Using the wrong type of differential oil can affect the performance and lifespan of your differential. It might cause excessive wear, reduce efficiency, or even lead to leaks. Always use the recommended oil type and viscosity.

Regularly check for wear and cracks, and ensure the swing arm is securely attached. Lubricate moving parts to reduce friction and maintain smooth operation.

You can improve shock absorption by upgrading to higher-quality shock springs tailored to your car’s weight and terrain. Additionally, adjusting the damping settings of adjustable shock absorbers can optimize performance.

Motor overheating can be caused by excessive load, poor ventilation, or a faulty cooling system. Ensure the motor is not overloaded, and check for any obstructions that could hinder cooling.

If your RC car’s performance diminishes significantly after a short period of use, or if the battery swells or leaks, it’s a sign that the battery may need to be replaced.