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 1912 (AUTOMATIC TRANSMISSION - 6T75 - INTRODUCTION)COMPONENT LOCATORCOMPONENT LOCATION
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Component Location
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Component Location
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 1 | Manual Shift Detent Lever Assembly (w/Shaft Position Switch) |
| 2 | Trans Fluid Level Indicator |
| 3 | Reaction Carrier Assembly |
| 4 | Output Speed Sensor |
| 5 | Input Carrier Assembly |
| 6 | Output Carrier Assembly |
| 7 | Front Differential Transfer Drive Gear |
| 8 | Front Differential Transfer Drive Gear Support Assembly |
| 9 | Torque Converter Assembly |
| 10 | Park Pawl Actuator Assembly |
| 11 | Fluid Pump Drive Link Assembly |
| 12 | Park Pawl |
| 13 | Front Differential Transfer Driven Gear |
| 14 | Front Differential Drive Pinion Gear |
| 15 | Park Gear |
| 16 | Torque Converter and Support and Fluid Pump Housing Assembly |
| 17 | Front Differential Carrier Assembly |
| 18 | Front Differential Carrier Baffle |
| 19 | Front Differential Ring Gear |
| 20 | Front Differential Drive Pinion Gear Lube Tube |
| 21 | 1-2-3-4 Clutch Assembly |
| 22 | Low and Reverse Clutch Assembly (OWC) |
| 23 | Low and Reverse Clutch |
| 24 | 2-6 Clutch Assembly |
| 25 | 3-5-Reverse Clutch Assembly |
| 26 | 4-5-6 Clutch Assembly |
| 27 | Input Speed Sensor |
| 28 | Case Cover Assembly |
| 29 | Control Valve Body Cover |
| 30 | Input Shaft Speed Sensor Reluctor Wheel |
| 31 | Control Valve Lower Body Assembly |
| 32 | Control Valve Upper Body Assembly |
| 33 | Control Valve Channel Plate Assembly |
| 34 | Control Solenoid Valve Assembly (w/Body and TCM) |
| 35 | Manual Valve |
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.