Question about Car Audio & Video
This is Alternator noise, you need to install a DC power filter, go to the link below for a high quality filter.
If u wish to understand the causes and repairs for "alternator whine" go to this link and read the article there.
Posted on Jul 15, 2009
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Many newer cars have vacuum assist transmissions. Indications are that you have a loose or broken hose. These draft lines are usually connected to the intake manifold area on top and snake over long distances across often hot surfaces. Trouble shooting these malfunctions can be complicated and dangerous since other devices may also share these vacuum circuits. Have a trustworthy friend fully depress the "E" brake, hold the regular brake, putt the car in reverse, and then you can get a closer listen to were the noise is coming from. This leaking hose can vary in color and size ranging from pencil lead to thumb diameter. It might be a cheep fix. There is an oil plug on the rear differential. On a level surface, remove the plug; if oil starts to flow out, the fluid is full. If no oil flows, carefully put your finger in the hole and feel for the oil level. Your finger should go no lower than the first knuckle before you feel oil. If it goes further, you are low on oil and should either fill it up or better yet replace it. Rear axle oil doesn't get replaced nearly often enough in most vehicles and since your truck is 18 years old, would be a bad idea to have it changed. Be careful and good luck. God Bless.
Posted on Jul 15, 2009
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Posted on Jan 02, 2017
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