2004-2008 Acura TL Rear Spoiler: Style Differences, Paint Issues, and Installation

Spoiler Styles for the 2004-2008 Acura TL

The third-generation Acura TL was offered with several distinct factory and dealer-accessory spoiler options. Because the mounting hole patterns differ between styles, it is critical to identify which spoiler you have or want before purchasing a replacement.

Base Model Decklid Spoiler

This is a low-profile "lip" spoiler that sits nearly flush with the trunk lid. It's the most subtle option and was common on standard TL models. It attaches with bolts and double-sided tape. Trunks for these vehicles may or may not be drilled from the factory, as this was often a dealer-installed option.

A-Spec Wing Spoiler

The A-Spec spoiler is a raised "wing" style that stands off the trunk lid on two posts. This was a popular dealer-installed accessory that provided a more aggressive, performance-oriented look. It has its own integrated LED third brake light. Installing this spoiler on a trunk that was not previously equipped with one requires drilling new holes using a specific template.

Type-S Decklid Spoiler

Available on the 2007-2008 TL Type-S, this spoiler is a larger, more pronounced lip spoiler than the one found on the Base model. While it looks similar, it is physically bigger and has a different mounting footprint. It's important to note that the Type-S model has its third brake light located on the trunk lid itself, not within the spoiler. Attempting to fit a Type-S spoiler on a Base model trunk will require drilling new holes.

Common Problems and Symptoms of Failure

Since a spoiler is a static body part, "failure" relates to its physical condition and integrity rather than mechanical operation.

• Peeling Clear Coat and Fading Paint: The most common issue is the degradation of the paint and clear coat. This appears as a hazy or white, peeling layer on top of the color coat, or the color itself may look faded and dull from sun exposure.
• Cracking or Physical Damage: The spoiler can crack from impacts, stress over time, or from being used improperly to close the trunk. Check carefully around the mounting points for stress fractures.
• Water Leaking into Trunk: If the gaskets or seals around the mounting bolts fail, water can seep into the trunk. This often leads to a damp spare tire well and a musty smell. This can be caused by old, dried-out gaskets or improper installation.
• Loose Spoiler: Over time, the combination of bolts and adhesive tape can fail, causing the spoiler to become loose and rattle when the trunk is closed.

Buying a Used 2004-2008 Acura TL Spoiler

A used OEM spoiler is often a great value, especially if you can find one in the correct factory color. Here’s what to look for:

1. Verify the Style and Mounting: First, confirm which style you need (Base, A-Spec, or Type-S). Ask the seller for photos of the underside to see the mounting stud locations. Match these to the holes in your trunk lid or be prepared to drill.
2. Inspect Paint and Clear Coat Condition: This is the most important check. A spoiler with failed paint will need to be completely sanded, primed, and repainted, a job that can cost more than the part itself. Look for any signs of peeling, bubbling, or severe fading.
3. Check for Cracks and Damage: Inspect the entire surface for cracks, deep scratches, or broken pieces, paying close attention to the mounting points where stress is highest.
4. Test the A-Spec Brake Light: If you are buying an A-Spec wing spoiler, ask the seller to confirm that the integrated LED third brake light is functional. Replacing it can be difficult.
5. Ensure Hardware is Included: Ask if the original mounting nuts and any gaskets are included. While you can buy new hardware, getting the original parts saves time and hassle. New gaskets are always recommended to prevent leaks.

Cost Comparison

Installation Overview (Difficulty: 2-4/5)

The installation difficulty depends heavily on whether your trunk lid has pre-drilled holes that match your spoiler.

• Difficulty 2/5 (with existing holes): If you are replacing the same style of spoiler, the process is straightforward. You will need to remove the trunk liner, unbolt the old spoiler, clean the surface, and bolt the new one in place with new gaskets.
• Difficulty 4/5 (drilling required): If your trunk has no holes or the wrong holes, you must use a factory template to mark the correct locations. This requires precise measurement to ensure proper alignment. After marking, you drill pilot holes and then enlarge them to the correct size. All freshly drilled metal must be treated with touch-up paint to prevent rust.

In both cases, it is critical to use new gaskets or a thin bead of clear silicone sealant around the mounting holes to prevent water leaks. The mounting nuts should be torqued to factory specification, which is typically around 7 lb-ft (10 N·m).

Known Issues, Recalls, and TSBs

There are no recalls or Technical Service Bulletins (TSBs) issued by Acura or the NHTSA specifically for the rear spoiler on the 2004-2008 TL. However, there were several major recalls for this vehicle, including for power steering hoses that could leak and cause a fire, and for faulty airbag inflators.

Frequently Asked Questions