1. Jack up on the front of your Audi A4 under the front jack point behind the radiator, using the floor jack.2. Place jack stands under the front pinch welds of the vehicle and lower the Audi onto the stands.3. Climb under the vehicle and disconnect the electrical connector from the oxygen sensor.4. Unbolt the oxygen sensor from the exhaust using an O2 sensor socket and socket wrench.5. Remove the sensor and thread the new sensor into the exhaust. Tighten the sensor using a socket wrench and O2 sensor socket.6. Reconnect the electrical leads to the sensor.7. Lower the A4 to the ground...
How to Remove the Low Beam Headlights in a 1995 530I BMW
1. Open the hood and locate the black plastic cover on the backside of the headlight housing assembly. The low beams on your BMW 530i will be covered by this black plastic cover.2. Unplug the electrical connector from the back of the headlight.3. Rotate the black plastic cover counter-clockwise with your fingers and pull it off of the back of the housing.4. Rotate the square headlight collar counter-clockwise and pull the headlight out of the back of the headlight.5. Insert a new headlight and rotate it clockwise to lock it into the housing.6. Replace the black plastic cover and plug...
How to Install an Air Max Filter in a C230
1. Pull the hood release lever next to the driver's seat. Raise the hood and prop it open with the support arm.2. Locate the air filter box. On the C230, the air filter box is just to the left of the engine, and it is contoured so that the right side of the box hugs the left side of the engine. You can also identify it by the thick, ridged plastic tube that runs from the front of the air filter box to the intake manifold.3. Locate the four silver metal clips around the lid of the air filter box and flip them all up. Lift the lid off the air filter box and set it aside.4. Pull the old air...
How to Change the Timing Belt on an Audi A4
1. Park the Audi on level ground.2. Lift the front portion of the Audi using a jack and rest it on axle stands.3. Remove the two screws from the wheel wells and the six screws from the Audi's underpan by turning a screwdriver counterclockwise.4. Take off the two lower grilles and the bolts found near the Audi's fog lights by turning an Allen wrench counterclockwise.5. Grab and remove the Audi's headlight washer hose, found by the driver's side lower grille. Put a bucket under the Audi's front bumper to collect any fluid that will drain out.6. Jerk the front bumper from the Audi in...
How to Turn up a Turbo
1. Purchase a twist-type manual boost controller. These in-line check valves have a spring mechanism inside which, when you twist the MBC (manual boost controller) body together, receives more pre-load to keep the valve shut longer.2. Locate the waste gate diaphragm on the base of the turbocharger. It will look like a small flying saucer with an armature coming out of one end and a rubber vacuum line (boost sensor line) coming out of the top. Follow it back to the intake manifold or pressure tube.3. Cut a 2-inch section from the boost sensor line. Where you make the cut isn't important;...
How to Fix a Rough Idle
1. Drive the vehicle to a reputable service center that has a code scanner. If your vehicle has a universal scanner jack installed under the dashboard, the technician will hook a code scanner up to it and retrieve data from any failing component or system.2. Place the transmission in Neutral or Park. Apply the emergency brake and raise the hood. Look for any disconnected or cracked vacuum lines attached to the carburetor or intake manifold. Refer to your owner's manual for the location of the EGR vacuum hose, PVC vacuum hose and the hose leading to the brake booster diaphragm. Check all rubber...
How to Fill Up the Transmission for a 1999 Audi A4
1. Turn off the car and make sure that the keys are out of the ignition to ensure that the car will not be turned on while you are working on it.2. Put the hand brake on the car and then place a large log or brick behind one of the back tires to avoid the car sliding back while you are working on it.3. Put a jack behind one of the front tires of the Audi A4 and jack up the car about 3 feet from the ground and then slip a jack stand to hold that side of the car up. Repeat this step on the other side of the vehicle.4. Slide in under the car and look up into the hood area of the car until...
How to Install Rear Wheel Bearings in a Mercedes
1. Park your car on a flat, level surface. Jack your car up and put it securely on jack stands.2. Remove the wheel and the hub by placing a screwdriver on the edge of the hub. Use a hammer and hit the hub out toward you.3. Use an Allen wrench to loosen the retaining nut.4. Remove two bolts that are 21 mm in size. The bolts hold the caliper on the steering knuckle. To remove the bolts use an impact wrench or 18-inch spanner. Make sure you get the right bolts. There are two others that are the same size that hold on the steering mechanism. You want to remove the bolts that hold the caliper.5....
How to Reset the Service Indicator Light on a Fiat Grande Punto
1. Turn the ignition switch to the 'On' position without starting the engine.2. Press the odometer reset button repeatedly until the total mileage is displayed.3. Turn the ignition switch to 'Off.'4. Press and hold the trip odometer reset button.5. Turn the ignition switch to 'On.' Do not start the engine.6. Release the trip odometer reset button after the service display counts down from 10 to 0 and the service light rese...
How to Take Off a BMW E36 Front Quarter Panel
1. Shut off the engine. Raise the hood of the car. For removal of the passenger side front quarter panel, locate the bolts that are on the top right side of the engine and are directly connected to the passenger side front quarter panel. For removal of the driver´s side front quarter panel, locate the bolts on the top left side of the engine, directly connected to the driver´s side front quarter panel. Use a 17 mm socket wrench to loosen and remove these bolts by turning them counterclockwise.2. Raise the front passenger side of the car with a jack and then position a jack stand beneath the...
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