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The Fuel Pump inside the Audi A4
Location and Purpose of the Fuel Pump Relay on a 2002 Audi A4
the fuel pump relay on a 2002 Audi A4 is behind the fuse box under the steering wheel, marked with 167.
In today’s cars, the fuel pump is usually electric, and the pump creates pressure in the fuel lines by pushing the gasoline into the engine. In most cars, the fuel pump delivers a consistent flow of gasoline to the engine and unused fuel is returned to the tank.
Fuel-injected cars have an electronic control unit that prevents fuel leaking from any ruptured fuel line. -
Operating Your Car: Tips To Keep Your Car Longer Life 1/6
1. Be patient during the break-in period
You’ve bought your dream car and now you want to make it last at long as possible in top condition. Here are some things to remember as you pull it out of the dealer’s lot:
During the break-in period, typically the first 1,000 miles (1,600 km), keep your speed under 55 mph (88 kpm) or to the speed recommended by your car’s manufacturer.
Avoid heavy loads on the drive train, such as towing trailers, and loading the roof rack or trunk with heavy construction materials.
Do not allow your new car to idle for long periods — this is good advice for the life of your car, but especially during breakin. The oil pressure generated by doing so may not be sending oil to every part of your engine.
Use only light to medium acceleration, keeping the engine rpms below 3,000 for the first few hours of driving.
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Car Interior: Tips To Keep Your Car Longer Life 2/6
10. Park in the shade
Of course, a garage is always the ideal place to park your car. But if one isn’t available, minimize interior damage from UV sunlight and heat by always trying to park your car in the shade. If no shade is available or if you find parking under a tree results in bird droppings, use a car shade to minimize the sun’s impact. As a bonus, you’ll have a cooler car to step into on hot sunny days. Car shades come in two basic types: those that you unfold and place on the front windshield and rear window, or pleated types that attach to the windshield posts (with adhesive), window frames (with Velcro), or the windows themselves (with suction cups).
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Car Exterior: Tips To Keep Your Car Longer Life 3/6
21. Place a towel under baby seats
All manner of food bits and liquids can accumulate under a baby seat, where they can permanently stain the upholstery. Place a sheet of heavy plastic and an absorbent towel under the seat to prevent damage, and re-secure the seat according to the manufacturer’s directions.
22. Protect car paint from the sun
Paint does more than make your vehicle look great. It’s also the first line of defense against rusted body panels. Of course, the best way to protect the paint is to park the car in a garage. If that is not possible, park in the shade or purchase a car cover. The sun’s ultraviolet rays break down paint and cause it to fade. Some car covers protect your car from more than sun, moisture, bird droppings, and dust — they also have a thin layer of cushioning that will guard against light impact, such as from a tipped bicycle or small falling tree branch.
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Tires, Wheels, and Brakes: Tips To Keep Your Car Longer Life 4/6
37. Keep the caps on
You step out into driveway ready to start your morning commute only to discover a flat tire. How in the heck did that happen overnight? If the tire valve is missing its cap, the culprit might be a leaky valve. Those little caps keep out dirt and moisture that can cause leaks, so be sure to keep caps on all your tire valves. Another tip: When you replace tires, remind the tire shop that you expect new valves with the tires.
38. Maintain proper inflation
Under-inflated tires are a tire salesman’s best friend. They create excessive heat and stress that can lead to tire failure. If you want to get every last mile out of your tires, get yourself a tire pressure gauge and use it at least once a month (more in hot weather) to keep your tires inflated to the recommendation in the vehicle’s owner’s manual. Check tires when they are cold (driven for less than one mile) for an accurate reading.
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Car Engine and Other Systems: Tips To Keep Your Car Longer Life 5/6
51. Check engine oil at every other fill-up
For an accurate reading, follow this procedure:
Run or drive your car for about 15 minutes to warm the oil; then park the car in a level place.Turn off the engine and wait 15 minutes to allow the oil in the engine to drain back to the oil pan.
Remove the dipstick and wipe it clean with a paper towel or rag. Reinsert the dipstick, being sure to push it in all the way, then pull it out again to check the oil level. It should be somewhere between the hash marks on the dipstick.
Add the type and amount of oil as specified in your owner’s manual, if necessary.
52. Change oil frequently
Your dad knew that frequent oil changes were key to keeping his Buick on the road another year. And while owner’s manuals for today’s cars recommend increasing long intervals between oil changes, the fact remains — frequent changes flush abrasive dirt and metal particles out of the engine, prolonging its life. Most owner’s manuals recommend a more frequent interval for “severe conditions.” To maximize the life of your engine, follow the severe intervals recommendations, especially if drive regularly in stop-and-go traffic.
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AC, Car Battery and More: Tips To Keep Your Car Longer Life 6/6
65. Run your AC in winter
To keep your car’s air-conditioning system fit for the next warm season, run it a few times throughout the winter. This will prevent moving parts in the compressor from seizing. Also, circulating the refrigerant will help keep the seals soft and pliant.
66. Maintain your car’s battery
Maybe the manufacturer says your battery is maintenancefree, but don’t you believe it! Check your battery regularly to extend its life and avoid the hassle of being stranded with a dead battery.
Begin with the simple: keeping your battery clean. A dirty case can actually cause current to drain.Wipe with a damp rag. Use a mild detergent if necessary.
Next, clean the battery posts or terminals. Loosen and remove the negative cable (black or minus sign) first, then the red positive cable. Use a brass wire battery brush dipped in a paste made from a few tablespoons of baking soda and a little water.
Inspect the battery case for damage, such as cracks or bulges — signs that a battery needs to be replaced.
Reinstall the cables, positive first, and coat the terminals and clamps with a thin coating of grease to prevent new corrosion.
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How To Identify Spark Plug
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