High pitched whining noise down to a lower pitch.... sometimes it stops whining
Could be your alternator or a bad idler pulley. Is the transmission good? It may be the tranny or your differential whining.
Check the transmission oil level. That sometimes causes a whining sound.
Hope this helps.
SOURCE: the heater fan on my 98 chevy silverado stopped
Run 12V directly to the motor and see if it will run, if it dosent than the motor is bad, if it does than the resister is bad, the resister makes the blower run and also regulates the speeds for the blower, but chanses are if it was making a high pitch squeel before it quit the motor went out.
SOURCE: 1990 chevy s10 blazer 4wd. Xmsn whines.
if this happens only in the morning after you start for the first time its the clutch on the fanblade needs replacing
SOURCE: high pitch whine
sounds like your one of your hubs on the front axle are staying engaged when you turn off the 4wd. By reselecting the 4wd high and back to 2wd hi it is causing it to release. Get it looked at these can get expensive if damage is done.
SOURCE: Have 93 Chevy G 30 HAve a High pitch whine that
This could be anything from the pump in the transmission to the alternator bearings/bushings to the power steering pump. Could be an idler pulley bearing, but I doubt it.
Hint: If the noise is very high-pitched, check the alternator. If it is a lower, medium-high-pitch sound that changes some when you turn the wheels, check the power steering pump. If it is almost like a moan or a "Whooo" sound, that's the transmission pump.
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is an automatic tracker
actually sounds like near the water pump...pulleys look fine, will check 4 whell drive out, seems it does not matter if 4 or 2 wheel drive
could this be bad transmission fluid? i checked it and was black
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