1. Unfasten the negative battery cable from the battery post on your Audi A4 2.8 litre engine with an open end wrench. Move the cable out of the way so that it does not touch any other metal parts.2. Take the cap off of the radiator and also off the coolant overflow tank. Place a drain pan underneath the drain plug at the bottom of your radiator.3. Open the drain plug with an open end wrench and allow the coolant to drain out completely. Once it has finished, close the drain plug.4. Locate the radiator hose that runs from the radiator to the top of the water pump and remove the hose from...
How to Replace an Automobile Blower Motor
1. Disconnect the cable that goes to the negative terminal on the battery. Locate the blower motor. This will almost always be in the dashboard or the firewall area of the car, but the location depends on the model of the car. On some cars, like the Audi A4 for instance, the blower is located behind the glove box, so the glove box must be removed. On other models, the BMW E46 3 Series for example, the blower motor is located just under the windshield and is accessed from the rearward part of the engine bay.2. Remove any parts that restrict access to the blower. This may be the center console,...
How to Remove the Daylight Running Bulbs From a BMW 5 Series
1. Park the vehicle and remove the keys from the ignition. Open and secure its hood.2. Open the folding cover in the front corner of the engine compartment.3. Rotate the bulb cover cap and remove it. Unscrew the bulb holder counterclockwise and remove it from the vehicle.4. Remove the bulb from the holder and replace, if necessary. Place the holder back into the vehicle and screw it clockwise to secure it.5. Place the cap back onto the vehicle and close the folding cover. Close the ho...
How to Use BMW Navigation
1. Using the 'iDrive' knob, select the MENU item.2. Select 'Navigation' and then select 'Enter address.'3. Select 'State/Province' and use the 'iDrive' knob to scroll down to the state of your destination.4. Select 'Town/City/Postal Code' enter the name of your destination's city or its zip code.5. As you enter the city name, a list in the navigation menu will automatically appear. Move the iDrive knob to the right to access this populated list and scroll through it.6. Select 'House number' and enter the digits of your destination's house number.7. Select 'Accept destination' and...
How to Program the Clock in a 2001 BMW 325i
1. Insert the ignition key into position I or higher.2. Use the onboard computer button on the turn signal stalk to scroll until the dash displays the clock feature.3. Twist the small knob on the right side of the instrument cluster clockwise to move the time forward, counterclockwise to set it back.4. Release the knob when finish...
How to Replace a Mercedes Headlight
1. Pop the hood and examine the back of the headlight. Use a screwdriver to remove the mounting bolts of the headlight.2. Disconnect the wiring harness from the back of headlight. The red (or black) cylinder sticking out from the back of the headlight is the ballast/bulb mount. Turn this counterclockwise to remove the back of the mounting structure.3. Disconnect the four inner clips holding the bulb in place and slide the bulb out. Slide the bulb into the new headlight and reconnect the four inner clips.4. Press the ballast onto the back of the bulb and turn it clockwise to lock it in...
How to Replace the Fuel Level Sending Unit in an Audi
1. Make sure the fuel tank is below half full. If it is not, drive the vehicle around until it is. Relieve pressure from the fuel lines before accessing the fuel level sending unit. Remove the fuel filler cap and the fuel pump relay from the engine bay fuse box. Crank the engine, and let the fuel lines empty; the engine will sputter and shut off. Disconnect the negative battery cable.2. Open the trunk, and remove the carpet and the trunk liner. Locate the fuel pump access cover plate close to the rear seat. Remove the plate with the Phillips screwdriver.3. Disconnect the wiring harness and...
How to Unlock an Audi Concert
1. Press 'FM2' and 'RDS' at the same time and hold them down until '1000' appears on the display. Do not press these buttons again until you are finished unlocking the Concert unit.2. Press the '1' button the number of times equal to the value of the first digit in the radio code. For example, if the code is 9876, press the '1' button nine times. The number 9 will appear on the display. If you don't have the code, contact your Audi dealer or go to the Radio Code website (see Resources) to get it.3. Repeat Step 2 with the '2,' '3' and '4' buttons until all four digits of the code appear on...
How to Install a Boost Gauge on an Audi
1. Choose which vent you are going to install the gauge in and remove it by pulling it out. Inspect the vent to see if the gauge will fit into it. You may have to trim the rear flap of the vent to allow the gauge to sit in it.2. Hold the boost gauge against the vent and draw a circle with a pen or white pencil around it to mark where the cut is going to go.3. Use a dremel with a small cutting wheel and carefully trim the hole that you have traced. Test fit the gauge to make sure it fits in the trimmed hole very snugly. Smooth any rough edges with sandpaper.4. Drill a small hole in the...
How to Install a Wastegate on a Turbo
1. Drive the car somewhere out of the way, or tow it if the wastegate is broken. Driving a turbocharged car with a damaged wastegate can seriously damage the turbocharger and the engine. Place the car in park and turn off the car. Pull the hood release latch and then prop the hood up with the prop stick. Disconnect the black wire from the car battery to ensure that the car's circuits are dead.2. Locate the wastegate valve on the turbine side of the turbocharger. The wastegate is a small metal valve bolted onto the turbocharger's exhaust feeder pipes. Disconnect the control wire from the wastegate...
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