Section 748 (Engine Mechanical - 3.1L (On-Vehicle)): Specifications
WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | ||
|---|---|---|---|
| Metric | English | ||
| Camshaft Sprocket Bolt | 140 N.m | 103 lb ft | |
| Crankshaft Balancer Bolt | 103 N.m | 76 lb ft | |
| Cylinder Head Bolt (NEW Bolts) | |||
| First Pass | 60 N.m | 44 lb ft | |
| Final Pass | 95 degrees | ||
| Drive Belt Tensioner Bolt | 50 N.m | 37 lb ft | |
| Engine Coolant Temperature (ECT) Sensor | 23 N.m | 17 lb ft | |
| Engine Mount to Engine Mount Bracket Bolt | 58 N.m | 43 lb ft | |
| Engine Mount to Body Nut | 43 N.m | 32 lb ft | |
| Engine Mount to Engine Mount Adapter Plate Nut | 47 N.m | 35 lb ft | |
| Engine Oil Drain Plug | 25 N.m | 18 lb ft | |
| Flywheel Bolt | 83 N.m | 61 lb ft | |
| Flywheel to Torque Converter Bolt | 62 N.m | 46 lb ft | |
| Front Cover Bolt (Large) | 47 N.m | 35 lb ft | |
| Front Cover Bolt (Small) | 21 N.m | 15 lb ft | |
| Fuel Pipe Clip Bolt | 8 N.m | 71 lb in | |
| Lower Intake Manifold Bolt | See Important TSB Revision Information | ||
| Oil Filter Adapter | 29 N.m | 21 lb ft | |
| Oil Level Indicator Tube Bolt | 25 N.m | 18 lb ft | |
| Oil Pan Bolt | 25 N.m | 18 lb ft | |
| Oil Pan (Side) Bolt | 50 N.m | 37 lb ft | |
| Oil Pump Nut | 41 N.m | 30 lb ft | |
| Oil Pump Drive Bolt | 36 N.m | 27 lb ft | |
| Timing Chain Tensioner Dampener Bolt | 21 N.m | 15 lb ft | |
| Transmission to Engine Bolts | 90 N.m | 66 lb ft | |
| Transmission Mount to Frame Bolts/Nuts | 120 N.m | 89 lb ft | |
| Transmission Mount to Transmission Bolt | 130 N.m | 96 lb ft | |
| Upper Intake Manifold Bolt | 25 N.m | 18 lb ft | |
| Valve Lifter Guide Bolt | 10 N.m | 89 lb in | |
| Valve Rocker Arm Bolt | |||
| First Pass | 10 N.m | 89 lb in | |
| Final Pass | 30 degrees | ||
| Valve Rocker Arm Cover Bolt | 10 N.m | 89 lb in | |
| Water Outlet Bolt | 25 N.m | 18 lb ft | |
IMPORTANT:
See TSB For Revised Lower Intake Torque
Engine Mechanical Specifications
| Application | Specification | ||
|---|---|---|---|
| Metric | English | ||
| General Data | |||
| Engine Type | 60° V-6 | ||
| Displacement | 3.1L | 191 cu in | |
| RPO (VIN Code) | LG8 (J) | ||
| Bore | 89 mm | 3.50 in | |
| Stroke | 84 mm | 3.31 in | |
| Compression Ratio | 9.6:1 | ||
| Firing Order | 1-2-3-4-5-6 | ||
| Oil Pressure | 103 kPa | 15 psi @ 1100 RPM | |