
Girl helping around the house by Robert Couse-Baker on Flickr
With the economy the way it is, some people may be interested in doing some additional DIY projects and changing the oil in your car is one that may come up.
Its not the cleanest of jobs so the first thing you’ll want to do is get a set of clothes on that you don’t worry about getting ruined.
If you have an owners manual, look up to see what type of oil they recommend using. If you need synthetic, Mobil1 is a great brand.
If your car tends to burn oil, meaning you have to add oil between oil changes then you might want to consider using a oil designed for higher mileage engines. This will cost slightly more but you should really notice a difference in the amount of oil it burns. There are also products known as honey oil which can have a positive effect but in many cases they are just a temporary fix and will reduce the oil burn rate.
So get setup with the tools:
1. Oil filter wrench - This is a tool used for loosening and removing the oil filter which can become very hard to do by hand due to the amount of heat and length of time its been in place.
2. Ratchet and socket - Each application is different so check to see what size socket you’ll need to remove the drain plug.
3. A catch basin - These can be purchased at any local parts store and they come in a variety of different ways. A very basic metal pan is just round and completely open on top. Another type is plastic and its top is enclosed with a slope towards the center in which the oil drains down and through a small threaded hole. The hole has a plastic plug that is put back in once the oil is completely drained.
4. Funnel - Plastic or paper funnels are fine.
5. Rags - For clean up and to wipe the dipstick after checking the level.
6. Floor jack or ramps - Need to get the vehicle raised in order to get at the oil pan. Obviously the ideal situation is with a lift.
That about does it for the tools, now to discuss the materials.
1. Oil - Usually about 5 quarts of your favorite brand
2. Filter - Get the proper filter as specified in your owners manual, AC Delco are a good choice.
Step 1. Drain the oil
Once you are ready with the tools and the materials you can get your vehicle in position so you can access the drain plug. Its a good idea to have a few rags with you just in case you miss the pan.
With the vehicle raised (note: Extremely important to have all your safety procedures followed, jack stands, e-brake set, etc.) position the pan below the drain plug.
Raise the hood and remove the cap from the oil filler neck. This will allow the oil to drain smoothly. Then go under the vehicle with the ratchet and begin loosening the drain plug.

Tools of the trade. I let the dealer do the last oil change and they mangled the drain plug. Replacement part (not pictured) was $14.
Don’t be in a hurry because when it’s ready to come out you are going to notice that it doesn’t just drain straight down.
This is what the rags are for. So when you have only a few turns left have one hand on the pan and get ready to move the pan so it catches the oil.

"Yikes, that's hot." Oil drains from the bottom of a 4 liter engine. - By Robert Couse-Baker on Flickr
Once its fully drained you can reinstall the drain plug and tighten it. Do not over-tighten the plug.
If you had you car on a floor jack you can now lower it back down, this will make it easier to access the oil filter which is under the hood.
Using the oil filter wrench get it around the filter and loosen the filter. Unscrew it and be sure to keep it upright as it will be full of oil. You can toss it in the oil pan and discard it later.
Take the new filter out of the box. Dip your finger into the old oil and just run it around the rubber seal once to help give it a good seal. Screw the new filter on and snug it up with the filter wrench. Do not over-tighten it.

This thing would not come off, i tried rubber gloves (for grip), C-clamps, those screw tightened metal ties, and some other things but the oil-filter-wrench did the trick (5 hours later). - By spudgunner on Flickr
Now get your funnel placed on the filler neck.

Makes a good father and son project - by patterbt on Flickr
Open your first quart of oil and pour it in. Once you’ve emptied the 4th quart take the dipstick out, wipe it off and check the level. You may need to add another 1/2 quart or so.
Once the oil level looks good you can put the dipstick back in. You can now go and start the car and let it run for a few seconds. That’s it.
The only thing left is to dispose of the oil. Most local auto parts stores allow you to bring your old oil in and recycle it at no cost. Simply walk into the store and ask them where you need to take it. Usually they’ll point you towards the back and you can hand it to a worker. They’ll hand you back your empty container.