 N.m 48 lb ft Engine Shield-to-Crossbar Bolts 20 N.m 15 lb ft
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Evaporative (EVAP) Emission Pipe Bracket Nut 20 N.m 15 lb ft Exhaust Manifold Bolts - First Pass 15 N.m 11 lb ft Exhaust Manifold Bolts - Final Pass 20 N.m 15 lb ft Exhaust Manifold Heat Shield Bolts 9 N.m 80 lb in Exhaust Manifold Studs 20 N.m 15 lb ft Flex Plate-to-Torque Converter Bolts - 4L60- 63 N.m 47 lb ft Flex Plate-to-Torque Converter Bolts - 4L80-E 60 N.m 44 lb ft Front Cover Bolts 25 N.m 18 lb ft Front Drive Axle Bracket Bolts 90 N.m 67 lb ft Fuel Injection Fuel Rail Bolts 10 N.m 89 lb in Fuel Injection Fuel Rail Crossover Tube Bolts 3.8 N.m 34 lb in Fuel Rail Stop Bracket Bolt 50 N.m 37 lb ft Generator Bracket Bolts 50 N.m 37 lb ft Heater Hose Bracket Nut 9 N.m 80 lb in Ignition Coil Bracket-to-Valve Rocker Arm Cover 12 N.m 106 lb in Ignition Coil-to-Bracket Bolts 10 N.m 89 lb in Intake Manifold Bolts - First Pass in Sequence 5 N.m 44 lb in Intake Manifold Bolts - Final Pass in Sequence 10 N.m 89 lb in Intake Manifold Sight Shield Retainer Bolts 5 N.m 44 lb in J 41798 M8 Bolt 25 N.m 18 lb ft J 41798 M10 Bolts 50 N.m 37 lb ft Knock Sensor Bolts 25 N.m 18 lb ft Negative Battery Cable Stud 25 N.m 18 lb ft Oil Filter 30 N.m 22 lb ft Oil Filter Fitting 55 N.m 40 lb ft Oil Level Indicator Switch 20 N.m 15 lb ft Oil Level Indicator Tube Bolt 25 N.m 18 lb ft Oil Pan Baffle Bolts 9 N.m 80 lb in Oil Pan Closeout Cover Bolt - Left Side 9 N.m 80 lb in Oil Pan Closeout Cover Bolt - Right Side 9 N.m 80 lb in Oil Pan Cover Bolts 9 N.m 80 lb in Oil Pan Drain Plug 25 N.m 18 lb ft
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
ENGINE MECHANICAL SPECIFICATIONS (RPO LY5 VIN J) Oil Pan M6 Bolts - Oil Pan-to-Rear Housing 12 N.m 106 lb in Oil Pan M8 Bolts - Oil Pan-to-Engine Block and Oil 25 N.m 18 lb ft Oil Pan Skid Plate Bolts 28 N.m 21 lb ft Oil Pressure Sensor 35 N.m 26 lb ft Oil Pump Cover Bolts 12 N.m 106 lb in Oil Pump Relief Valve Plug 12 N.m 106 lb in Oil Pump Screen Nuts 25 N.m 18 lb ft Oil Pump Screen-to-Oil Pump Bolts 12 N.m 106 lb in Oil Pump-to-Engine Block Bolts 25 N.m 18 lb ft Power Steering Pump-to-Engine Block Bolts 50 N.m 37 lb ft Spark Plugs 15 N.m 11 lb ft Throttle Body Bolts 10 N.m 89 lb in Throttle Body Nuts 10 N.m 89 lb in Throttle Body Studs 6 N.m 53 lb in Timing Chain Tensioner Bolts 25 N.m 18 lb ft Transfer Case Vent Hose Bracket Nut 20 N.m 15 lb ft Transmission Housing-to-Engine Bolts/Studs 50 N.m 37 lb ft Transmission Oil Cooler Line Clip Bolt 9 N.m 80 lb in Transmission Oil Level Indicator Tube Nut 18 N.m 13 lb ft Valley Cover Bolts 25 N.m 18 lb ft Valve Lifter Guide Bolts 12 N.m 106 lb in Valve Lifter Oil Manifold Bolts 25 N.m 18 lb ft Valve Rocker Arm Bolts 30 N.m 22 lb ft Valve Rocker Arm Cover Bolts 12 N.m 106 lb in Water Inlet Housing Bolts 15 N.m 11 lb ft Water Pump Bolts - First Pass 15 N.m 11 lb ft Water Pump Bolts - Final Pass 30 N.m 22 lb ft Application Specification Metric English General Engine Type V8
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Displacement 5.3L 325 CID RPO LY5 VIN J Bore 96.0-96.018 mm 3.779-3.78 in Stroke 92.0 mm 3.622 in Compression Ratio 9.95:1 Firing Order 1-8-7-2-6-5-4-3 Active Fuel Management Cylinders 1-4-6-7 Spark Plug Gap 1.02 mm 0.04 in Block Camshaft Bearing Bore 1 and 5 Diameter 59.58-59.63 mm 2.345-2.347 in Camshaft Bearing Bore 2 and 4 Diameter 59.08-59.13 mm 2.325-2.327 in Camshaft Bearing Bore 3 Diameter 58.58-58.63 mm 2.306-2.308 in Crankshaft Main Bearing Bore Diameter 69.871-69.889 mm 2.75-2.751 in Crankshaft Main Bearing Bore Out-of-Round 0.006 mm 0.0002 in Cylinder Bore Diameter 96.0-96.018 mm 3.779-3.78 in Cylinder Head Deck Height - Measuring from 234.57-234.82 mm 9.235-9.245 in Cylinder Head Deck Surface Flatness - 0.11 mm 0.004 in Cylinder Head Deck Surface Flatness - 0.22 mm 0.008 in Valve Lifter Bore Diameter 21.417-21.443 mm 0.843-0.844 in Camshaft Camshaft End Play 0.025-0.305 mm 0.001-0.012 in Camshaft Journal Diameter 54.99-55.04 mm 2.164-2.166 in Camshaft Journal Out-of-Round 0.025 mm 0.001 in Camshaft Lobe Lift - Exhaust - Non Active 7.2 mm 0.283 in
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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