Here's a general procedure. Specifics may vary slightly depending on your exact Tahoe model and the condition of the fuel lines:
1. Prepare your workspace: Work in a well-ventilated area, away from any ignition sources. Have rags or shop towels ready to absorb any spilled fuel. Consider using safety glasses and gloves.
2. Locate the fuel pump: On a 2000 Tahoe, the fuel pump is typically located inside the fuel tank, requiring tank removal or drop-tank access. Consult a repair manual specific to your year and model for detailed instructions on accessing the pump.
3. Relieve fuel pressure: This is crucial. There are several ways to do this:
* Using the fuel pressure release valve: Some vehicles have a designated valve; consult your repair manual to see if yours does.
* Starting the vehicle and letting it run until it stalls: This method depletes fuel pressure gradually.
* Disconnect the fuel pump relay: This prevents the pump from running. Locate the fuel pump relay in the fuse box (consult your owner's manual) and remove it. Then crank the engine for a few seconds to use up remaining pressure.
4. Once pressure is relieved, disconnect the fuel lines:
* Identify the lines: You'll have at least two lines: a fuel supply line (from the tank to the engine) and a fuel return line (from the engine back to the tank). They are usually marked or easily identifiable by their position.
* Loosen the clamps: Most fuel lines use clamps to secure them to the fuel pump. Use the appropriate pliers (usually line lock pliers) to carefully loosen and remove these clamps.
* Disconnect the lines: Gently wiggle the lines to disconnect them from the pump's fittings. Be prepared for a small amount of fuel to spill. Wipe it up immediately.
5. Remove the fuel pump: Once the lines are disconnected, you can proceed with removing the fuel pump assembly according to your repair manual.
Important Considerations:
* Fuel line material: Fuel lines can be made of various materials, and some are more brittle than others. Be gentle to avoid cracking or breaking them.
* Repair manual: A repair manual specific to your 2000 Chevy Tahoe is highly recommended. It will provide detailed diagrams and instructions specific to your vehicle's make and model, making the process much safer and easier.
* Professional help: If you are not comfortable working with fuel lines and fuel systems, it's always best to take your vehicle to a qualified mechanic. Working with fuel systems incorrectly can be dangerous.
Remember safety is paramount when working with fuel systems. Take your time, be methodical, and don't hesitate to seek professional assistance if needed.