Safety Warning
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 VARIANT/TRIMSECTION 17 (TRANSFER CASE - BW 4473-NP3)COMPONENT LOCATORTRANSFER CASE DISASSEMBLED VIEW
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Transfer Case Disassembled View
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Transfer Case Disassembled View
WARNING: This page is about a different variant/trim than selected.
| Callout | Component Name |
|---|---|
| 1 | Adapter Stud |
| 2 | Front Case Half |
| 3 | Locating Pin |
| 4 | Rear Output Shaft Bearing Outer Retaining Ring |
| 5 | Rear Case Half |
| 6 | Wiring Harness Bracket |
| 7 | Vehicle Speed Sensor (VSS) |
| 8 | VSS O-Ring |
| 9 | Rear Output Shaft Bushing |
| 10 | Rear Output Shaft Seal |
| 11 | Oil Fill Plug |
| 12 | Case Half Bolt |
| 13 | Oil Drain Plug |
| 14 | Locating Pin |
| 15 | Front Output Shaft Seal |
| 16 | Vent |
| 17 | Input Shaft Seal |
| Callout | Component Name |
|---|---|
| 1 | Planetary Carrier Front Thrust Washer |
| 2 | Planetary Pinion Gear Thrust Washer |
| 3 | Planetary Pinion Gear |
| 4 | Planetary Pinion Gear Thrust Washer |
| 5 | Planetary Pinion Gear Shaft |
| 6 | Planetary Carrier Rear Thrust Washer |
| 7 | Input Shaft Rear Support Bearing |
| 8 | Rear Output Shaft |
| 9 | Annulus Gear |
| 10 | Annulus Gear Retaining Ring |
| 11 | Rear Output Shaft Bearing |
| 12 | Rear Output Shaft Bearing Retaining Ring |
| 13 | Speed Reluctor Wheel |
| 14 | Rear Output Shaft Shipping Seal |
| 15 | Sun Gear Bushing |
| 16 | Sun Gear |
| 17 | Viscous Coupling |
| 18 | Drive Sprocket |
| 19 | Driven Sprocket |
| 20 | Front Output Shaft |
| 21 | Front Output Shaft Cup Plug |
| 22 | Front Output Shaft Rear Bearing |
| 23 | Drive Chain |
| 24 | Front Output Shaft Front Bearing |
| 25 | Sun Gear Bearing |
| 26 | Oil Restrictor |
| 27 | Input Shaft |
| 28 | Input Shaft Bushing |
| 29 | Oil Scoop |
RENDER: 1.0x
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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.