Question about 1997 Acura CL

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Replaced engine in 97 CL. All put together but power steering fluid has a lot of air in it and making alot of noise. How do I get air out of power steering system?

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  • Roy Bullard Feb 19, 2012

    Since we replaced the engine the transmission at low RPM's shifts rough and finally the check engine light has come on(transmission malfunction). Any thoughts to this problem. Did not have any transmission problems before replacement. Is it a computer problem...such as computer trying to reset itself with replacement engine?



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Let it sit with the engine off. this will help the air bubble seperate from the fluid. With the reservoir full (using only hoda/acura specific P/S fluid), the engine off and the front wheels off the ground turn the steering wheel full left and full right several times while keeping an eye on the fluid level. Then start the engine and let it idle. Eventually the rest of the air will work its way out. Heavily cavitated fluid will take some time.

You can also add about an ounce of Seafoam Motor Tune to the P/S fluid. This will help remove the air bubbles from the system.

I’m happy to assist further over the phone at

Posted on Feb 16, 2012


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How to bleed power steering fluid of 97 Acura 3.0 CL

This all assumes you don't have a leak somewhere.
There are two lines on your power steering pump. One is going to the steering box, and one is coming back from it. The outlet hose has a bolt holding it, the inlet hose just has a clamp. pull the hose off that has a clamp and put into a can or something that can catch the fluid. Make sure you fill the reservoir all the way. While you are out of the way, have someone start the car, and be ready to turn it off. Let it pump fluid and then add new fluid. Do this until it is coming out clean. Put it back together and run it, then check the fluid level again. PLEASE ONLY USE GENUINE HONDA fluid, it really does make a difference. That may be why it is making noise.l

Sep 19, 2017 | Acura Cars & Trucks


Power Steering Pump Noise

As you turn your steering wheel it is this fluid pressure that aids in turning the wheels of your car. ... If the pump impeller is trying to move power steering fluid and starts catching air bubbles it can cause whining noises and vibrations to occur.
Maybe you've heard it at a stop light. Maybe you've heard it as you pass a car on the freeway. Or maybe you've heard it in the parking lot at work when someone is leaving. The unmistakable whine of a power steering pump can make even the most confident mechanic wonder when that car will breakdown.
Power steering pump noise is a unique noise that your car may make and once you've heard it you always know what it is. The noise is a mix of a whirring and a whining and will always vary with the speed of your engine whether your car is driving or in park. This whining noise can be subtle or extremely loud and may be worse in colder weather, or right when you first start your car.
Power steering pumps are most often vain style centrifugal pumps that are tasked with pressurizing the power steering fluid and pushing it down to your power steering gear or rack. As you turn your steering wheel it is this fluid pressure that aids in turning the wheels of your car.
There are a few reasons why you are hearing power steering pump noise from your car. First, it may simply be due to the design of the pump. Sometimes, noisy power steering pumps can continue to work flawlessly for years after they start making noise. This may simply be due to the manufacture's design or a tight tolerance in that particular pump. In this case, you would hear the noise but not see any other adverse effect like a loss in power steering, leaking fluid or a wobbly pulley. In this case, you may be able to help reduce your power steering pump noise by choosing a different type of power steering fluid, like a synthetic fluid.
Your power steering pump may also be making noises due to air trapped in the system. If the pump impeller is trying to move power steering fluid and starts catching air bubbles it can cause whining noises and vibrations to occur. Even tiny air bubbles you cannot see that are trapping in the power steering fluid may be causing the whining you are hearing. In this case, the best thing to do is flush your power steering system to try and remove the air from the system. Having air trapped in your power steering system can be difficult to diagnose so you may need to simply try a power steering flush to see if it solves your problem.
Power Steering pump noise may also be due to a failing power steering pump. As the bearings on the impeller go bad it will start to make noise as the pump is turning. If you have a bad power steering pump you usually will also experience leaks from around the pulley, a wobbly pulley, or difficulty turning the steering wheel when you are stopped. If you have multiple of these symptoms together, it is probably time to replace your power steering pump.
Lastly, and most usually, a whining power steering pump is an indication of a low fluid level. Your power steering fluid is probably something you have rarely if ever checked, so it often comes as a surprise if the level is low. Your power steering fluid reservoir is also relatively small so even a slow leak will cause a low fluid level relatively quickly. To confirm this is your problem it is as simple as checking your power steering fluid level. Some power steering reservoirs are clear so you can see through them to check how full they are. You may have to wipe away some dirt and grime to find the "full" line, but it should be easy to check. If you have an opaque power steering fluid reservoir there should be a small dipstick under the cap that will help you measure the fluid level. If it is low, then you have a leak somewhere and topping off the fluid should quite down your power steering pump.
If you discover a power steering leak, rather than simply continuing to add fluid every time it gets low, you should fix the problem permanently so you don't have to continue to check your power steering fluid level. Replacing lines or seals can be a surprisingly difficult task due to the location of your power steering pump and steering gear or rack. The easiest way to seal your leak is to do it from the inside out!

try this link out for more power steering problems.
Power steering whining sqreeching Google Search

on Dec 14, 2017 | Cars & Trucks

1 Answer

Accidently poured brake fluid into power steering reservoir

You'll need to bleed the system from the steering box, as you would the brake lines, by turning the steering from lock to lock repeatedly. If there's no air in the system there is a good chance its the steering pump causing the problem.

Dec 27, 2017 | Toyota Cars & Trucks

1 Answer

Accidently poured brake fluid in power steering reservoir

You have permanently damaged the seals in the system. Pump, hoses and rack will need to be replaced eventually. Drive it till it leaks.

Dec 30, 2017 | Toyota Cars & Trucks

1 Answer

My powersteering pump keeps making a loud noise replaced it twice when I take the cap off alot of air like the air is stuck kinda like when u open a new jar the lid pops that's what it sounds like could my...

One possibility is that the steering rack needs to be replaced. If it is binding up, it takes more work for the power steering pump and puts an extra burden on the pump. Since you have replaced it twice, this seems very likely.

Mar 08, 2011 | 2001 Oldsmobile Silhouette

1 Answer

Whenever I turn my steering wheel left to right it makes a noise

if power steering fluid is bubbly, means that its sucking air somewhere before(sucking side) (or on) power steering pump. that would explain the noise. Check (when cold) fluid level. if level is low, top up before starting the car. had a lot of cars that high preasure hose was leacking fluid on restricting valve. if so, fluid comes out on the end of protecting cover of the hose. (driver side on spark plugs and down the engine). replace hose with original. do not try to make it your self, becouse steering wheel will shake, sinse restracting valve is missing.
But if you press brake pedal, that has nothing to do with it.

Jan 02, 2010 | 2002 Volkswagen Passat

3 Answers

My power steering pump makes a growling noise even when the car is idle. The noise is louder when I turn the steering wheel. The power steering fluid has gotten low a couple of times and gets foamy.

if gets low definitely a leak foam is pump mixing fluid with air roar is pump cavitation check lines or pump for leak keep fluid at recommended level air bound unit can cause steering difficulty and or failure if need have trained mech look into problem

Oct 11, 2009 | 1999 Oldsmobile Cutlass

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