Here's a general outline. Consult a repair manual specific to your 1985 Camaro for detailed instructions and diagrams; this is just a guide. Variations exist between models and trim levels.
1. Safety First:
* Disconnect the battery's negative terminal. This prevents accidental sparks.
* Ventilate the area. Open windows and doors, and if possible, work outdoors.
* Obtain appropriate safety glasses and gloves.
2. Preparation:
* Gather your tools: Sockets (various sizes), wrenches, jack stands, jack, fuel line disconnect tools, safety glasses, gloves, rags, possibly a siphon pump for fuel removal, and a torque wrench.
* Locate the fuel tank: It's usually located under the rear seat area.
* Drain the fuel tank: This is crucial! Use a siphon pump to carefully remove as much fuel as possible into an approved gasoline container. You can also partially drain it through the fuel lines by disconnecting the line from the fuel rail. Never use a shop vac to remove fuel.
3. Accessing the Fuel Tank:
* Raise the rear of the car: Securely support the car with jack stands. Never work under a car supported only by a jack.
* Remove the rear seat: This varies depending on the seat's design but usually involves removing some screws or bolts.
* Remove the access panel(s): There are usually panels or carpeting covering the tank area. Remove these to gain access. You may need to detach some plastic trim pieces.
4. Disconnecting Components:
* Disconnect the fuel lines: Use fuel line disconnect tools to carefully separate the fuel and return lines from the tank. Have rags ready to absorb any spilled fuel. Mark the lines to ensure correct reassembly.
* Disconnect the fuel sender unit: This often involves a electrical connector, and maybe a small lock ring holding the sender in place.
* Disconnect the vent hose: A small hose will likely be connected to the tank's vent.
* Disconnect the tank straps: These secure the tank to the vehicle's frame. You'll need to loosen and remove bolts or nuts.
5. Lowering the Fuel Tank:
* Carefully lower the tank: It may be heavy; take precautions. A helper can be very useful here.
* Support the tank: Once clear of its mounting points, support the tank to prevent it from swinging or dropping.
6. Fuel Pump Replacement:
* Access the fuel pump: Depending on the design, you might need to remove the top of the fuel tank or access it from an access hole.
* Remove the old fuel pump: Follow the instructions that came with the new fuel pump.
* Install the new fuel pump: Ensure the new pump is correctly installed and seated.
* Reassemble the tank: reverse the process of removal
7. Reinstallation:
* Raise the tank back into position: Again, a helper is helpful.
* Reconnect all components: Ensure all connections are tight and secure. Pay close attention to the fuel lines, ensuring correct routing and secure connections.
* Lower the car: Carefully lower the car from the jack stands.
* Reconnect the battery: Don't forget to connect the negative terminal back to the battery.
* Check for leaks: Carefully inspect all connections for fuel leaks.
* Test the fuel system: Start the car and let it run for a few minutes to verify proper function.
Important Considerations:
* Repair Manual: A Chilton's or Haynes manual for your specific 1985 Camaro is highly recommended. The exact procedure will vary slightly depending on the model.
* Fuel Pressure: After the pump is installed, you'll likely need to prime the system and bleed out any air in the lines before starting the car.
* Safety: This job involves working with fuel. Safety should be your highest priority.
If you are not comfortable performing this repair yourself, take your car to a qualified mechanic. Replacing a fuel pump incorrectly can lead to serious issues.
