Here's a general outline. Specific locations and procedures might vary slightly depending on your exact Grand Prix model, so using a repair manual specific to your year and model is highly recommended. A Haynes or Chilton manual will provide detailed diagrams and instructions.
1. Preparation:
* Gather tools: You'll need screwdrivers (Phillips and possibly flathead), pliers, possibly a socket wrench set, and potentially a helper.
* Obtain the correct replacement cable: Ensure you get the correct accelerator cable for your 1995 Pontiac Grand Prix 3.4L. The part number will be crucial.
* Locate the cable: The accelerator cable runs from the accelerator pedal inside the car to the throttle body on the engine.
2. Removing the Old Cable:
* Access the throttle body: This usually requires removing some air intake components. Consult your repair manual for the precise steps, as this varies depending on the engine setup.
* Disconnect the cable from the throttle body: There's usually a clamp or a lever-type mechanism securing the cable to the throttle body. Carefully release this.
* Disconnect the cable from the accelerator pedal: This is located inside the car, under the dashboard. You'll need to access it by removing some panels or trim. This typically involves removing the pedal assembly cover. Again, your repair manual will guide you through this process. There's usually a retaining clip or bolt.
* Carefully remove the old cable: Keep note of its routing.
3. Installing the New Cable:
* Route the new cable: Carefully follow the path of the old cable. Make sure it doesn't get pinched or kinked.
* Connect the new cable to the accelerator pedal: Reverse the procedure you used to remove the old cable. Make sure it's securely fastened.
* Connect the new cable to the throttle body: Again, reverse the removal procedure. Ensure the cable is properly seated and clamped securely.
4. Testing and Reassembly:
* Reconnect the air intake components: Reassemble any components you removed to access the throttle body.
* Reconnect the battery terminal.
* Test the accelerator: Start the engine and gently depress the accelerator pedal. It should respond smoothly and without sticking. If you have any hesitation or binding, double-check your connections.
* Drive test: Take the car for a short test drive to ensure proper operation. If there's a problem, such as sticking or binding, immediately stop and re-check your work.
Important Considerations:
* Repair Manual: This is absolutely crucial. The steps outlined here are generalized; the specifics will depend on your vehicle.
* Safety: Disconnect the negative battery terminal. Be cautious when working near moving parts.
* Professional Help: If you are not comfortable performing this repair yourself, take your car to a qualified mechanic. Incorrect installation could lead to serious problems, including a malfunctioning throttle, potentially causing accidents.
This is a complex repair. Don't hesitate to consult a professional if you're unsure about any step. Improper installation can lead to dangerous driving conditions. Always prioritize safety.