What is the mechanism that comes after the power steering pump in the belt diagram?
I replaced my power steering pump do to a whining, well I replaced it and it still whines. After further inspection, I spun the all the pulleys on the front of the engine and found that the part below the power steering pump grinds like all heck. I don't know what it is and I'd like to replace it myself. I just need to know what it's called.
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Re: What is the mechanism that comes after the power...
It is a common fault with many cars / trucks, if it is grinding it is beyond lubrication. The good news is parts are available seperate for these pumps. You need a clutch pulley or just the bearing if that comes by itself. Seek part from an A/C specialist as it is normally way cheaper
Testimonial: "Thanks, the whole thing is bad. The bearings sound like I lost a few when it spins around and when the air is on, the pulley doesn't even move. Nevertheless I added to my description on how I "fixed" it. Problem solved until warmer weather comes to put in a new compressor. Thanks for the response!"
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Power steering pumps whine when they are low on fluid, or if they are goin bad. Serpentine belts also whine in cold weather or when they are goin bad. Tru spraying just a little WD40 on the belts when its running, if it goes away, you should be thinking about a new belt. If nothing changes, check the power steering fluid, if its full, take to a mechanic
excess mechanical drag from the pump can cause the belt to slip and squeal, but before focusing on the pump I'd check the condition, tension and alignment of the belt. I might even try cleaning all the pulleys with an aerosol brake cleaner and install a new belt, particularly if the current one has more than 50,000 miles on it. It might be that the squeal is coming from or caused by a different belt-driven accessory. A more typical noise from a power-steering pump is a high-pitched whine, not a squeal. Usually, if the steering wheel is stationary, meaning that the steering rack is not "asking" for assistance from the high-pressure fluid from the pump, there's little or no noise
power steering pump probably went out.. if you can easily get at the belt and are any kind of mechanically inclined, remove the drive belt to the p/s pump and then start the car if the noise is gone then its probably part of the power steering pump
normally, the only part of your automatic transmission that will make a whining noise is the pump. it usually whines when iether the fluid is low or more commonly when the transmission oil filter is getting plugged up.
the power steering pump will also make a whining noise too.
turn the wheel all the way to the right and hold steady pressure against the stop. this puts maximum force on the power steering pump and, if the power steering pump is the one making the whine, it will change the sound of it. (usually louder).
if the trans pump is making the whine noise, it should sound different in neutral compared to drive. this test will really only work if it make the noise without the vehicle moving. if it wont do it at idle hold the rpms at 2000 or so.
if you decide the noise is coming from the transmission, and the transmission filter has not been replaced (assuming you installed a used transmission), replace the filter by removing the oil pan.
oh and also, if it is the power steering pump you should be able to make it make the whining noise while the vehicle is stationary. if it wont make noise unless its moving its not the power steering pump.
When you checked the power steering fluid level were there any indications of excessive foaming? There are three things that would cause a whining noise from the power steering. 1- low fluid (you checked that so that is not the culprit), 2- loose steering drive belt (you should not be able to press down on the belt more that about one inch between the steering pump pulley and the crankshaft pulley), 3- power steering pump bearing worn out.
Checking the level of the power steering is a good start. The pump is mechanical, driven by the serpentine belt, and cannot be turned off. Your steering may seem normal but if you let it go, low fluid can destroy the pump.