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Content .. 1866 1867 1868 1869 ..
Compression Ring - Service in Piston Ring-to-Groove Clearance - Second 0.04-0.078 mm 0.00157-0.0031 in Piston Ring-to-Groove Clearance - Second 0.04-0.078 mm 0.00157-0.0031 in Piston Ring-to-Groove Clearance - Oil Control 0.012-0.2 mm 0.0005-0.0078 in Piston Ring-to-Groove Clearance - Oil Control 0.012-0.2 mm 0.0005-0.0078 in Pistons and Pins Pin - Piston Pin Clearance-to-Piston Pin Bore - 0.002-0.01 mm 0.00008-0.0004 in Pin - Piston Pin Clearance-to-Piston Pin Bore - 0.002-0.015 mm 0.00008-0.0006 in Pin - Piston Pin Diameter 23.952-23.955 mm 0.943-0.943 in Pin - Piston Pin Fit in Connecting Rod Bore - 0.007-0.02 mm 0.00027-0.00078 in Pin - Piston Pin Fit in Connecting Rod Bore - 0.007-0.022 mm 0.00027-0.00086 in Piston - Piston Diameter - Measured Over 96.002-96.036 mm 3.779-3.78 in Piston - Piston to Bore Clearance - Production -0.036 to +0.016 mm -0.0014 to +0.0006 in Piston - Piston to Bore Clearance - Service 0.071 mm 0.0028 in Valve System Valves - Valve Face Angle 45 degrees Valves - Valve Face Width 1.25 mm 0.05 in Valves - Valve Lash Net Lash - No Adjustment Valve Lift - Exhaust 12.72 mm 0.501 in Valve Lift - Intake 12.72 mm 0.501 in Valves - Valve Seat Angle 46 degrees 0.05 mm 0.002 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
ENGINE CONTENT SPECIFICATIONS Valves - Valve Seat Runout Valves - Valve Seat Width - Exhaust 1.78 mm 0.07 in Valves - Valve Seat Width - Intake 1.02 mm 0.04 in Valves - Valve Stem Diameter - Production 7.955-7.976 mm 0.313-0.314 in Valves - Valve Stem Diameter - Service 7.95 mm 0.313 in Valves - Valve Stem-to-Guide Clearance - 0.025-0.066 mm 0.001-0.0026 in Valves - Valve Stem-to-Guide Clearance - 0.093 mm 0.0037 in Valves - Valve Stem-to-Guide Clearance - 0.025-0.066 mm 0.001-0.0026 in Valves - Valve Stem-to-Guide Clearance - 0.093 mm 0.0037 in Rocker Arms - Valve Rocker Arm Ratio 1.70:1 Valve Springs - Valve Spring Free Length 52.9 mm 2.08 in Valve Springs - Valve Spring Installed Height 45.75 mm 1.8 in Valve Springs - Valve Spring Load - Closed 340 N at 45.75 mm 76 lb at 1.8 in Valve Springs - Valve Spring Load - Open 980 N at 33.55 mm 220 lb at 1.32 in RPO VIN Displacement Camshaft Position (CMP) Actuator Control System Active Fuel Management Control System E85 Capable Block Material LY2 C 4.8L No No No Iron LH6 M 5.3L No Yes No Aluminum LMG 0 5.3L No Yes Yes Iron LC9 3 5.3L No Yes Yes Aluminum LY5 J 5.3L No Yes No Iron
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
SEALERS, ADHESIVES, AND LUBRICANTS THREAD REPAIR SPECIFICATIONS Engine Block - Front/Rear Views LY6 K 6.0L Yes No No Iron L76 Y 6.0L Yes Yes No Aluminum L92 8 6.2L Yes No No Aluminum Application Type of Material GM Part Number United States Canada Coolant Temperature Sensor Threads Sealant 12346004 10953480 Cylinder Head Core Hole Plug Threadlock 12345382 10953489 Cylinder Head Plug Threadlock 12345382 10953489 Engine Block Coolant Drain Hole Plug Sealant 12346004 10953480 Engine Block Front Oil Gallery Plug Threadlock 12345382 10953489 Engine Block Oil Gallery Plug Sealing Sealant 12346004 10953480 Engine Oil Pressure Sensor Threads Sealant 12346004 10953480 Engine Oil Supplement Fluorescent Dye 12345795 10953470 Exhaust Manifold Bolts Threadlock 12345493 10953488 Flywheel/Flex Plate Bolts Threadlock 12345382 10953489 Fuel Injection Fuel Rail Bolts Threadlock 12345382 10953489 Ignition Coil Bracket-to-Valve Cover Threadlock 12345382 10953489 Ignition Coil-to-Bracket Bolts Threadlock 12345382 10953489 Intake Manifold Bolts Threadlock 12345382 10953489 Oil Pan Oil Gallery Plug Threads Sealant 12346004 10953480 Oil Pan Surface at Front Cover and Rear Sealant 12378521 88901148 Thread Repair Component Cleaner Cleaner 12346139 10953463 Thread Repair Component Cleaner Cleaner 12377981 10953463 Thread Repair Cutting Oil Lubricant 1052864 992881
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
Fig. 1: Engine Block - Front/Rear Views Engine Block - Front/Rear Views Hole Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth - Maximum mm (in) Tap Depth - Maximum mm (in) J 42385- 1 M8 x 1.25 210 206 207 208 209 22.5 (0.885) 17.5 (0.688) 2 M10 x 1.5 215 211 212 213 214 27.5 (1.08) 22.0 (0.866) 3 M10 x 1.5 215 211 212 213 214 Thru Thru 4 M8 x 1.25 210 206 207 208 209 Thru Thru 5 M10 x 1.5 215 211 212 213 214 25.0 (0.984) 19.5 (0.767) 6 M10 x 1.5 215 211 212 213 214 32.5 (1.279) 25.0 (0.984) 7 M10 x 1.5 215 211 212 213 214 Thru Thru Bolt hole 6 is drilled and tapped for aluminum block applications only.
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
Content .. 1866 1867 1868 1869 ..
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