Out of nowhere, loud screeching sounds when turning the wheel, first only in reverse, now (next day) always. It looks as though the power steering fluid is low or out, although no warning lights came on. Can it be just a lack of fluid? If so, why suddenly, and what else could we suspect may be behind it? All fluids were checked a couple months ago, when a belt and tensioner were replaced.
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Hi,try putting a stop leak additive in the power-steering-pump reservare to stop the leak,and the screeching could be comeing from the belt that runs the power-steering-pump-pully.(It sounds like it might be slipping so will need adjusted).
Hope this was some help.
I would like to think it is the electric fan behind the radiator that is screeching. When you stop the car, everything should stop, but that fan. That fan is supposed to cool the radiator, even after the engine is off and the car stops. It would not be so bad, because it does not run as much, in cold weather, but in hot weather, it should start sooner and run longer.
I needs to be replaced.
the belt will make a screeching noise for the power steering if it is loose or worn out. check out the belt, or the power steering pump front bearings failed and will not let steering pump to spin. have a good day !!
The high pitch sound may come from the brake pads as metal parts hit the disc to signal the owner that it needs change. The metal parts gets exposed when the pads have worn out. The brake also has a hub to cover the disc. See if the metal plate is hitting it but this issue would appear when the wheels are in motion. Check if it is the belts, have the tension checked out. Other than that the bearings are the other items on your wheel that could cause a high pitched sound when you car is in motion.
If your C/V joint is going bad it will make a nasty clicking sound and get louder the longer you leave it unattended.If this noise went away it could have been something stuck it the moving area of your wheel and just worked itself out.Keep an ear out for the noise to return,it it dosen't come back be happy.
The only four rotating items under the hood are
power steering pump
and smog emission pump.
I would check the fluid level on the power steering first. Check for pink fluid leak on the ground,
Check the A/C system with the wheel turn to one side and APPLY ALL LOADS.
Example: high beam on,A/C max,radio on and deforster on.
This will give you system a stress test.
All eyes on the pully and locate to part that generate the loud screeching noise.
My bet is on the power steering pump.
Please post more info on the comment window.
I will follow up on it.
it sounds like the power steering belt is loose. If it has a tensioner pulley the spring in it might be loosing it's tensile strength. While you are looking at the belt pay attention to the side that is against the pulley to see if it has alot of cracks. If it has I think 10 cracks per inch that is too much and needs to be replaced.