2002 Chevy Trailblazer 4.2 Engine Specs
The 2002 Chevy Trailblazer is a popular SUV known for its powerful performance and reliability. One of the key factors contributing to its impressive performance is its 4.2-liter engine. In this article, we will delve into the engine specifications, configuration, engine oil specs, and service intervals of the 2002 Chevy Trailblazer’s 4.2 engine.
Engine Configuration
The 2002 Chevy Trailblazer is equipped with a 4.2-liter inline-six engine. This engine configuration is known for its smooth operation and excellent torque delivery. The inline-six design offers better balance and reduced vibrations compared to other engine configurations, resulting in a more refined driving experience.
Engine Oil Specs
Proper engine oil is crucial for maintaining the performance and longevity of any engine, including the 4.2-liter engine in the 2002 Chevy Trailblazer. Here are the recommended engine oil specifications for this engine:
– Oil Type: The 2002 Chevy Trailblazer’s 4.2 engine requires a high-quality synthetic or conventional engine oil with a viscosity of 5W-30.
– Oil Capacity: The engine oil capacity for this engine is approximately 7.0 quarts (6.6 liters).
– Oil Filter: It is important to use a high-quality oil filter that is compatible with the 4.2-liter engine to ensure proper filtration and protection against contaminants.
Service Intervals
Regular maintenance is essential to keep the 2002 Chevy Trailblazer’s 4.2 engine running smoothly. Here are the recommended service intervals for various engine components:
– Engine Oil Change: It is recommended to change the engine oil and oil filter every 3,000 to 5,000 miles (or as recommended by the manufacturer).
– Air Filter Replacement: The air filter should be inspected regularly and replaced every 12,000 to 15,000 miles (or as recommended by the manufacturer).
– Spark Plug Replacement: The spark plugs should be replaced every 100,000 miles (or as recommended by the manufacturer).
– Coolant Flush: The coolant should be flushed and replaced every 100,000 miles (or as recommended by the manufacturer).
– Timing Belt Replacement: The timing belt should be replaced every 100,000 miles (or as recommended by the manufacturer).
Detailed Engine Specifications
To provide a comprehensive overview of the 2002 Chevy Trailblazer’s 4.2 engine, here are the detailed engine specifications:
| Engine Type | 4.2-liter Inline-Six |
|---|---|
| Displacement | 4.2 liters (256 cubic inches) |
| Valvetrain | DOHC (Dual Overhead Camshaft) |
| Horsepower | 270 hp @ 6000 rpm |
| Torque | 275 lb-ft @ 3600 rpm |
| Bore x Stroke | 3.66 inches x 4.02 inches |
| Compression Ratio | 10.1:1 |
| Fuel System | Sequential Fuel Injection |
| Fuel Type | Regular Unleaded |
These specifications highlight the impressive power and performance capabilities of the 2002 Chevy Trailblazer’s 4.2-liter engine. Whether you’re tackling tough terrains or cruising on the highway, this engine is designed to deliver a thrilling driving experience.
In conclusion, the 2002 Chevy Trailblazer’s 4.2 engine is a remarkable powertrain that offers a winning combination of performance, reliability, and efficiency. By adhering to the recommended engine oil specs and service intervals, you can ensure that this engine continues to perform at its best for years to come.
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