Things you can hear are wrong with your car...
Whirring from the front of the car that changes pitch with vehicle speed:
Possible causes:
Even though the noise is there at all vehicle speeds, it is the change in pitch as the car's speed changes that makes the noise most noticeable. Some problems will cause an extremely irritating sound while the car is moving at highway speeds. Some causes may or may not gradually develop, while others occur suddenly.
Loose or worn wheel bearings: Adjust or replace wheel bearings as required.
Worn universal joints: Replace universal joints.
Damaged flywheel inspection cover plate.
Loose fan shroud or bracket: Tighten or repair brackets as required.
Faulty torque converter: Replace torque converter.
There may be some internal transmission damage: Have transmission inspected and rebuilt or replaced if required.
Differential unit needs lubricant: Fill differential to proper level with proper fluid type.
The rubber of your tires may be too hard: Replace tires.
You are using the wrong type of tire for the surface of the road: Use correct tire type.
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There is a buzzing noise from the transmission:
Possible causes:
You notice a buzzing noise from the car whenever you start to move forward or in reverse. The noise is not there when you have the car in park or neutral, and it seems to go away after the car has been driven a while or when you are moving at higher speeds. The problem seems to occur more regularly.
The transmission's fluid level is low: Fill transmission fluid to proper level.
The fluid in your transmission is contaminated: Flush transmission fluid and replace transmission filter.
You have an internal problem in the transmission: Have transmission inspected and rebuilt or replaced if required.
Your torque converter is bad: Replace torque converter.
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Radio or Horn Not Working
Radio has a lot of static and sounds poorly:
Possible causes:
Every time you turn on the radio, you hear a lot of cracking, hissing and popping from the speakers. Even more so when you tune the radio to an AM station. The speakers work fine when you play a tape or CD.
The antenna connection to the radio is loose or corroded: Clean and tighten antenna connections.
The ground wire for the radio is loose or corroded: Clean and tighten radio ground wire.
Noise from the engine's electrical system needs to be isolated from the car's body: Replace or install radio static suppressors.
The antenna needs to be tuned (trimmed): Tune antenna.
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Radio doesn't work:
Possible causes:
You turn on the radio and there is no sound or lights.
The fuse to the radio is blown: Replace fuse.
The wiring to the radio is disconnected or damaged: Repair wiring as required.
The radio is bad: Replace radio.
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Radio turns itself off and on:
Possible causes:
The radio turns itself on and off without rhyme or reason. When it works, it is fine and there are no unusual noises from the speakers. This may happen all of a sudden.
The circuit breaker to the radio or in the radio is weak: Replace circuit breaker.
The wiring to the radio is loose or damaged: Repair wiring as required.
The radio is bad: Replace radio.
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Radio or trip computer won't work after you had service performed on your car:
Possible causes:
You took your car in for service, and things that worked before don't work now. This shouldn't happen unless you have an anti-theft radio or computer. These anti-theft items have protection circuits built into them to prevent thieves from being able to use them. If the work you had done on your car involved disconnecting the battery, the protection circuits locked out the usefulness of the radio and/or computer. This problem can also occur if you had your battery replaced or it died.
You need the security code that should be included in your owner's manual along with the directions for inserting the code: Enter security code.
If you don't have the security code, go to your dealership (must be an authorized dealer for your make and model of car). They can get the code and will be able to program the unit based on your car's identification (VIN) numbers: Obtain and enter security code.
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Horn works some of the time:
Possible causes:
Sometimes the horn works, sometimes it doesn't. Sometimes pressing the horn pad in different places, or by applying different pressure will get it to sound.
You have a bad horn switch (button) assembly: Replace horn button.
Your horn relay is bad: Replace horn relay.
The electrical wires that provide the ground circuit for the horn are damaged or loose: Clean and/or repair horn(s) ground wires.
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