At a Glance
- Replacing a broken taillight is a relatively straightforward DIY task that can save you money compared to going to a mechanic.
- The taillight assembly is located on the rear of the vehicle, near the tailgate.
- These screws may be located on the inside of the taillight housing, along the edge of the taillight, or behind the taillight.
The taillights of your 2017 GMC Terrain play a crucial role in road safety, ensuring other drivers can see you clearly, especially during low-light conditions. Over time, these lights can become damaged due to accidents, wear and tear, or simply age. Replacing a broken taillight is a relatively straightforward DIY task that can save you money compared to going to a mechanic. This guide will walk you through the process of changing a taillight in your 2017 GMC Terrain.
Gathering Your Tools and Materials
Before you begin, ensure you have the following tools and materials readily available:
- New taillight assembly: This is the most important item. Make sure you purchase the correct taillight assembly for your 2017 GMC Terrain model.
- Phillips screwdriver: You’ll need a Phillips screwdriver to remove the taillight screws.
- Torx screwdriver: Some 2017 GMC Terrain models may require a Torx screwdriver.
- Socket wrench (optional): If your taillight has a socket-style fastener, you’ll need a socket wrench.
- Shop towel or rag: This will help you keep your work area clean and prevent scratches on your vehicle.
- Work gloves (optional): Gloves can protect your hands from dirt and grime.
Preparing Your Vehicle
The first step is to prepare your vehicle for the taillight replacement. This involves:
1. Park your vehicle on a level surface: This will ensure stability and prevent the vehicle from rolling.
2. Engage the parking brake: This will prevent the vehicle from moving while you work.
3. Turn off the ignition: This will prevent any electrical hazards.
4. Open the tailgate: This will provide easier access to the taillight assembly.
Removing the Old Taillight Assembly
Once you’ve prepared your vehicle, you can start removing the old taillight assembly:
1. Locate the taillight assembly: The taillight assembly is located on the rear of the vehicle, near the tailgate.
2. Identify the screws: The taillight assembly is typically held in place by a few screws. These screws may be located on the inside of the taillight housing, along the edge of the taillight, or behind the taillight.
3. Remove the screws: Use your Phillips screwdriver to remove the screws holding the taillight assembly in place.
4. Gently pull the taillight assembly away from the vehicle: Once the screws are removed, you should be able to gently pull the taillight assembly away from the vehicle.
Installing the New Taillight Assembly
Now that the old taillight assembly is removed, you can install the new one:
1. Align the new taillight assembly: Make sure the new taillight assembly is properly aligned with the mounting holes on the vehicle.
2. Insert the screws: Use your Phillips screwdriver to insert the screws that hold the new taillight assembly in place.
3. Tighten the screws: Tighten the screws securely, but do not overtighten.
4. Test the new taillight assembly: Turn on the vehicle’s headlights and taillights to ensure the new taillight assembly is working properly.
Final Steps and Troubleshooting
After installing the new taillight assembly, there are a few final steps to ensure a successful replacement:
1. Close the tailgate: Make sure the tailgate is securely closed.
2. Clean up any debris: Remove any tools or debris from the work area.
If you encounter any problems during the installation process, here are some common troubleshooting tips:
- Make sure the new taillight assembly is compatible with your vehicle: If you purchased the wrong taillight assembly, it will not fit properly.
- Check the wiring: If the new taillight assembly is not working, check the wiring to ensure it is properly connected.
- Consult your owner’s manual: Your owner’s manual may have additional information or troubleshooting tips specific to your 2017 GMC Terrain.
The Final Touches: Ensuring a Safe and Secure Outcome
Replacing a taillight in your 2017 GMC Terrain is a relatively simple task that can be done by most DIY enthusiasts. However, it’s essential to pay attention to detail and ensure the new taillight is properly installed and functioning correctly. By following these steps and taking the necessary precautions, you can restore your vehicle’s safety and visibility on the road.
Top Questions Asked
Q: Can I replace just the bulb instead of the entire taillight assembly?
A: In some cases, you might be able to replace just the bulb. However, for the 2017 GMC Terrain, the taillight assembly is typically an integrated unit, meaning the bulb and housing are combined. Replacing just the bulb would require taking apart the assembly, which is not recommended as it can damage the unit.
Q: What if the new taillight assembly doesn‘t match the color of my existing taillights?
A: It’s crucial to choose a taillight assembly that matches the color and style of your existing taillights. If you need a different color, you can purchase a matching assembly or have your new assembly painted to match.
Q: How do I know if the taillight assembly is compatible with my 2017 GMC Terrain?
A: When purchasing a new taillight assembly, ensure it’s specifically designed for the 2017 GMC Terrain model and trim level. You can check the product description, part numbers, or contact the seller to confirm compatibility.
Q: What if the new taillight assembly doesn‘t work after installation?
A: If the new taillight assembly isn‘t working, double-check the wiring connections and ensure they are secure. If the problem persists, you may need to consult a mechanic to diagnose and fix the issue.
Q: How often should I check my taillights for damage or malfunction?
A: It’s a good practice to regularly check your taillights for damage or malfunction, especially after any bumps or accidents. You can also have them inspected during routine vehicle maintenance.