Drive less. Especially, avoid short trips. Cold starts are hard on engines, your gas mileage, and the environment. Short trips can also significantly shorten the life of your muffler. Basically, you get condensation in the exhaust when you start a cold engine, and if you don't run the car for long enough to evaporate all of the condensation out of the system, excessive amounts of water can accumulate in your muffler, and rust a hole through it. Avoid starting a cold car just to pull it into the garage, for instance. Consider walking to the nearest store for a change. Combine short errands, and, if you have multiple vehicles, drive the one more recently driven when you go out again. Do drive a car at least every week or so, since cars that sit for longer than a week or two at a time have other problems, such as fluids gradually draining out of systems. Consult a mechanic if you will store a car for an extended period.
Check the fluids: You should check the level of your antifreeze, oil, transmission fluid, power steering fluid, and brake fluid, very regularly: like every time you buy gas. Even if your car doesn't leak fluids, it can develop a leak and quickly have a dangerously low level of something. You should also check the color of some of these fluids. Some of these have see-through plastic tanks that you can look through, and some have dipsticks. Antifreeze should be either pink, green, or yellow (Pink for newer cars with "Dex-Cool", green for old cars with plain Ethyl-Glycol, and green or yellow for cars that have been flushed and filled with universal antifreezes...brown antifreeze should always be flushed, it either has rust or a lot of dirt in it, probably both. Also, never mix antifreezes; if you don't know what color antifreeze your car has, buy a universal brand. Oil should be relatively clear, not black - black oil has been left in the engine for too long. Oil that looks white and milkshake-like has water in it, probably from an internal antifreeze leak, or very rarely, just a large amount of condensation. Transmission fluid should be bright red, and should not smell burnt...it probably needs to be changed if it's brown or smells burnt.
Fresh, clean oil.Change the oil regularly: This will improve your gas mileage and protect your engine. The recommended mileage between oil changes is 3,000 - 5,000 miles (or 5000 - 8000 kilometres) or every 3 to 6 months. Doing this could make it possible for your vehicle to attain 200,000 miles. Change the oil filter as well - there is no sense in putting clean oil through a dirty filter, and filters are very cheap and available at any parts store. Please check your service manual, or contact your dealer for your car's specific needs.
Change the air filter: This is something you can do easily at home without using tools, and should be done approximately every 12 thousand miles. You can buy a matching filter at nearly any auto parts store and your owner's manual will show you where your air filter is located. A dirty, dusty filter can lower gas mileage.
Flush the fluids every two years: power steering fluid, and brake fluid, cooling system. Check this timetable against your owner's manual. Newer cars generally allow longer intervals between changes.
Monitor your brake pad thickness and don't let the pads wear down to metal - this will cause damage to your brake rotors ("discs") at least and possibly your calipers as well. Rotors and calipers are much more expensive to replace than pads. There is no such thing as "cleaning" a brake pad while it is still on a car - the friction between the pad and rotor will eradicate any outside substance almost immediately.
Rotate the tires. Changing tire position reduces uneven wear and tear on the tread, thus extending the life of the tires. The recommended rotation cycle is twice a year or every 6,000 miles. Rotate them diagonally - front right to rear left and front left to rear right. However, this pattern can change depending on the drivetrain of the vehicle, and the type of tire. Your vehicle manual will contain detailed rotation information. Keep in mind some tires (especially on sports cars) are directional and are meant to spin only one way. They will have a large arrow on the sidewall to indicate this.
Keep the tires inflated. Under-inflated tires can reduce the tire life by 15% and will slightly decrease your gas mileage, perhaps by 10%. Inflating tires is perhaps the easiest of all activities, and many stores sell tire gauges for a very small cost. Checking your tire pressure every other time you get gas will reduce tire wear and prevent these issues. Monitor your tire tread with a penny. Insert the penny into the tread with Lincoln's head down. If the top of his head is not obscured by the tread, your tires need to be replaced. Basically, if you can see all of Lincoln's head, you must replace your tires.
Keep the front end aligned. If you notice your car shaking while driving at high speeds (not while braking - shuddering while braking indicates warped rotors), or if your tread is wearing unevenly, then you may need an alignment. This is also key to extending the life of your tires and will keep the tread even for increased safety.
Get your car off to a good start every time you drive it. Start the car and drive off slowly and gently until the car reaches operating temperature. This reduces the strain on the engine while the oil is still cold and thicker. Another option is to use electric engine space heaters, and start the drive with a warm engine. Accelerate promptly to the target speed. For most modern cars, idling a cold engine is both counterproductive and wasteful. Additionally, as you accelerate, release the gas a bit to cause the automatic transmission to upshift while you are not pressing hard on the gas. This causes less wear on the internal clutches. It is easier on the clutches for the car to shift when you ease up on the gas.
Use your parking brake. Even if you are driving a car with an automatic transmission, use your parking brake regularly, especially if you're parked on an incline. It helps keep the brakes adjusted in the rear of the car and makes them last longer.
Wash your car: Road salt, sludge and pollution can lead to costly body work. Without regular cleaning, you can start to notice rust on the bottom of your doors within four years. Another three to four years and the corrosion will creep to underbody components, like brake lines. It can cost thousands in rust-related repairs if you neglect to wash your car, especially near ocean/gulf shorelines where the road sand or morning dew might be salty.
How to Extend the Life of Your Car
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2 April 2009
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