How to Connect a Portable GPS in an Audi


1. Connect the GPS unit to the windshield. Using the hardware included, use the suction-cup mount and place it on the windshield. Mount the GPS unit level with your instrument panel or higher for optimal viewing.
2. Connect the GPS to a 12-volt power source using the included power cord, connected from the GPS to the cigarette lighter.
3. Make sure everything is functioning properly. Turn on the GPS using the power button and allow time for it to connect with satellites. Your location is now displayed on the main screen.
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Step


1. Disconnect the negative battery cable using a wrench to loosen the terminal nut. On some models of the A4, you must remove the air ducts to be able to reach the alternator. If your car is one of those, you can remove the clamps with a screwdriver and pull the air ducts off.
2. Disconnect the wires from the alternator using a wrench to remove the nuts. Unplug the wiring harness from the alternator.
3. Loosen the mounting bolts on the alternator with a ratchet and socket. Push the alternator to the side and remove the serpentine belt from the alternator. Loosen the alternator using a socket and ratchet and pull the alternator from the car.
4. Place the new alternator on the engine and install the mounting bolts loosely. Put the serpentine belt back on the alternator pulley and tighten the bolts with the socket and ratchet. Plug the wiring harness into the alternator and connect the other electrical wires. Tighten the nuts with a wrench.
5. If you removed the air ducts in Step 1, put them back on and tighten the clamps with the screwdriver. Connect the battery terminal and tighten the nut with a wrench.
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How to Listen to an iPhone or iPod in a BMW Car


1. Connect the iPod or iPhone to the BMW's stereo via a cassette tape adapter, if the vehicle has a tape deck. Place the tape portion of the adapter in the stereo, and insert the other end into the headphone jack of the device. It will play through the stereo via the tape deck.
2. Broadcast the signal from the iPod or iPhone via an FM transmitter. The transmitter allows you to basically pirate an empty FM radio station (one with plenty of static, not being used for an actual broadcast in your area) by beaming the iPod's output to your car antenna, which it would play over your BMW's stereo. They cost between $20 and $100, as of 2010, depending on the features and quality.
3. Install an auxiliary input cable in the back of the BMW's stereo. If you do not have extensive knowledge of how to service a car stereo, you should have this done by a professional. The cable would be run from the stereo into the cabin of the BMW, allowing you to plug it into the iPod or iPhone whenever you desire to listen. The sound quality is unparalleled in the realm of iPod-to-car-stereo connections.
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How to Remove a BMW 528i Fuel Pump E39


1. Pull your BMW on to car ramps and place it in park. Be sure to set your emergency brake to prevent the possibility of rolling or sliding.
2. Lift the vehicle's hood and use a crescent wrench to disconnect the negative (black) terminal from the auto battery.
3. Climb under the vehicle and locate the fuel pump along the fuel line between the fuel tank and the engine carriage assembly. The fuel pump is a small, cylindrical, jutting part on the fuel line with a bolt end on both sides.
4. Remove the electrical connection from the side of the fuel pump using a 10 mm socket wrench.
5. Twist the valve on the tank side of the fuel line clockwise until it is tight. This will stop the flow of fuel between the tank and the pump.
6. Use a crescent wrench to loosen the bolt ends on both sides of the fuel pump. Hold the fuel pump firm as you loosen these bolts.
7. Slide the fuel pump out of its housing and away from the fuel line assembly.
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How to Synchronize the Windows on a Mercedes


1. Close all of the doors of the Mercedes and turn the SmartKey to the first click in the ignition cylinder.
2. Pull on the door window switch that controls the window that either reopened or did not close at all. Pull the switch until the window is closed and then hold the switch for one second. Check that all of the windows are closed properly.
3. Pull the switch again if the side window reopens a crack. Hold the switch for one second again after the window closes. Repeat the automatic locking sequence again and verify that all of the windows have closed properly and have not reopened.
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How to Operate a Mercedes Kompressor C180


Instructions
1. Get inside the Mercedes Kompressor C180, fasten your seat-belt and put the key into the ignition.
2. Ensure that the transmission of the Mercedes C180 is in the neutral position and that either the hand or foot brake are being applied.
3. Twist the ignition key and start the car.
4. Hold the Mercedes C180 in neutral momentarily until engine speed has steadied, the car is operating normally and has started to warm up for better performance.
5. Shift the Mercedes C180 into either first gear or reverse with the shift stick and with the clutch pressed in fully with your foot, but with a brake still being applied.
6. Remove any C180 braking while slowly easing off the C180 clutch and applying a little gas with the accelerator. Ease down the street in the direction you need to go.
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How to Find a Mercedes G500 Wagon for Sale in Texas


