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DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 666 (ENGINE MECHANICAL - 3.6L - COMPONENT LOCATOR)COMPONENT LOCATORDISASSEMBLED VIEWS
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Disassembled Views
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Disassembled Views
WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 1 | Right Exhaust Manifold Heat Shield Bolt |
| 2 | Right Exhaust Manifold Heat Shield |
| 3 | Right Camshaft Cover Assembly |
| 4 | Ignition Coil Bolt |
| 5 | Ignition Coil |
| 6 | Spark Plug |
| 7 | Fuel Injector Sight Shield Cover |
| 8 | Upper Intake Manifold Cover |
| 9 | Intake Manifold Assembly |
| 10 | Left Camshaft Cover Assembly |
| 11 | Engine Flywheel Bolt |
| 12 | Engine Flywheel |
| 13 | Left Exhaust Manifold Upper Heat Shield |
| 14 | Left Exhaust Manifold Lower Heat Shield |
| 15 | Engine Assembly |
| 16 | Left Exhaust Manifold Heat Shield Bolt |
| 17 | Left Exhaust Manifold Heat Shield |
| 18 | Cylinder Head Exhaust Manifold Bolt |
| 19 | Left Exhaust Manifold |
| 20 | Left Exhaust Manifold Gasket |
| 21 | Oil Pan Assembly |
| 22 | Crankshaft Balancer Bolt |
| 23 | Crankshaft Balancer |
| 24 | Engine Front Cover Assembly |
| 25 | Exhaust Manifold Lower Heat Shield |
| 26 | Exhaust Manifold Lower Heat Shield Bolt |
| 27 | Right Exhaust Manifold Lower Heat Shield |
| 28 | Right Exhaust Manifold Lower Heat Shield Retainers |
| 29 | Right Exhaust Manifold |
| 30 | Right Exhaust Manifold Gasket |
| Callout | Component Name |
|---|---|
| 4 | Engine Short Block Assembly |
| 7 | Left Cylinder Head Assembly |
| 8 | Right Cylinder Head Assembly |
| 13 | Oil Pump Assembly |
| 16 | Oil Filter Adapter Assembly |
| 19 | Timing Drive Assembly |
| 302 | Left Cylinder Head Gasket |
| 303 | Right Cylinder Head Gasket |
| 365 | Engine Cooling Thermostat |
| 366 | Engine Cooling Thermostat Gasket |
| 367 | Engine Cooling Thermostat Housing |
| 368 | Engine Cooling Thermostat Housing Bolt |
| 370 | Engine Cooling Thermostat Lower Housing Bolt |
| 371 | Engine Cooling Thermostat Lower Housing Seal |
| 372 | Engine Cooling Thermostat Seal |
| 373 | Engine Cooling Thermostat Lower Housing |
| 377 | Water Outlet Seal |
| 378 | Water Outlet O-ring |
| 379 | Water Outlet Bolt |
| 380 | Water Outlet |
| 395 | Coolant Pipe |
| 396 | Coolant Pipe O-ring |
| 397 | Coolant Pipe Clamp |
| 398 | Coolant Pipe Bracket Bolt - Large |
| 399 | Coolant Pipe Bracket Bolt - Small |
| 399 | Coolant Pipe Bracket Bolt - Small |
| 430 | Oil Level Indicator |
| 431 | Oil Level Indicator Tube |
| 432 | Oil Level Indicator Tube O-ring |
| 433 | Oil Level Indicator Tube Bolt |
| 434 | Oil Level Indicator Handle O-ring |
| 495 | Water Inlet/Outlet Pipe |
| 496 | Water Inlet/Outlet Pipe O-ring |
| 498 | Water Inlet/Outlet Pipe Bolts |
| 499 | Water Inlet/Outlet Pipe Gaskets |
| 720 | Crankshaft Position Sensor |
| 721 | Crankshaft Position Sensor O-ring |
| 722 | Crankshaft Position Sensor Bolt |
| 723 | Knock Sensor |
| 723 | Knock Sensor |
| 724 | Knock Sensor Bolt |
