If you want to work on your car/truck but not sure if you want to try it on your own vehicle, go to a Pick-a-part salvage yard

If you're afraid of breaking something or want to physically try to remove a part for a repair. A Pick-a-part salvage yard will usually let you pull any part off a vehicle. Most Pick-a-part yards have a website that shows what vehicles they have in stock. There is usually a small fee associated with entering so, just make sure your Year/Make vehicle is there before going. Sometimes a Pick-a-part yard will have an app and signing up will yield a free entry.