1. Call the Mercedes Benz dealerships nearest to you. Mercedes dealerships work through a network, and if one dealership does not have the model, body type or engine you are looking for, they will find you another that does. The dealership will call you with all the information on each car available, and you can make an appointment with them to see and test drive any or all of them. Some of the largest Mercedes dealerships in Texas are Mercedes Benz of Austin; Mercedes Benz of Houston and Mercedes Benz of Sugarland.
2. Check for deals online. Many dealerships that are not solely for Mercedes will still sell them on their lot. If you are looking for a used car, for example, you may find a G500 at a Ford or Honda dealership because someone traded it in. These cars will be less expensive than those at a Mercedes dealership, but they may not come with the warranty in tact. Check with the original dealership from which the car came to see what paperwork can be salvaged.
3. Call private sellers. People looking to sell G500s will advertise online at such sites as Texas Cars Classified and through newspaper sites like The Dallas News. Be sure to order a Carfax report or another vehicle history report before you purchase from a private seller, because individuals are not held to the same legal standards as dealerships. Private sellers also may not know all of the car's history. A plus to buying a car from a private seller is that many times the original Mercedes dealership warranty still stands.
4. Check auction sites like eBay and, specifically in Texas, www.lonestarauctioneers.com. You can also go through the government site at Gov-Auctions.org. Often you can bid on a vehicle and get it for less than if you were buying it from either a dealership or an individual. These bids will normally have a set price you must bid over, but that price rarely exceeds that of a car being sold in a tradition manner.
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How to Replace the Front Brake Pads on a Mercedes 300 SE


1. Loosen the lug nuts on each front wheel slightly with the tire iron, turning them no more than 1/2 turn each. Firmly apply the parking brake. Slide the jack under the frame on one side of the front end and lift until the tire has cleared the ground. Unscrew the lug nuts the rest of the way and pull the wheel off.
2. Unbolt and the brake caliper with a socket wrench and remove it from the rotor. Hold it securely to prevent excess stress being placed on the brake line. Work a flat-head screwdriver behind the old pads and pry them out.
3. Place the new brake pads inside the caliper and press them all the way to the back of the housing. Make sure the tabs are firmly secured within the inset. Replace the caliper, tightening the bolts that were previously removed.
4. Reinstall the wheel and torque down the lug nuts. Lower the vehicle and finish tightening the lug nuts. Perform the same procedure on the other front wheel.
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How to Change the Shock Absorber on a BMW


1. Park the vehicle in a well-lit area that is also flat and level. Loosen the lug nuts for the wheel that has the shock you will be replacing. Lift the car using a floor jack and lower it onto jack stands. Finish removing the wheel and set it out of the way.
2. Spray degreaser where the lower part of the strut is bolted to the suspension and wipe it down with a rag. Disconnect any lines that are fastened to brackets on the strut housing. Depending on the model, this can include the brake line and the brake wear sensor line. Remove the wheel speed sensor for ABS-equipped cars. This is held on with a small bolt. The sensor slides out of the back of the hub.
3. Remove the large bolts holding the brake caliper to the strut housing. Slide the caliper off the rotor. Support the caliper while you work. Remove the bolts where the steering arm attaches to the strut. These are generally accessed from below. Disconnect the sway bar from where it bolts to the strut housing.
4. Open the hood. Remove the three nuts that fasten the upper strut to the chassis strut tower. Slide the bottom of the strut assembly away from the suspension and down from where the studs on the top of the assembly go through the sheet metal.
5. Move the strut assembly to a work bench. Place a spring compressor on the spring, ensuring that the hooks for the spring compressor are directly across from each other. Carefully compress the spring until the tension against the top of the strut housing is relieved.
6. Remove the rubber cap over the nut that secures the strut bearing. Carefully loosen and remove the nut, ensuring that the tension on the spring is completely relieved. Remove the nut, washer and any spacers. Slide the upper strut bearing and the spring off the strut housing.
7. Transfer any pads or spacers at the top and bottom of the old strut to the new strut. Leaving the spring compressed with the compressor still fastened, slide the spring over the new strut. Slide the upper strut bearing onto the strut. Install and tighten the nut that holds the upper strut beating on. Carefully loosen the spring compressor, ensuring that the spring seats correctly in the top and bottom of the strut assembly.
8. Reinstall the top of the strut first by sliding the studs at the top of the assembly up and through the holes in the sheet metal in the car's upper strut tower. Loosely install the nuts to hold it in place. Slide the bottom of the assembly into place. You may need to press down on the suspension and steering components to get the bolt holes to line up. Reinstall the lower bolts. Tighten the upper and lower bolts.
9. Reinstall the sway bar, the brake line and other lines on their respective brackets and reinstall the ABS speed sensor, if applicable. Reinstall the brake caliper. Replace the wheel and hand-tighten the lug nuts. Lower the car to the ground and finish tightening the lugs nuts.
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How to Troubleshoot a Mercedes Benz E320


