Wednesday, May 29, 2013
Repair work to replace the front brake pads Mazda 3
The following instructions will try to replace the brake pads. The most important thing - to adhere to certain rules. So, in any case is not recommended to press the brake pedal, if you open body of the cylinder, as it can pop out the plunger. It is desirable that the piston anther were not damaged and that the brake disc has not got oil. Replacing brake pads and gaskets must be replaced, especially if the strips are observed traces of rust or flaking of the rubber coating. Unscrew the connecting bolt to strip and replace the caliper should be only if it is assembled. Here, in order to avoid stretching the brake hose, you need a special way hanging body of the cylinder to the wire. Brake Surface burnished needed in the following cases: to produce boring or replacement of drums, or disks, replacing linings, brake shoes, "falling through" the pedal, although the mileage a little. Front brake pads are composed of actual brake pads, tie springs, clamping plates. Before embarking on replacing brake pads, a visual estimate of the thickness of the pads. To this end, lift the car, remove the wheel, look into manhole, located in the housing cylinder. Minimum thickness of brake pads - 1 mm, the maximum allowable value - 2,0 mm. Please note that during this repair, is necessary to replace the inner and outer gaskets, cover gaskets in the kit. 1.Snyat brake pads, for this front wheel lift, wheels to temporarily secure the two nuts. Unscrew the bolt and disconnect the brake hose bracket. 2. Loosen the caliper mounting bolts, for this to turn off the caliper mounting bolts, but it should hold the guide fingers. Housing slide off, loosen the bolts which secure the caliper housing, and remove it. 3. Remove the anthers guide fingers. Using a screwdriver and a hammer, hold the caliper in a vise (padded), while removed from the guide fingers anthers. 4. Remove the cover brake cylinder. Using a screwdriver, remove the cover of the brake cylinder snap ring and cover. Between piston and cylinder lay rags. 5. Extract the piston from the cylinder. Remove the piston from the cylinder, using compressed air. 6. Remove the gland. Use a screwdriver to remove the gland. Brake pads measured by line: typical thickness shall be 12 mm, the lowest - 1.0 mm. In that case, if the thickness of the pads is less than the minimum acceptable, you must replace pads. With the help of a special device, to drown the piston inside the cylinder block to set the brake disc.
Monday, May 13, 2013
How to Replace BMW Fuel Injectors
Disassembly
1. Disconnect the ground cable from the negative battery terminal.
2. Disassemble the injector pipe by removing the plugs, plate and screws.
3. Gently push up on the injector pipe until all of the injectors have cleared the intake manifold.
4. Remove the plugs and pull up the retainer. You should now be able to remove the injectors.
5. Inspect the injector O-rings. If they are torn, worn or misshapen, replace them.
Reassembly
6. Install the O-rings onto the new fuel injectors, then seat them into the injector pipe.
7. Reinstall the fuel injector retainer and plugs.
8. Slide the injector pipe back into position. Be careful not to damage the injectors.
9. Reassemble the injector pipe.
10. Reconnect the ground cable to the negative battery terminal. Run the engine and make sure there are no leaks.
Thursday, May 9, 2013
How to Replace Spark Plugs on a 2002 BMW
1. Open the hood. Remove the cover for the cabin filter and housing located near the windshield. Twist the plastic knobs that hold it on and lift off the cover off.
2. Remove the cabin filter and disconnect the wiring harness that goes to it. Remove the filter housing by unscrewing the four Torx screws that hold it in place. Pull the enclosure out and set it aside.
3. Remove the top engine cover. First remove the plastic covers that conceal the engine cover bolts. Remove the bolts with a 10mm socket and lift off the engine cover. Remove the oil cap and remove the remaining engine cover in the same manner as the first.
4. Remove the wire coils for the spark plugs, noting which plug each coil goes to by marking it with a piece of tape and a marker. You can also simply change one plug at a time so as not to mix up the coils. On some models, the coils are bolted on and on some the coil is simply rotated and pulled out and off of the plug.
5. Insert the spark plug socket (mounted on the 6-inch extension) into the hole that the spark plug is located in until you feel it seat on the plug. The spark plug socket has a rubber insert that grabs the plug.
6. Loosen the plug by turning the socket counter-clockwise with the ratchet. Carefully pull the plug out of the hole so as not to drop it.
7. Gap the new plug according to the plug manufacturers recommendations, bending the outer posts with a plug gapping tool until the proper gaps are achieved. Apply some anti-seize compound to the plug. Slide the plug into the spark plug socket and then tighten the plug into the engine. Use a torque wrench to tighten the plug to 30 ft. lbs.
