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Student-Contributed Wiki

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Fog lights won't turn on ¶ 

Burnt fuses ¶ 

Fuses are the bridge between the car's battery and the electrical components of the car. They prevent any one device from drawing too much current and blowing up the circuit. Burnt fuses, though, will cause a device to stop functioning completely. Check the fuse box to see if any of the fuses have burnt up.

Burnt out light ¶ 

Fog light filaments are very delicate and break easily. If it is broken, there will be no current flowing to the bulb, and it will not turn on. You will need to replace the light bulb.

Speaker is making a funny sound or doesn't work ¶ 

Burnt fuses ¶ 

Fuses are the bridge between the car's battery and the electrical components of the car. They prevent any one device from drawing too much current and blowing up the circuit. Burnt fuses, though, will cause a device to stop functioning completely. Check the fuse box to see if any of the fuses have burnt up.

Blown speaker ¶ 

If a speaker is played too loudly or with too much bass, it can be "blown out." This means that the sound is either fuzzy or completely gone. This usually means that the speaker needs to be replaced. Please refer to the speaker replacement guide for more information on how to replace the speaker.

Dome lights stop working ¶ 

Burnt fuses ¶ 

Fuses are the bridge between the car's battery and the electrical components of the car. They prevent any one device from drawing too much current and blowing up the circuit. Burnt fuses, though, will cause a device to stop functioning completely. Check the fuse box to see if any of the fuses have burnt up.

Burnt out lights ¶ 

Dome lights have fragile filaments that break easily. If they break, the circuit is incomplete and the lights won't turn on. Please refer to the dome light replacement guide for more information on how to replace the dome lights.

Stereo stops working ¶ 

Burnt fuses ¶ 

Fuses are the bridge between the car's battery and the electrical components of the car. They prevent any one device from drawing too much current and blowing up the circuit. Burnt fuses, though, will cause a device to stop functioning completely. Check the fuse box to see if any of the fuses have burnt up.

Bad head unit ¶ 

Radio head units can be very fragile. A number of things can damage them, including playing music too loud, improper installation, old age, and physical damage. Please refer to the radio head replacement guide for more information on how to replace the radio head unit.

Blown speaker ¶ 

If a speaker is played too loudly or with too much bass, it can be "blown out." This means that the sound is either fuzzy or completely gone. This usually means that the speaker needs to be replaced. Please refer to the speaker replacement guide for more information on how to replace the speaker.

When should the oil be changed? ¶ 

Approximately every 5000 miles ¶ 

If it has been 5000 miles since the last oil change, it is time for a replacement. Please refer to the oil change guide for more information on how to change the oil.

The vehicle vibrates when braking ¶ 

The brakes pads are worn too far ¶ 

The brake pads need to be replaced.

The Rotors are bent out of shape ¶ 

The rotors either need to be turned (machined straight) or replaced.

The vehicle makes harsh noises when engine is running ¶ 

The vehicle makes loud knocking noises. Engine vibration is greater than normal.

The engine air filter is dirty ¶ 

The engine air filter is dirty and needs to be replaced or cleaned.

Worn Spark Plugs ¶ 

The spark plugs are worn and failing to spark consistently. They need to be

replaced.

The vehicle tends to drift to one side of the road ¶ 

The tires have worn unevenly ¶ 

The tires may have worn unevenly, and need to be rotated.

The wheel alignment is off ¶ 

The alignment may be off from center, or has shifted slightly. The wheels must be realigned.

A wheel bearing is worn and loose ¶ 

A wheel bearing may be loose, causing a wheel to wobble and the car to drive inconsistently. The bearing should be replaced.

The brake pedal has little resistance ¶ 

There is little or no resistance when pushing on the pedal.

The brake lines are leaking ¶ 

The break lines could be damaged and leaking or the fittings are loose. To check have someone push repetitively on pedal while another is under the car listening for leak. It should make a gurgling or spitting sound.

The master cylinder or slave cylinder is defective ¶ 

The master cylinder (at the pedal) or slave cylinder (one at each wheel) could be defective and have fluid bypassing the plunger. This is difficult to detect and should be brought to a mechanic.

The vehicle will not start when key is turned ¶ 

The battery is dead ¶ 

If the vehicle makes a clicking noise when key is turned then the battery is most likely dead. Replace or charge the battery. Check the battery replacement guide for more information.

Starter is broken ¶ 

If one distinct loud click is heard when the key is turned then the starter solenoid may be broken. Replace solenoid, part number found in vehicle owners manual.

Battery is disconnected ¶ 

If no noise is heard when the key is turned the battery is disconnected. Check for corrosion on battery leads or if the leads became loose.

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