Ignition System Specifications
| Application | Specification |
|---|
| Metric | English |
| Ignition Type | Module/Coil Per Cylinder |
| Firing Order | 1-2-7-3-4-5-6-8 |
| Primary Coil Current | 10 Amps |
| Spark Plug Torque | 15N.m | 11 lb ft |
| Spark Plug Gap | 1.27 mm | 0.050 in |
| Spark Plug Type | GM 12571535 |
| Initial spark plug torque on a new cylinder head is 20 N.m (15 lb ft) |
Fastener Tightening Specifications
| Application | Specification |
|---|
| Metric | English |
| Accelerator Pedal Position (APP) Sensor Mounting Nut | 9 N.m | 80 lb in |
| Air Cleaner Assembly Bolts | 10 N.m | 89 lb in |
| Air Cleaner Assembly Cover Screws | 3 N.m | 27 lb in |
| Air Cleaner Outlet Duct Clamps | 3 N.m | 27 lb in |
| Camshaft Position (CMP) Actuator Solenoid Bolt | 8 N.m | 71 lb in |
| Camshaft Position (CMP) Sensor Bolt | 10 N.m | 89 lb in |
| Crankshaft Position (CKP) Sensor Bolt | 10 N.m | 89 lb in |
| Engine Control Module (ECM) Nut | 8 N.m | 71 lb in |
| Engine Coolant Temperature (ECT) Sensor | 20 N.m | 15 lb ft |
| Evaporative Emission (EVAP) Canister Nut | 6 N.m | 53 lb in |
| Evaporative Emission (EVAP) Canister Purge Valve Bolt | 12 N.m | 106 lb in |
| Fuel Filler Tube Bolt | 3.5 N.m | 31 lb in |
| Fuel Filler Tube Brace Bolt | 9 N.m | 80 lb in |
| Fuel Filler Tube Hose Clamp | 3.5 N.m | 31 lb in |
| Fuel Filter Bracket Bolt | 9 N.m | 80 lb in |
| Fuel Filter Outlet Fitting | 30 N.m | 22 lb ft |
| Fuel Injector Sight Shield Bracket Nut | 10 N.m | 89 lb in |
| Fuel Rail Stud | 10 N.m | 89 lb in |
| Fuel Tank Strap Bolt | 50 N.m | 37 lb ft |
| Heated Oxygen Sensor (HO2S) | 42 N.m | 31 lb ft |
| Ignition Coil Bolt | 10 N.m | 89 lb in |
| Ignition Module Assembly Bolt | 10 N.m | 89 lb in |
| Knock Sensor (KS) Bolt | 20 N.m | 15 lb ft |
| Lower Shock Bolt | 150 N.m | 111 lb ft |
| Manifold Absolute Pressure (MAP) Sensor Bracket Bolt | 12 N.m | 106 lb in |
| Mass Air Flow Sensor Screw | 4 N.m | 35 lb in |
| Rear Frame Bolt | 265 N.m | 195 lb ft |
| Spark Plug | 20 N.m | 15 lb ft |
| Throttle Body Bolt | 10 N.m | 89 lb in |
| Transmission Support Bolt | 60 N.m | 44 lb ft |
Scheme 53
Scheme 53: Evaporative Emissions Hose Routing Diagram
| Callout | Component Name |
|---|
| 1 | EVAP Canister Purge Solenoid Valve |
| 2 | EVAP Canister |
| 3 | Fuel Fill Neck/Fill Cap |
| 4 | Rollover Valve/Fuel Tank Pressure (FTP) Sensor |
| 5 | Fuel Tank |
| 6 | EVAP Canister Vent Solenoid Valve |
| 7 | Vent Hose/Pipe |
| 8 | EVAP Vapor Pipe |
| 9 | EVAP Purge Pipe |
| 10 | EVAP Service Port |
Scheme 54
Scheme 54: Fuel Hose/Pipes Routing Diagram
| Callout | Component Name |
|---|
| 1 | Jet Pump and Fuel Sender Assembly |
| 2 | Fuel Pump and Fuel Sender Assembly |
| 3 | Fuel Feed Hose |
| 4 | Fuel Feed Pipe |
| 5 | Fuel Rail and Injectors |
| 6 | Fuel Pressure Test Connection |
| 7 | Fuel Filter |
| 8 | Fuel Return Hose |
| 9 | Fuel Filler Tube |
| 10 | Fuel Tank Pressure (FTP) Sensor |
| 11 | Fuel Level Vent Valve (FLVV) |
| 12 | Fuel Tank |
Scheme 55
Scheme 55: Engine Controls Schematics
Scheme 56
Scheme 57
Scheme 58
Scheme 59
Scheme 60
Scheme 61
Scheme 62
Scheme 63
Scheme 64
Scheme 65
Scheme 66
Scheme 67
