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 MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 989 (POWER STEERING SYSTEM)COMPONENT LOCATORPOWER STEERING GEAR DISASSEMBLED VIEW (700 GEAR)
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Power Steering Gear Disassembled View (700 Gear)
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Power Steering Gear Disassembled View (700 Gear)
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 1 | Retaining Ring |
| 2 | Plug |
| 3 | O-ring Seal |
| 4 | Side Cover |
| 5 | Adjuster Lock Nut |
| 6 | Bolt |
| 7 | Gasket |
| 8 | Pitman Shaft |
| 9 | Steering Gear Housing End Plug |
| 10 | Teflon Ring |
| 11 | O-ring Seal |
| 12 | Rack Piston |
| 13 | Balls |
| 14 | Ball Guide |
| 15 | Clamp |
| 16 | Screw |
| 17 | Housing |
| 18 | Check Valve |
| 19 | Flat Race |
| 20 | Thrust Bearing |
| 21 | Flat Race |
| 22 | Worm Shaft |
| 23 | Needle Bearing |
| 24 | Pitman Shaft Seal |
| 25 | Backup Washer |
| 26 | Retaining Ring |
| 27 | Dust Seal |
| 28 | Pitman Shaft Boot |
| 29 | Pitman Shaft Arm |
| 30 | Lock Washer |
| 31 | Nut |
| 32 | Seal |
| 33 | Stub Shaft |
| 34 | Valve Spool |
| 35 | Seal |
| 36 | Valve Body |
| 37 | O-ring Seal |
| 38 | Valve Body Ring |
| 39 | O-ring Seal |
| 40 | Valve Body Ring |
| 41 | O-ring Seal |
| 42 | Valve Body Ring |
| 43 | Coupling Shield Retainer and Lock Nut |
| 44 | Adjuster Nut Assembly |
| 45 | O-ring Seal |
| 46 | Thrust Support Assembly |
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.