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 1776 (AUTOMATIC TRANSMISSION - 5AT - INTRODUCTION (2 OF 2))SPECIFICATIONSRANGE REFERENCE
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Range Reference
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Range Reference
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Range Reference
| Range | Gear | Shift Sol. A |
Shift Sol. B |
Shift Sol. C |
1st 1-Way Clutch |
Coast Clutch |
2nd Clutch |
3rd Clutch |
4th Clutch |
5th Clutch |
Servo Valve |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Park | N | OFF | ON | OFF | - | - | - | - | - | - | RVS |
| R | R | OFF | ON | OFF | - | - | - | - | - | - | RVS |
| R | OFF | ON | ON | - | - | - | - | - | - | RVS | |
| N | ON | ON | ON | - | - | - | - | - | - | FWD | |
| N | N | OFF | ON | OFF | - | - | - | - | - | - | FWD/RVS |
| D/I | 1 | ON | ON | ON | APPLIED | - | A** | - | - | - | FWD |
| 1-2 | ON | ON | ON | APPLIED* | - | A | - | - | - | FWD | |
| 2 | ON | ON | OFF | APPLIED* | - | APPLIED | - | - | - | FWD | |
| 2-3 | OFF | ON | OFF | APPLIED* | - | A | B | - | - | FWD | |
| 3 | OFF | ON | ON | APPLIED* | - | - | APPLIED | - | - | FWD | |
| 3-4 | OFF | OFF | ON | APPLIED* | - | - | B | A | - | FWD | |
| 4 | OFF | OFF | OFF | APPLIED* | - | - | - | APPLIED | - | FWD | |
| 4-5 | ON | OFF | OFF | APPLIED* | - | - | - | A | B | FWD | |
| 5 | ON | OFF | ON | APPLIED* | - | - | - | - | APPLIED | FWD | |
| L | 1 | ON | ON | ON | APPLIED | B | A** | - | - | - | FWD |
| 1-2 | ON | ON | ON | APPLIED* | B | A | - | - | - | FWD | |
| 2 | ON | ON | OFF | APPLIED* | - | APPLIED | - | - | - | FWD | |
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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.