When i have my stereo on, with or without the volume up, occasionally i get this whine that increases in pitch along with the engines rpms. you kick the kick panel and it will quit. i have checked for bare wires in this area and i can't find anything. it did it with the factory stereo as well as 2 different aftermarket stereos. does anyone have any ideas as to what it could be?
Re: whining problem on a 95 mustang gt convertible
This is a pretty common problem, and its from the alternator.....you can install an in-line noise filter (available at radio shack or anywhere sound systems are installed).... just follow the instructions on the package....the installation is painless also check your grounds make sure they are secure, and make sure if you have and power lines running to any amps they are not inter twined with any speaker wires.
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that whine you are hearing is the transmissions torque converter , it is low on fluid , how long since you had auto tranny flushed , pull the tranny dipstick , fluid should be red or pink , if it is brown or even worse BLACK , your transmission is ready to fail
There are a couple of things to check. If your power steering pump is low on fluid, or a bad bearing is in the Alternator, they will whine. The PCV valve or any hole in the Vacuum lines will whine as RPM is increased. Even having the Air filter box not fully seated will make a whining noise.
Now both automatic and manual transmissions can whine as RPM is increased. Check fluid for each.
Serpetine belt and pulleys-can make noise.
Sometimes you can shift into neutral at any speed and the engine rpm will drop almost instantly as the car rolls at speed. If the problem disappears as soon as the rpm drops, then an engine part probably is the reason.
I do NOT believe that the timing chain needs to be replaced until the oil pressure-controlled tensioner is at its maximum runout. That can happen in a few thousand miles if you race the car - or can take 150,000 miles if you use it as a daily driver. The chain will whine loudly when it is no longer being held tight.
What you are hearing is ground loop interference. If you have an aftermarket headunit/amplifier this is a common occurrence. A ground loop isolator in line with the low level amplifier inputs should solve the problem. Otherwise, it may be a malfunction of the stock cd unit or amplifier. BMW used a balanced input on some of the stock amplifiers, which would make ground loop interference all but impossible.