1. Introduction
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your GoolRC WLtoys 184008 Brushless RC Car. Please read this manual thoroughly before operating the vehicle to ensure proper function and longevity.
The GoolRC WLtoys 184008 is a 1:18 scale, 4-wheel drive (4WD) remote control monster truck designed for high-speed performance. It features a powerful brushless motor, durable zinc alloy gears, and bright LED lighting for enhanced visibility.

Figure 1: GoolRC WLtoys 184008 Brushless RC Car and accessories.
2. Setup
2.1. Battery Installation and Charging
The RC car requires 7.4V 1200mAh batteries. The remote control requires its own batteries (typically AA or AAA, check remote for specific type).
- Car Battery: Carefully open the battery compartment on the RC car. Insert the provided 7.4V 1200mAh battery, ensuring correct polarity. Secure the compartment cover.
- Charging Car Battery: Connect the car battery to the provided charger. Plug the charger into a suitable power source. The charging time is approximately 2.5 hours. Do not overcharge the battery.
- Remote Control Battery: Open the battery cover on the back of the remote control. Insert the required batteries (e.g., 2x AA) with correct polarity. Close the cover.

Figure 2: Remote Control Diagram with Battery Compartment.
2.2. Pairing the Remote Control
The 2.4GHz remote control system typically pairs automatically. Follow these steps:
- Ensure both the RC car and the remote control have charged batteries installed.
- Turn on the RC car's power switch.
- Turn on the remote control's power switch.
- The remote control and car should automatically connect. If not, refer to the troubleshooting section.
3. Operating Instructions
The GoolRC WLtoys 184008 is designed for high-speed operation on various terrains. Always operate the vehicle in open areas free from obstacles, people, and pets.
3.1. Basic Controls
- Steering Wheel: Rotate left to turn the car left, rotate right to turn the car right.
- Trigger: Pull the trigger towards you to move forward. Push the trigger away from you to brake or reverse.
- ST.TRIM: Adjusts the steering trim to ensure the car drives straight when the steering wheel is centered.
- TH.TRIM: Adjusts the throttle trim. Ensure the car remains stationary when the trigger is in the neutral position.
3.2. Advanced Features
- High Speed Performance: The brushless motor allows for speeds up to 60km/h. Exercise caution at high speeds.
- All-Terrain Capability: The 4WD system and independent suspension structure enable smooth driving on various terrains including beach, snow, grass, mountain roads, and rock roads.
- LED Lighting: The RC car is equipped with front LED searchlights and headlights for improved visibility during low-light conditions or night driving.
- One-Hand Operation: The remote controller features a lever on the steering wheel, allowing for convenient one-hand operation.
- Integrated Mobile Phone Holder: An integrated bracket on the remote control allows for mounting a mobile phone, facilitating real-time control vision with an external camera (camera not included).

Figure 3: Remote Control with Integrated Mobile Phone Holder.

Figure 4: RC Car demonstrating independent suspension on rough terrain.
3.3. Product Demonstration Video
Watch this video for a dynamic demonstration of the GoolRC WLtoys 184008 RC car's capabilities on various terrains. Please note that the video title may refer to a similar model (124008), but the content visually showcases the 184008 model.
Video 1: GoolRC WLtoys 184008 RC Car in action.
4. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your RC car.
- Cleaning: After each use, especially on dusty or muddy terrains, clean the car to remove dirt and debris. Use a soft brush or compressed air. Avoid using water directly on electronic components.
- Gear Inspection: Periodically inspect the zinc alloy gears for wear or damage. Replace any worn parts to maintain smooth operation.
- Battery Care:
- Always fully charge batteries before use.
- Do not leave batteries charging unattended.
- Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for extended periods, charge batteries to approximately 50% capacity.
- Motor Care: The brushless motor is designed for durability. Keep it free from debris and ensure proper ventilation during operation.
- Suspension: Check the independent suspension components for any signs of damage or loose connections.

Figure 5: Brushless Motor and Zinc Alloy Gear Components.
5. Troubleshooting
If you encounter issues with your GoolRC WLtoys 184008 RC Car, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Car does not respond to remote control. |
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| Reduced speed or power. |
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| Car pulls to one side. |
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6. Specifications
| Feature | Detail |
|---|---|
| Model Number | 184008 |
| Brand | GoolRC |
| Scale | 1:18 |
| Motor Type | 2838-5000KV Brushless Motor |
| Max Speed | 60 KM/H |
| Control Frequency | 2.4 GHz |
| Control Distance | Approx. 100 meters |
| Car Battery | 7.4V 1200mAh (quantity as supplied) |
| Charging Time | Approx. 2.5 hours |
| Use Time | Approx. 9 minutes |
| Product Dimensions | 28.2 x 20.6 x 10.5 cm |
| Item Weight | 3.59 pounds |
| Recommended Age | 14 years and up |
7. Warranty and Support
For specific warranty details, please refer to the documentation included with your product or contact the manufacturer directly. GoolRC products typically come with a manufacturer's warranty covering defects in materials and workmanship.
If you require technical assistance or have questions not covered in this manual, please contact the seller or GoolRC customer support through their official channels. Keep your purchase receipt as proof of purchase for warranty claims.