| 724 | Knock Sensor Bolt |
| Callout | Component Name |
|---|---|
| 250 | Left Camshaft Cover |
| 251 | Left Camshaft Cover Gasket |
| 252 | Right Camshaft Cover |
| 253 | Right Camshaft Cover Gasket |
| 254 | Camshaft Cover Spark Plug Port Seal |
| 254 | Camshaft Cover Spark Plug Port Seal |
| 255 | Camshaft Cover Bolt |
| 255 | Camshaft Cover Bolt |
| 256 | Camshaft Cover Bolt Insulator |
| 256 | Camshaft Cover Bolt Insulator |
| 257 | Ignition Coil Bolt Thread Insert |
| 258 | Oil Fill Cap |
| 259 | Oil Fill O-ring |
| 259 | Oil Fill O-ring |
| 260 | Left Camshaft Cover PCV Fitting |
| 261 | Right Camshaft Cover PCV Fitting Orifice |
| 262 | Oil Fill Tube |
| 263 | Left Camshaft Cover PCV Fitting O-ring |
| 265 | Left Camshaft Housing Cover Insulator |
| 266 | Right Camshaft Housing Cover Insulator |
| 704 | Ignition Coil |
| 704 | Ignition Coil |
| 705 | Ignition Coil Bolt |
| 705 | Ignition Coil Bolt |
| 719 | Spark Plug |
| 719 | Spark Plug |
| Callout | Component Name |
|---|---|
| 1 | Primary Timing Chain Tensioner Bolt |
| 2 | Left Secondary Timing Chain Shoe Bolt |
| 3 | Right Secondary Timing Chain Tensioner |
| 4 | Right Secondary Timing Chain Tensioner Gasket |
| 5 | Right Secondary Timing Chain Shoe |
| 6 | Secondary Timing Chain |
| 7 | Camshaft Position Actuator Bolt |
| 8 | Exhaust Camshaft Position Actuator |
| 9 | Camshaft Position Actuator Thrust Washer |
| 10 | Intake Camshaft Position Actuator |
| 11 | Right Secondary Timing Chain Guide |
| 12 | Left Camshaft Intermediate Drive Shaft Sprocket |
| 13 | Camshaft Intermediate Drive Shaft Sprocket Bolt |
| 14 | Left Secondary Timing Chain Shoe |
| 15 | Left Secondary Timing Chain Tensioner Gasket |
| 16 | Left Secondary Timing Chain Tensioner |
| 17 | Left Secondary Timing Chain Guide |
| 18 | Lower Primary Timing Chain Guide |
| 19 | Lower Primary Timing Chain Guide Bolt |
| 20 | Crankshaft Sprocket |
| 21 | Primary Timing Chain |
| 22 | Right Camshaft Intermediate Drive Shaft Sprocket |
| 23 | Upper Primary Timing Chain Guide |
| 24 | Primary Timing Chain Tensioner Gasket |
| 25 | Primary Timing Chain Tensioner |
| Callout | Component Name |
|---|---|
| 282 | PCV Hose Bolt |
| 282 | PCV Hose Bolt |
| 283 | Dirty PCV Hose |
| 285 | PCV Hose O-ring Outer/Larger |
| 286 | PCV Hose O-ring Inner/Smaller |
| 290 | PCV Hose Right Bracket |
| 291 | PCV Hose Left Bracket |
| 292 | PCV Hose Clip |
| 503 | Upper Intake Manifold |
| 509 | Upper Intake Manifold Bolt - Long |
| 510 | Upper Intake Manifold Bolt - Short |
| 514 | Intake Manifold Brace |
| 515 | Intake Manifold Brace Small Bolt |
| 516 | Intake Manifold Brace Large Bolt |
| 524 | Intake Manifold Cover |
| 525 | Intake Manifold Cover Gasket |
| 526 | Intake Manifold Cover Lower Gasket |
| 527 | Intake Manifold Cover Bolt |
| 532 | Fuel Rail Bolt |
| 560 | Fuel Rail |
| 561 | Fuel Injector |
| 562 | Fuel Injector Retainer |
| 563 | Fuel Injector O-ring Seal |
| 564 | Fuel Injector Teflon Seal |
| 565 | Fuel Pressure Sensor |
| 566 | Fuel Injector Spacer |
| 567 | Fuel Injector Isolator Cup |
