Start by removing the shock caps and draining any existing oil.

Replace the oil with a thicker or thinner viscosity depending on your desired stiffness.

Alternatively, you can adjust the preload by turning the adjusting collar on the shock body. Test your adjustments on different terrains to find the optimal setting.

Start by inspecting the gear for any visible damage or wear.

Clean the gear and the surrounding area thoroughly to remove any dirt or debris.

If the noise persists, you may need to replace the steering gear.

Ensure you purchase a compatible replacement and follow the manufacturer’s instructions for installation.

Firstly check the ESC for visible damage or debris. Make sure that the heat sink is not blocked and that the ESC is installed in a well-ventilated area.

Check the battery voltage to make sure it is within the ESC’s operating range.

If the problem persists, try recalibrating the ESC according to the manufacturer’s instructions.

The ESC of the HAIBOXING HBX 905/905A RC car can be upgraded by installing a more powerful and efficient ESC for RC cars.

There is always only one look and it looks tired of looking, does any player advise where I can purchase different car shells.