Replace it every 75,000 miles.
Some vehicle manufacturers recommend fuel filter replacement at 30,000 miles. Always replace the fuel filter at the vehicle manufacturer's recommended mileage listed in your owners manual. If you have no manual, replace it at the very least every 36,000 miles, or whenever you replace the fuel pump.
YES it does.
drop pan replace filter reinstall pan
Are you sure it has one? If so, just purchase a Purolator Cabin Filter. It comes with detailed instructions on how to replace it.
You can replace the air filter with a cold air induction.
It is highly recommended.
You don't check it anymore that you check an oil filter. You just replace it at a certain mileage. I replace mine every 50,000 miles. If the filter is built into the fuel tank they you never replace it as it is a permanent filter.
It is usually recommended but not an absolute necessity.
The air filter may be plugged up, replace it.
If you have not done so, replace the plugs, plug wires, air filter, and fuel filter. Also replace all under hood vacuum lines.
There is no way to know for sure. That is why you just replace the filter at a set mileage. I recommend every 50,000 miles.
Yes, the 2004 Chevy Suburban is equipped with a cabin air filter. It helps to filter out dust, pollen, and other airborne particles from the air entering the vehicle's interior. Regular replacement of the cabin air filter is recommended to ensure optimal air quality and HVAC performance.