8. Press the coil back onto the plug and fasten it with the bolt or install it in the reverse of removal. Repeat the above steps for all of the spark plugs in the engine. Replace the engine covers, the cabin filter housing, cabin filter and housing cover.
Wednesday, May 8, 2013
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 cars 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 mallet. Start at one corner, and work your way around the perimeter of the window, just as you did when removing the old weather stripping.
Monday, May 6, 2013
How to Replace the Wiper Motor on a C280 Mercedes
Instructions
1. Note the rubber stoppers covering the nuts that mount the wiper arm to the C280. Remove these stoppers by wedging the flat-head screwdriver under the belly of the stopper and pulling upward. They come off in one motion.
2. Use the socket wrench to take off the nuts holding the wiper arms to the mounting bolts, turning counterclockwise.
3. Use the sharp end of a pick to pop off the plastic cover pins shielding the screws of the intake grating from debris and corrosion. Insert the end of the pick under the cover pins and pull upward to pop them off.
4. Remove the screws holding the intake grating to the bulkhead using the Phillips-head screwdriver.
5. Pick up the intake grating and place it on the windshield. Lay a blanket over the windshield beforehand if youre worried about scratching the glass.
6. Unplug the power cord feeding the windshield-wiper motor.
7. Remove the bolts holding the wiper motor to the bulkhead using the socket wrench and the long extension in order to reach the lowest bolt below the wiper motor.
8. Pull the wiper motor off the bulkhead and compare its shape and hole position to the new wiper motor.
9. Insert the mounting bolts into the rubber sleeves of the new wiper motor. These sleeves dampen the effect of vibration from the motor when it is turned on.
10. Line up the bolts of the wiper motor with the holes on the bulkhead. Hand-tighten the bolts into position before making them snug using the socket wrench.
11. Plug in the power cord to the new wiper motor. Replace the intake grating, the plastic cover pins over the screws, the wiper arms, and the rubber stoppers over the arms.
Friday, May 3, 2013
How to Replace a Battery in an Audi Key
1. Flick the key out as if you were going to be opening the door. Locate the thin line that goes across the width of the key parallel with the buttons on the key and which is where the two halves of the key meet.
2. Wedge a thin screwdriver or similar tool carefully into this dividing line. Note that this is not the same thing as the holes or the grooves that are located inside the recess of the key fob.
3. Twist the screwdriver slightly to separate the key portion from the fob portion of the key fob assembly. Wedge the screwdriver into the top of the fob, the sides and the back and twist until the two sides separate. This may take some force, but be very careful not to break the plastic.
4. Open the small plastic ringed end of the lid that is located in the side of the key that does not have the button on it. The lid can be gently pried open with your nail or even the screwdriver, but be careful not to break the lid as you pull it out. Do not touch the computer chip under the lid.
5. Remove the old battery and install the correct new battery, available from the Audi dealer. Replace the lid and snap the two halves of the key back together.
Monday, April 29, 2013
How to Replace the Battery in a BMW 735Il
1. Open up the trunk of the BMW 735Il. On the right hand side you will find the luggage compartment under the carpeting. The luggage compartment is where the battery is kept.
2. Use both the open-end wrench and the crescent wrench to detach the positive and negative cables from the top of the old battery. Begin with the negative cable first. Once the cables are disconnected, carefully lift them out of the way.
3. Use the socket wrench to unfasten the bolts that hold the battery in place. Carefully remove the clips on the side of the battery.
4. Use the handle strap provided to carefully lift the battery off the battery terminal. If a handle strap is not present, use a sheet or a towel to lift the battery out to prevent injuring your hand.
5. Place the new battery in exactly the same position as the old battery. Reattach the clips and fix the bolts back in place using the socket wrench.
6. Fix the red wire to the positive connection and the black cable to the negative when reattaching the battery wires. An incorrect connection will stop the battery from working.
7. Put the luggage compartment cover securely back in place and place the carpet over the top. Test your new battery to ensure that it is connected and working correctly.
How to Replace the Battery in a BMW 325xi
1. Open your BMW 325xis trunk.
2. Turn the knob holding the panel over the battery on the right side of the trunk. Remove the panel.
3. Loosen and remove the clamp holding the black cable to the batterys negative post. Loosen and remove the clamp holding the red cable to the batterys positive post.
4. Twist off the knob holding the center bracket over the battery. Pull up the bracket and remove the old battery. Put the new battery in place and tighten the bracket over it.
5. Tighten the clamp on the red cable over the positive post on the 12 volt battery. Tighten the clamp on the black cable over the negative post on the 12 volt battery.
6. Screw the panel back on over the battery. Close the trunk.