How to Perform a Harley-Davidson® Oil Change

Harley-Davidson oil change

Performing a Harley-Davidson oil change is a simple task anyone with basic tools can complete. Follow these step-by-step instructions.



Manual Transmission Fluid & Automatic Transmission Fluid: What’s the Difference?

Manual vs automatic transmission fluid

Even with manual transmissions on the endangered species list, questions about automatic vs. manual transmission fluid still arise.



How to Charge a Car Battery

How to charge a car battery

You can easily charge a car battery with a battery charger or jumper cables in a few minutes. Here’s how to do both.



How Often Should I Change Front or Rear Differential Fluid?

How often to change differential fluid increases if you tow.

How often to change differential fluid depends on your vehicle, driving conditions and differential fluid quality. Learn more here.



How Often Should I Change Transmission Fluid?

Adding transmission fluid to flush machine.

How often to change transmission fluid depends on your vehicle year, make and model, along with your driving habits. Get the details here.



How to Clean Car Battery Corrosion

Battery terminal corrosion can prevent your car from getting the juice it needs to start. Here’s how to clean and prevent it.



What is the Best Transmission Fluid?

Pouring AMSOIL ATF into truck.

AMSOIL Signature Series Synthetic ATF excels at fighting heat and protecting gears and clutch plates, as demonstrated in severe testing.