How to Replace Audi TT Coil Packs

1. Park your Audi TT on a level surface, and pop the car's hood.2. Remove the plastic engine cover that surrounds the oil filler neck to reveal the coil packs. Remove any plastic screws securing the engine cover in place using your flat-blade screwdriver.3. Position the head of the screwdriver underneath the top of the coil pack, pressing down on the screwdriver's handle to pry the coil pack loose. Once you have loosened the coil pack, gently pull it up and out.4. Press down on the plastic notch at the base of the coil pack's connector, and pull the coil pack out of the wiring harness.5....
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How to Replace the Battery in a Mercedes C240

1. Turn off the ignition and any accessories inside the car. Remove the key to avoid accidental starting. Open the hood.2. Lift the three clamps on the back of the battery filter box on the passenger side of the engine compartment. Remove the filter box cover to expose the battery.3. Disconnect the negative cable with a wrench. Repeat the process for the positive cable. Remove the retaining nuts on the battery with a wrench. Lift the battery out of the battery tray.4. Insert the new battery into the tray in the same alignment as the one you removed. Secure the battery with the retaining...
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How to Obtain a Lost 1998 Audi A4 Radio Code

1. Locate your motor vehicle title or registration and put it in a folder that you can take to the dealership. This has your 17-character VIN on it and proves your ownership of the vehicle.2. Disconnect the negative battery terminal on your battery, using a battery terminal wrench.3. Insert both special radio removal tools into the front slots on the radio press them down until they detach the radio retaining tabs. Grip both special tools and pull the radio out of the dashboard.4. Look on the top or the back side of the radio for a serial number. Write this number down on a piece of paper...
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How to Change the Cabin Air Filter on a BMW X3

1. Locate the cabin air filter compartment, which is in the center of the under-hood area and right up against the firewall, just in front of the windshield. It is black and rectangular with plastic air vents on top.2. Unscrew the thumb screw located in the front center of the plastic lid to the cabin air filter compartment. Once the screw is removed, press on the tabs on either side of the lid and lift it directly upward to remove it.3. Look at the side of the filter, which sits loose just below the lid to the compartment. You should see an arrow printed on the side of the filter. Take...
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How to Replace the Fan on a 2001 BMW 325ci

1. Purchase an appropriate replacement fan for your 2001 BMW 325ci.2. Lift the hood and prop it open. Find the engine fan in the front of the engine, above the radiator. The fan is attached to the water pump by a fan nut.3. Attach the 32 mm wrench to the fan nut. Hammer the 32 mm wrench clockwise to loosen the fan nut. Remove the fan nut and put it aside for attachment to the new fan.4. Spin the fan clockwise because the fan nut has a reverse thread on it. Loosen the fan with your hands until it detaches.5. Put the new fan on by turning it counterclockwise to attach it to the water pump....
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BMW Intake Manifold DIY

BMW Intake Manifold Removal1. Disconnect the negative cable from the battery using a wrench to loosen the terminal nut. Relieve the fuel pressure by opening the valve on the fuel rail. Open the valve on the bottom of the radiator using a wrench and drain the engine coolant to the drain pan.2. Unplug the electrical wire from the mass air flow sensor. Label the wire with the marker and masking tape so you know its proper location. Loosen the air intake duct clamp with the screwdriver and remove the air intake housing from the engine. Remove the cover from the accelerator cable.3. Disconnect...
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How to Remove the Radiator on a 2001 BMW 3 Series

1. Let the engine cool for several hours prior to working on the car. Pop the hood and open the radiator cap. Lift up the front of the car with the jack and set it on jack stands.2. Place the drain pan underneath the expansion tank on the side of the radiator. Open the drain valve at the base using your hands and allow it to empty coolant into the pan. Remove the splash guard from underneath the car using the 3/8-inch ratchet and socket. Open the petcock at the bottom of the radiator and let the coolant drain into the pan.3. Remove the hose clamp on the upper and lower radiator hoses at...
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How to Install a Stereo in a 2002 Audi Quatro

1. Acquire four Audi stereo DIN keys, available at any local Audi dealer. The keys allow you to unlock the stereo and remove it from the dashboard.2. Disconnect the negative battery cable from your Audi's battery.3. Slide the DIN keys into the four release slots on the stereo. The slots are located in the four corners of the stereo. Press the keys in until you hear them click. While still putting pressure on the keys, slide the stereo forward and out of the dashboard. Disconnect the wiring harness and antenna cable from the back of the stereo.4. Slide the cage included with your after-market...
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How to Apply BMW Touch Up Paint

1. Clean the chipped area free of any debris. Use moistened sandpaper on the edges of the chipped area just enough to make it smooth without adding scratches. Clean and dry the area again after sanding.2. Apply the touch up paint with a toothpick with the tip broken off or a small, very thin, soft artist's brush. Avoid using the brush that is provided with the paint kit. Allow a tiny amount of paint to smoothly adhere to the toothpick or the brush. If too much paint coats the toothpick or brush, gently clean it off and try again. Apply the paint by tapping it lightly in the center of the chip...
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How to Reset the Service B Warning Light in the 2008 Mercedes C300

1. Turn the ignition switch to 'On' without starting the engine.2. Press the menu button on the left side of the steering wheel until the total mileage is displayed.3. Press the up or down arrow button on the steering wheel until 'Service B' is displayed.4. Press and hold the trip meter reset button until the display indicates the word 'Reset.'5. Press the trip meter reset button to confirm and reset the service B lig...
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