| 568 | Fuel Injector Isolator Cup Retaining Ring |
| 594 | Fuel Injector Sight Shield Cover Ball Stud |
| 700 | Fuel Injector Wiring Harness |
| 701 | Throttle Body |
| 702 | Throttle Body Bolt |
| 703 | Throttle Body Gasket |
| 744 | EVAP Purge Solenoid |
| 746 | EVAP Purge Solenoid Bolt |
| 747 | EVAP Purge Solenoid Tube |
| 752 | EVAP Purge Solenoid Bracket |
| 755 | Intake Manifold Tuning Valve |
| 756 | Intake Manifold Tuning Valve O-ring |
| 757 | Intake Manifold Tuning Valve Bolt |
| 765 | Fuel Injector Wiring Harness Bracket |
| 766 | Fuel Injector Wiring Harness Bracket Bolt |
| 776 | BARO Sensor Bolt |
| 777 | BARO Sensor |
| 778 | BARO Sensor O-ring |
| Callout | Component Name |
|---|---|
| 1 | Fuel Pressure Sensor |
| 2 | Fuel Rail Bolt |
| 3 | Fuel Injector Retainer |
| 4 | Fuel Injector O-ring Seal |
| 5 | Fuel Injector Spacer |
| 6 | Fuel Injector |
| 7 | Fuel Injector Teflon Seal |
| 8 | Fuel Injector Isolator Cup |
| 9 | Fuel Injector Isolator Cup Retaining Ring |
| 10 | Fuel Rail |
| Callout | Component Name |
|---|---|
| 300 | Left Cylinder Head |
| 301 | Right Cylinder Head |
| 302 | Left Cylinder Head Gasket |
| 303 | Right Cylinder Head Gasket |
| 310 | Cylinder Head Bolt |
| 311 | Cylinder Head Front Bolt |
| 313 | Cylinder Head Coolant Hole Threaded Plug |
| 318 | Spark Plug Sleeve |
| 319 | Cylinder Head Oil Gallery Expansion Plug - 14 mm |
| 319 | Cylinder Head Oil Gallery Expansion Plug - 14 mm |
| 320 | Exhaust Valve |
| 321 | Intake Valve |
| 322 | Valve Rocker Arm Assembly |
| 323 | Hydraulic Valve Lash Adjuster Assembly |
| 324 | Valve Stem Oil Seal |
| 325 | Valve Spring |
| 326 | Valve Spring Cap |
| 327 | Valve Stem Key |
| 328 | Cylinder Head Camshaft Front Thrust Bearing Cap |
| 328 | Cylinder Head Camshaft Front Thrust Bearing Cap |
| 329 | Camshaft Oil Seal Ring |
| 330 | Left Exhaust Camshaft |
| 331 | Left Intake Camshaft |
| 332 | Right Intake Camshaft |
| 333 | Right Exhaust Camshaft |
| 336 | Cylinder Head Camshaft Cap - Intermediate |
| 337 | Cylinder Head Camshaft Cap Bolt |
| 339 | Cylinder Head Oil Gallery Check Valve |
| 711 | Engine Coolant Temperature Sensor |
| Callout | Component Name |
|---|---|
| 132 | Engine Front Cover Locating Pin |
| 348 | Engine Front Cover Bolt - Long |
| 350 | Engine Front Cover |
| 351 | Engine Front Cover Gasket |
| 352 | Engine Front Cover Bolt |
| 353 | Engine Front Cover Seal |
| 354 | Engine Front Cover Deadener |
| 360 | Water Pump Assembly |
| 361 | Water Pump Bolt |
| 362 | Water Pump Gasket |
| 363 | Water Pump Pulley |
| 364 | Water Pump Pulley Bolt |
| 390 | Crankshaft Balancer |
| 391 | Crankshaft Balancer Bolt |
| 725 | Camshaft Position Sensor |
| 726 | Camshaft Position Sensor O-ring |
| 727 | Camshaft Position Sensor Bolt |
| 732 | Camshaft Position Actuator Solenoid Valve |
| 733 | Camshaft Position Actuator Solenoid Valve Bolt |
| 734 | Camshaft Position Actuator Solenoid Valve Seal |
| Callout | Component Name |
|---|---|
| 151 | Lower Primary Timing Chain Guide |
| 154 | Lower Primary Timing Chain Guide Bolt |
| 463 | Oil Pump Housing |
