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 1515 (MAINTENANCE AND LUBRICATION)SPECIFICATIONSCAPACITIES - APPROXIMATE FLUID
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Capacities - Approximate Fluid
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Capacities - Approximate Fluid
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Fluid Capacities
| Application | Specification | |
|---|---|---|
| Metric | English | |
|
IMPORTANT:
All capacities are approximate. When adding, be sure to fill to the appropriate level, as recommended in this manual.
|
||
| Air Conditioning Refrigerant R134a | 0.79 kg | 1.75 lbs |
| Cooling System | 11.9 L | 12.6 qts |
| Engine Oil with Filter | 6.1 L | 6.5 qts |
| Fuel Tank | 68.0 L | 18.0 gals |
| Rear Axle Differential | ||
|
1.6 L | 1.69 qts |
|
118 ml | 4.0 ounces |
| Transmission Fluid | ||
|
4.7 L | 5.0 qts |
|
10.2 L | 10.8 qts |
|
3.8 L | 4.1 qts |
| Power Steering Approximate | 0.81 L | 1.7 pts |
| Wheel Nut Torque | 140 N.m | 100 lb ft |
Engine Specifications
| Engine | VIN Code | Transmission | Spark Plug Gap | Firing Order |
|---|---|---|---|---|
| LS1 V8 | G | Automatic | 1.0 mm (0.040 in) | 1-8-7-2-6-5-4-3 |
| LS1 V8 | G | Manual | 1.0 mm (0.040 in) | 1-8-7-2-6-5-4-3 |
| LS6 V8 | S | Manual | 1.0 mm (0.040 in) | 1-8-7-2-6-5-4-3 |
Engine Data
| Engine | Horsepower | Torque | Displacement | Compression Ratio |
|---|---|---|---|---|
| LS1 Automatic Transmission | 350 @ 5200 RPM | 360 lb ft @ 4000 RPM | 5.7 L | 10.1:1 |
| LS1 Manual Transmission | 350 @ 5200 RPM | 375 lb ft @ 4400 RPM | 5.7 L | 10.1:1 |
| LS6 | 405 @ 6000 RPM | 400 lb ft @ 4800 RPM | 5.7 L | 10.5:1 |
RENDER: 1.0x
NO RELATED
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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.