Helpful Tips to Help You Fix Your Audi A4 Oil Filler Cap
Whether plastic or metal, the oil filler cap in your car can get damaged over time. That's why it's important that you learn how to fix some of the common problems related to your oil filler cap. Here are some troubleshooting tips to help you fix your Audi A4 oil filler cap:
If you can smell the oil burning and easily see the oil around the cap, you can safely assume that your oil filler cap has a leak. Having oil spill out of the engine block can be dangerous, so fixing this problem immediately is required. But first, you need to know the reason behind the leak. You may find the gasket to be the cause and installing a new one is the simple solution. But most of the time, the culprit is a broken, cracked, loose, or missing oil filler cap. Replacing the worn-out cap or tightening it should stop the oil from leaking.
You may get surprised one day to see a rustic color on your oil filler cap. Initially, you will think that your oil filler cap has already rusted. But if your cap is made of plastic, it's highly unlikely that it will develop rust. Well, if you have sludge on your cap, you don't really have to worry because this won't affect your car's driving prowess. It does, however, tell something about the oil that you use as this color can be caused by poor-quality gasoline. Also, this may just also suggest that you need take your Audi out for longer trips. Getting rid of this rust-like sludge is as easy as wiping it with a cloth. But sometimes, you will need to sand the oil filler cap to remove the hardened sludge.
Rusted metal cap
If the oil filler cap on your vehicle is metal, it can get rusted over time. Take note: this is different from the rust-colored sludge that you see on a plastic cap; this is real rust. So in order to fix this problem, you have to apply rust remover. But make sure to remove the cap first and cover the tube to avoid any object from entering.