| 464 | Oil Pump Cover |
| 465 | Oil Pump Driven Gear |
| 466 | Oil Pump Drive Gear |
| 468 | Oil Pump Cover Bolt |
| 470 | Oil Pressure Relief Valve Bore Plug |
| 471 | Oil Pressure Relief Valve Spring |
| 472 | Oil Pressure Relief Valve |
| 474 | Oil Pressure Relief Valve Bore Plug Retainer Clip |
| 475 | Oil Pump Bolt |
| Callout | Component Name |
|---|---|
| 15 | Piston and Connecting Rod Assembly |
| 100 | Engine Block |
| 110 | Crankshaft Bearing Cap |
| 111 | Crankshaft Bearing Thrust Cap |
| 114 | Crankshaft Bearing Cap Inboard Bolt |
| 115 | Crankshaft Bearing Cap Outboard Bolt |
| 116 | Crankshaft Bearing Cap Side Bolt - Short |
| 117 | Crankshaft Bearing Cap Side Bolt - Long |
| 119 | Engine Block Oil Gallery Expansion Plug - 10 mm |
| 120 | Crankshaft |
| 121 | Crankshaft Sprocket Locating Pin |
| 122 | Crankshaft Upper Bearing |
| 123 | Crankshaft Lower Bearing |
| 124 | Crankshaft Upper Thrust Bearing #3 |
| 126 | Engine Block Oil Gallery Expansion Plug - 14 mm |
| 127 | Engine Block Oil Gallery Threaded Plug - 14 mm |
| 127 | Engine Block Oil Gallery Threaded Plug - 14 mm |
| 128 | Engine Block Coolant Drain Threaded Plug - 14 mm |
| 129 | Engine Block Oil Gallery Threaded Plug - 20 mm |
| 130 | Engine Block Core Coolant Expansion Plug - 34.3 mm |
| 131 | Transaxle Locating Pin |
| 133 | Crankshaft Rear Oil Seal Housing Assembly |
| 134 | Crankshaft Rear Oil Seal Housing Assembly Bolt |
| 135 | Oil Pan Locating Pin |
| 137 | Cylinder Head Locating Pin |
| 490 | Piston Oil Nozzle |
| 491 | Piston Oil Nozzle Bolt |
| Callout | Component Name |
|---|---|
| 200 | Connecting Rod |
| 201 | Connecting Rod Bolt |
| 202 | Connecting Rod Bushing |
| 203 | Connecting Rod Bearing |
| 210 | Piston |
| 211 | Piston Pin |
| 212 | Piston Pin Retainer |
| 212 | Piston Pin Retainer |
| 213 | Piston Upper Compression Ring |
| 214 | Piston Lower Compression Ring |
| 215 | Piston Oil Control Rail Ring |
| 216 | Piston Oil Control Ring Spacer |
| Callout | Component Name |
|---|---|
| 400 | Oil Pan |
| 405 | Oil Pump Suction Pipe |
| 406 | Oil Pump Suction Pipe Gasket |
| 407 | Oil Pump Suction Pipe Bolt |
| 407 | Oil Pump Suction Pipe Bolt |
| 410 | Oil Pan Baffle Scraper |
| 411 | Oil Pan Baffle Scraper Bolt |
| 412 | Oil Pan Drain Plug |
| 413 | Oil Pan Drain Plug O-ring |
| 415 | Oil Pan Skid Plate |
| 416 | Oil Pan Skid Plate Bolt |
| 420 | Oil Pan Bolt - Short |
| 421 | Oil Pan Bolt - Medium |
| 422 | Oil Pan Bolt - Long |
| Callout | Component Name |
|---|---|
| 440 | Oil Filter Adapter |
| 441 | Oil Filter Adapter Gasket |
| 442 | Oil Filter Adapter Bolt |
| 443 | Oil Filter Adapter Bolt - Long |
| 446 | Oil Filter Bypass Valve |
| 447 | Oil Filter Adapter Bolt - Large |
| 448 | Oil Filter Adapter Bolt Sleeve |
| 449 | Oil Filter |
| 450 | Oil Filter Cap |
| 451 | Oil Filter Cap O-ring |
| 456 | Oil Filter Bypass Valve Body |
| 458 | Drain Valve Assembly |
| 459 | Drain Valve Assembly Seal |
| 728 | Engine Oil Pressure Sensor |
| 729 | Engine Oil Pressure Sensor O-ring |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.