It could mean it's time to change the fluid in the power steering system. This is best done by a professional shop that can properly flush and purge the system. I would advise spending a few dollars extra for SYNTHETIC Power Steering fluid as it lasts longer. Your vehicle should never "use up" power steering fluid. If it's low you have a leak somewhere and it needs to be addressed ASAP. If you let the power steering pump run with low fluid you will ruin the pump very quickly.
on a1995 ford windstar was running fine until power steering fluid leaked and foam up on to the engine
It really depends on the vehicle you put it in. ATF can sometimes "foam up" and cause air to get in the system. (PTB) To clarify: you may use ATF in some power steering, but do not even think about using power steering fluid in your transmission.
Frankly, any parts store power steering fluid will work fine in this application. GM uses robust power steering pumps, and they do not require any special fluid. However, do not use transmission fluid, it does not have the appropriate anti-foam additives, and can cause pump cavitation, which will damage the pump.
I don't know what you mean by " specs ' for p\s fluid. If you are talking about what to use,I suggest Power steering fluid. You can substitute trany fluid,but it has a tendency to foam. In " normal " steering systems this isn't awful,but in a rack and pinion system it could cause problems.
One or two thing can be happen I have 1999 lincoln it can be steering pump but for sure it's the rack opinion My lincoln dose the same
Sounds like the system is getting air in it from somewhere. Check to see if you see fluid leaking from any point of the system.
The fluid is burnt and has been overheated or in service too long. You may come out by draining the fluid from a hose connection at the lowest point of the PS system. Close drain. and refill with transmission fluid. Idle engine for 20 minutes and ocassionalyy turn steering wheel full left and right. any improvement? Drain fluid again and fill again with trans fluid, Improved? Replace with PS fluid. I've used transmission fluid in my Chevy van PS for twenty years but can't say you should do the same.THE FLUID DID NOT TURN BLACK IT HAS TURNED TO A LIGHT COLOR PINK BUT THE OTHER PROBLEMS YOU HAVE DESCRIBED IS DEAD ON. I WILL TRY WHAT YOU HAVE PRESCIBED. I WILL POST THE RESULTS WHEN I CORRECT THE PROBLEM.what ever you do DONT use tranny fluid in the power steering you must use PS fluid only unless you want to go through the proces of flushing your whole system repetedly because if any transmission fluid gets mixed with your PS fluid it becomes foamy and you will then have air in your lines.Ford specifically specifies Mercon V transmission fluidfor use in the power steering system.See "Related Questions" below for more
There is no advantage with foam in drilling fluid. When drilling fluid is foaming, it's not cooling or lubricating.
A number of reasons could cause this most likely it is too full
Sound is a vibration travelling through the air. When it hits foam, it causes the foam to vibrate, which in turn causes friction. The friction causes heat.
foam is caused by air getting into the pump and mixing with the hydraulic fluid, check the low pressure line from the reservoir to the pump for cracks or holes, this can also happen when fluid level becomes too low probably also caused by a leak. As stated above, air is in the system. To remove the air, make sure the reservoir is full. Start the engine and turn the wheel fully to the right and then fully to the left. Do this until all air is removed.
Aeration.