1. Locate the EGR valve of the Mercedes 300D in the back of the engine on the drivers side of the engine compartment. The EGR valve is a circular metal device with a vacuum hose attached to the top of the valve.2. Remove the vacuum hose from the top of the EGR valve by hand and set it out of the way.3. Unfasten the two bolts on the sides of the EGR valve with a socket wrench that secures the part to the engine.4. Remove the EGR valve from the Mercedes 300D engine compartme...
Troubleshooting BMW 3
1. Open the BMW's driver's door. Crouch down, and look into the leg space. On the left-hand side, near the left-side kick panel, you will find a computer outlet. In older 3-Series vehicles, this outlet will be concealed behind a panel, which will be easy to remove.2. Connect your OBD-II scanner to this computer outlet. Scanners will either come with a diagnostic cable that will fit the outlet, or the scanner itself will directly fit into this outlet.3. Climb into the driver's seat and set the OBD-II scanner onto your lap. Place your ignition key into the BMW and switch to the 'On' position....
How to Replace Coolant Temperature Sensors
1. Allow the engine to cool to the touch. Place the drip pan under the radiator pet-cock. Open and let about 1 gallon of antifreeze to drain before closing. Disconnect the electrical connector on the coolant temperature sensor.2. Remove the sensor with the appropriate wrench (the size will depend on the year, make and model of your car). Install Teflon tape around the threads of the new coolant temperature sensor.3. Install the coolant temperature sensor and tighten just enough to feel that it is tight. Do not torque down on it, or it will distort and fail to work, or give false readings....
How to Reset the Door Locks in a 2002 Ml430
1. Insert the key for your 2002 ML430 in the ignition. Do not turn the key while in the ignition. You do not need to start the car to reset your key.2. Press and hold the 'Lock' button displayed on your key fob while the key is inside the car's ignition.3. Continue to hold the 'Lock' button down, and pull the key out of your vehicle's ignition. Keep holding the 'Lock' button even after the key is out.4. Press the 'Unlock' button five times in a row. Make sure to keep holding the 'Lock' button when you do this.5. Release the 'Lock' button to complete the resetting proce...
How to Replace Weatherstripping on a BMW
1. Pry the old weather stripping out of its place with a slotted screwdriver. Wrap the tip of the screwdriver with the shop rag if you are concerned about scratching the paint on your car's exterior panels as you remove the weather stripping. Start from one end, and slowly work your way around the perimeter of the window.2. Pull the old weather stripping out of place once it has been loosened, and run a shop rag between the window and body panels to clean out any remnants of dirt.3. Align the new piece of weather stripping with your window, and gently tap it into place using your rubber...
How to Install an A4 Stereo
1. Pull the release handle under the dashboard on the driver's side of the Audi. Move to the front of the car and lift the hood. Turn the bolt on the negative battery cable's clamp two full rotations with the 10mm wrench. Lift the cable from the battery and move it to the side. Return to the A4's cabin.2. Insert the four stereo removal keys into the slots near the corners of the stereo deck. The keys are available through Audi or Volkswagen dealers, as well as through aftermarket car audio outlets.3. Place two fingers from each hand inside the rings at the ends of the keys. Pull out on the...
How do I Find Mercedes Benz Touch
1. Locate your VIN number on your dashboard.2. Copy down the VIN number and type it into the Free VIN Decoder website.3. Click the 'Decode!' button.4. Click on the 'Colors' tab to see which paint colors and codes are associated with your VIN.Other options5. If you don't have an Internet connection, take your VIN number to your local Mercedes-Benz service department or auto-body shop. Either place will be able to help you look up and decode the VIN number.6. Ask your local reference librarian. Many libraries have auto repair manuals and books in their reference section.7. Join an...
How to Install Spark Plugs in a 1997 BMW 328i
1. Look on the underside of the 328i’s hood and find the emissions label. Find the spark plug gap listed on the emissions label. Check the gap on all six new NGK BKR6EK, or equivalent spark plugs, with a spark plug gap tool. If the gap is not within the specifications listed on the emissions label, exchange the spark plugs for new ones, as they are not adjustable.2. Unscrew the engine oil cap and pull upward on the passenger’s side of the engine cover -- the one that reads “BMW” -- to remove it, exposing the ignition coils below it.3. Pull outward on the retaining tabs on a coil pack and...
How to Troubleshoot an Audi Oxygen Sensor
1. Locate the OBD port next to the fuse box (on the left), down in the driver's-side foot well of the Audi.2. Plug the power connector from the OBD scan tool into the open port next to the fuse panel.3. Turn the ignition key to the "II" position, and wait for the scan tool to retrieve the trouble codes from the computer.4. Read the display on the OBD scan tool. A reading of P1101, P1115, P1116, P1117, P1118, P1119, P1120, P1121 or P1122 indicates a problem with the oxygen sensor on your Au...
How to Reset 2001 BMW 325I Maintenance Indicator
1. Insert the key in the ignition, but do not turn on the vehicle.2. Press and hold the odometer reset button, located on the instrument panel.3. Turn the ignition switch to the 'ON' position. Continue to hold down the odometer button until it reads 'RESET.' Release the reset button.4. Press and hold down the odometer reset button until 'RESET' blinks. Release the odometer reset button.5. Press and hold down the odometer reset button until 'RESET' is replaced with 'END SIA.' Release the odometer reset butt...
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