* Engine Variation: The proper spark plug gap depends on the specific engine in your Silverado. There are many different engine options for that year.
* Spark Plug Type: The gap also depends on the type of spark plug you're using.
* Manufacturer Recommendations: The most accurate and safe information comes from the manufacturer's specifications.
Here's how to find the correct spark plug gap for your 2004 Silverado:
1. Check your owner's manual: The manual will have a section dedicated to spark plug specifications, including the recommended gap.
2. Consult a reputable repair manual: Repair manuals specific to your Silverado model will provide detailed information on spark plug gaps and other maintenance details.
3. Contact a qualified mechanic: A local mechanic can quickly identify the correct spark plug gap based on your vehicle's VIN or engine information.
Important Note: Using the incorrect spark plug gap can lead to poor engine performance, misfires, and even damage to your engine. Always follow the manufacturer's specifications for optimal results.
