Fastener Tightening Specifications (6.2L LS3)
WARNING: This page is about a different variant/trim than selected.
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Camshaft Position (CMP) Sensor Bolt | 12 N.m | 106 lb in |
| CMP Sensor Wire Harness Bolt | 12 N.m | 106 lb in |
| Camshaft Retainer Bolts - Hex Head Bolts | 25 N.m | 18 lb ft |
| Camshaft Retainer Bolts - TORX® Head Bolts | 15 N.m | 11 lb ft |
| Camshaft Sprocket Bolt - First Pass | 75 N.m | 55 lb ft |
| Camshaft Sprocket Bolt - Final Pass | 50 degrees | |
| Clutch Pressure Plate Bolts | 70 N.m | 52 lb ft |
| Connecting Rod Bolts - First Pass | 20 N.m | 15 lb ft |
| Connecting Rod Bolts - Final Pass | 85 degrees | |
| Coolant Air Bleed Pipe Bolts | 12 N.m | 106 lb in |
| Coolant Temperature Sensor | 20 N.m | 15 lb ft |
| Crankshaft Balancer Bolt - Step 1 | 150 N.m | 111 lb ft |
| Crankshaft Balancer Bolt - Step 2 | Loosen 360 degrees | |
| Crankshaft Balancer Bolt - Step 3 | 50 N.m | 37 lb ft |
| Crankshaft Balancer Bolt - (with Flanged Head) Final Step | 125 degrees | |
| Crankshaft Balancer Bolt - (with Retained Rotating Washer) Final Step | 200 degrees | |
| Crankshaft Bearing Cap M10 Bolts - First Pass in Sequence | 20 N.m | 15 lb ft |
| Crankshaft Bearing Cap M10 Bolts - Final Pass in Sequence | 80 degrees | |
| Crankshaft Bearing Cap M10 Studs - First Pass in Sequence | 20 N.m | 15 lb ft |
| Crankshaft Bearing Cap M10 Studs - Final Pass in Sequence | 51 degrees | |
| Crankshaft Bearing Cap M8 Bolts (1-5) - First Pass | 20 N.m | 15 lb ft |
| Crankshaft Bearing Cap M8 Bolts (1-5) - Final Pass | 30 N.m | 22 lb ft |
| Crankshaft Bearing Cap M8 Bolts (6-10) - First Pass | 20 N.m | 15 lb ft |
| Crankshaft Bearing Cap M8 Bolts (6-10) - Final Pass | 30 N.m | 22 lb ft |
| 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 |
| Cylinder Head M11 Bolts - First Pass in Sequence | 30 N.m | 22 lb ft |
| Cylinder Head M11 Bolts - Second Pass in Sequence | 90 degrees | |
| Cylinder Head M11 Bolts - Final Pass in Sequence | 70 degrees | |
| Cylinder Head M8 Bolts - in Sequence | 30 N.m | 22 lb ft |
| Cylinder Head Coolant Plug | 20 N.m | 15 lb ft |
| Engine Block Coolant Drain Hole Plug | 60 N.m | 44 lb ft |
| Engine Block Oil Gallery Plug | 60 N.m | 44 lb ft |
| Engine Oil Cooler Coolant Hose Bracket-to-Oil Pan | 25 N.m | 18 lb ft |
| Engine Oil Cooler Coolant Hose Connector-to-Cooler Housing | 35 N.m | 26 lb ft |
| Engine Oil Cooler Core-to-Housing Bolts | 25 N.m | 18 lb ft |
| Engine Oil Cooler-to-Oil Pan M6 Bolts | 10 N.m | 89 lb in |
| Engine Oil Cooler-to-Oil Pan M8 Bolts | 25 N.m | 18 lb ft |
| Evaporative Emission (EVAP) Canister Purge Solenoid Valve Bolt | 50 N.m | 37 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 Stud | 20 N.m | 15 lb ft |
| Flywheel Bolts - First Pass | 20 N.m | 15 lb ft |
| Flywheel Bolts - Second Pass | 50 N.m | 37 lb ft |
| Flywheel Bolts - Final Pass | 100 N.m | 74 lb ft |
| Front Cover Bolts | 25 N.m | 18 lb ft |
| Fuel Injection Fuel Rail Bolts | 10 N.m | 89 lb in |
| Ignition Coil Bracket-to-Valve Rocker Arm Cover Stud | 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 |
| 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 |
| Motor Mount Bracket Bolts | 50 N.m | 37 lb ft |
| Oil Filter | 30 N.m | 22 lb ft |
| Oil Filter Fitting | 55 N.m | 40 lb ft |
| Oil Level Indicator Tube Bolt | 25 N.m | 18 lb ft |
| Oil Level Sensor | 13 N.m | 115 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 Drain Plug | 25 N.m | 18 lb ft |
| Oil Pan M6 Bolts - Oil Pan-to-Rear Oil Seal Housing | 12 N.m | 106 lb in |
| Oil Pan M8 Bolts - Oil Pan-to-Engine Block and Oil Pan-to-Front Cover | 25 N.m | 18 lb ft |
| Oil Pressure Relief Valve - In Oil Pan | 27 N.m | 20 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 Bolt | 12 N.m | 106 lb in |
| Oil Pump-to-Engine Block Bolts | 25 N.m | 18 lb ft |
| Spark Plugs | 15 N.m | 11 lb ft |
| Throttle Body Bolts | 10 N.m | 89 lb in |
| Timing Chain Tensioner Bolts | 30 N.m | 22 lb ft |
| Valley Cover Bolts | 25 N.m | 18 lb ft |
| Valve Lifter Guide Bolts | 12 N.m | 106 lb in |
| 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 |