Smell
1. Move to where you are able to smell for a sulfurous odor coming from your engine and then examine your Mercedes Benz E320's battery. Smelling this odor is often a sign that your battery is leaking electrolytes. Should the sulfurous smell persist while your Mercedes Benz E320's engine remains running, you definitely need to examine your engine's exhaust system as well as its fuel systems to ensure that there is no damage to any of the components. If you have determined that the battery is the trouble, visit your local auto parts store and purchase a new battery.
2. Examine your Mercedes Benz E320's ring set beside the head gasket. If you notice any strong, burned gas smell coming from the engine, the Mercedes Benz E320's piston rings have likely deteriorated, or its head gaskets are cracked; both of these situations can cause the leakage. You can resolve or minimize this issue by adding lubricating spray. Utilize specialized lubricant to spray around the piston rings and head gaskets; the spray can loosen and reverse damage from years of wear and tear and make the parts functional again. Unfortunately, if the lubricating spray doesn't work, you will need to replace the Mercedes Benz E320's engine.
3. Smell underneath your hood by popping the hood and taking a whiff immediately as the hood opens after the car has traveled several miles. You will be checking for an odd metallic odor. If you detect the smell, your clutch-bearing system may be burned out and requiring urgent attention. Often, after an E320 has been driven for several years or exceeds 100,000 miles, the clutch-bearing system starts to degrade due to the extreme heat from the friction of operating the vehicle. The extensive heat causes lubricants to evaporate within the system and prevents the E320 from accelerating smoothly. The odd metallic smell coming from the engine could also be the front wheel spindle rubbing against the rims and drums of the Mercedes Benz E320; that is a normal occurrence when running over potholes and obstacles while driving. Seek out a mechanic to determine for sure where the smell is coming from.
Listen
4. Listen closely to your Mercedes Benz E320's front as well as rear wheels. Listen for any strange noises like the sounds of metal scraping. A sound like this can suggest there is an issue with the braking system, especially if the sound happens whenever you apply pressure to the brakes. You will definitely have to replace your brake pads, as a Mercedes Benz E320 is designed to alert the driver that the brake pads have been worn down once a metallic tab encounters the brake rotor. Take your E320 immediately to an auto repair shop or purchase brake pads for replacement.
5. Pay attention to any hissing or popping sound as you drive. Hissing or popping sounds are usually an indication that your muffler has a hole in it. The hissing or popping sound occurs as your muffler is working hard to push out hot air while cool air is entering via the hole. Your E320's horsepower will drop and make the car's acceleration sluggish. Change the muffler right away.
6. Listen for any grinding or clanking metal sounds coming from beneath the hood. After 100,000 miles, the Mercedes Benz E320 has a tendency to exhibit transmission difficulties that can require repair or even replacement.
Sense a Problem
7. Obtain a feel for the way the car is running and be alert for any shaking, abrupt lunges or unexpected pauses in acceleration.
8. Ensure your Mercedes Benz E320's alignment is in sound condition, because tires that aren't properly balanced tend to make Mercedes Benz E320 veer to the left or the right. You may think you are driving straight, but the slight variation in alignment can cause the car to veer. Unbalanced tires place a great deal of stress on the engine by making it work harder. Check your tires by putting a penny between the tire treads; you'll know immediately that the tires are in need of changing if you are able to see President Lincoln's head above the treads. Take your Mercedes Benz E320 to a professional front-end alignment services shop.
9. Check if your shock absorbers are worn out; if they are, your Mercedes Benz E320 will shake or shudder. Shock absorbers allow your E320 to handle the road more easily and provide a smoother drive. The Mercedes Benz E320's manual suggests that an owner needs to replace the shock absorbers about every 150,000 miles.
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