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  1. #1
    Senior Member HellaJeff is on a distinguished road HellaJeff's Avatar
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    Default power steering noise

    i just have a quick question,

    if a car is low on power steering fluid, will it make a humming noise as you turn at medium speed?

    cuz, that's what's happing to me, and i really don't want to replace a steering fluid pump.

    also, when is it safe to check power steering fluid?

    thanks for the help.
    1999.5 jetta 2.0 AEG. And Ebay says 1999.5 isn't a model year. Pfff.

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    G&M Performance canucme3 is on a distinguished road canucme3's Avatar
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    Default Re: power steering noise

    Sounds kind of like a dying honda right?

    Yea if your fluid is low it will make that noise when ever you turn your wheel. You can just shut off your car and check it. Just twist the cap off and it has dipstick on the bottom of the cap to check.
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    Senior Member LoweredStandards is on a distinguished road LoweredStandards's Avatar
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    Default Re: power steering noise

    You can also check it when the vehicle is running, its not a pressurized system.

    When you add fluid to it, keep the cap off (with the car running) and turn the wheel lock to lock. The level may go down a little bit as the fluid fills the system, depending on how low it is. Then top it off to the full mark and you are good to go!

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    2000 Jetta GLX mtglading is on a distinguished road mtglading's Avatar
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    Default Re: power steering noise

    mines is doing the same thing because one of my hoses is cracked. i think gap has them for $100. dealership wanted like 300. hahahahahaha.
    http://jettajunkie.com/vw-jetta/show...1.html?p=59477

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    rollin deep bikerkid9069 is on a distinguished road bikerkid9069's Avatar
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    Default Re: power steering noise

    if your real low on fluid you should be able to feel it in the wheel, and also hear it. sounds almost like strait cut gears in a tranny (whining) noise.

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    Weekend Dubber Skimmer0220 is on a distinguished road Skimmer0220's Avatar
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    Default Re: power steering noise

    Quote Originally Posted by bikerkid9069 View Post
    if your real low on fluid you should be able to feel it in the wheel, and also hear it. sounds almost like strait cut gears in a tranny (whining) noise.
    agreed, it will be a whining noise, when mine was low it whined until it got warm
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    2000 Jetta GLX mtglading is on a distinguished road mtglading's Avatar
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    Default Re: power steering noise

    just to be safe, jack up your car, look under it and see if you see any fluid on the bottom of your car. if you see wet parts, you have a leak and will need to replace the hoses. just letting you know so you dont dump tons of money into gallons of ps fluid :P
    http://jettajunkie.com/vw-jetta/show...1.html?p=59477

    Quote Originally Posted by OregonDweller View Post
    Well if you didnt have a damn baby on your wheels maybe i could tell what they are! lol

  8. #8
    Jetta Junkie Moderator TurboJettaBoy02 has disabled reputation TurboJettaBoy02's Avatar
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    Default Re: power steering noise

    Quote Originally Posted by LoweredStandards View Post
    You can also check it when the vehicle is running, its not a pressurized system
    i gotta disagree on this. power steering is a highly pressurized system. a power steering pump can reach over 1,000 psi. the car should NOT be running to avoid eye injury. the dipstick will have a cold and hot measurement on it. just fill it accordingly. the buzzing sound might be the air in the system, itll need bled if u replace a hose or pump. u can do this by turning the wheel left and right, then checking the reservoir.

  9. #9
    rollin deep bikerkid9069 is on a distinguished road bikerkid9069's Avatar
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    Default Re: power steering noise

    if it wasnt pressurized you wouldnt have to buy special hoses... so i agree with turbojettaboy. i would check while engine is off. if its leaking check around the inner tie rod boots also. thats where mine was leaking from and i had to replace the rack. for about 3 hours i couldnt figure out where all the fluid was going until i jacked it up. noticed a few drops on the dust covers... pulled one off and had a mini waterfall in the garage haha

  10. #10
    Senior Member LoweredStandards is on a distinguished road LoweredStandards's Avatar
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    Default Re: power steering noise

    Let me rephrase it...

    The power steering system becomes pressurized AFTER the resevoir. The pump sucks the fluid out and the pushes it. If it were the other way around, there would be a pressurized line on top of the resevoir pushing the fluid downwards The reason for the special lines going to your steering rack is becaus the pressure can exceed 1000psi easily and power steering fluid is corrosive. BUT, although not recommended by dealers, it is safe to take the cap off with the car running and add fluid. Adding fluid when the car is off does not promise that it has reached the entire system. The resevoir may look full, but the fluid is simply "hung up" because the pump is not running.

    The system works the same way as brakes. Its pressurized after the resevoir. When you bleed brakes, you take the cap off and leave it off while you bleed all 4 calipers and depress the pedal. Its sort of the same concept, just with a mechanical pump that is sucking the fluid out.

    I do this literally every day at work, and we are a certified shop.

    1. Start the car
    2. Take off the cap slowly (use the six-finger method you would use to take off a radiator cap)
    3. Add fluid to the full mark
    4. Replace cap loosely, do not tighten or thread it down all the way
    5. Turn wheel lock to lock
    6. Add more fluid if necessary
    7. Tighten cap
    8. Enjoy your full resevoir and no more power steering squeel.


    But, you can do it whichever way makes you feel more comfortable.

  11. #11
    Senior Member HellaJeff is on a distinguished road HellaJeff's Avatar
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    Default Re: power steering noise

    wow, didn't mean to start a fight . I was just wondering because i used to work around hydrolics on farm implements, and i wouldn't want to touch those hoses or resevoirs while they're running.

    I'll have to do that this weekend.

    is there a specific oil i need, like a certain weight, or is it all the same?
    1999.5 jetta 2.0 AEG. And Ebay says 1999.5 isn't a model year. Pfff.

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    Senior Member LoweredStandards is on a distinguished road LoweredStandards's Avatar
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    Default Re: power steering noise

    I use pentosin Hydraulic Fluid 11S Synthetic Base, CHF 11S is what its called I believe

    Its OEM so i felt most comfortable using that.

    its like $20 a can

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    Jetta Junkie Moderator TurboJettaBoy02 has disabled reputation TurboJettaBoy02's Avatar
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    Default Re: power steering noise

    hey lowered, i wasnt out to make u look wrong. the problem is, yea i know u can get away with filling it (ive do it personally among other things and i always say "dont try this at home" btw ) that way. but im only supposed to suggest a "safer" way i guess lol. i dont want someone getting injured because of what i say. not sure if u know what i mean lol.

  14. #14
    Senior Member LoweredStandards is on a distinguished road LoweredStandards's Avatar
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    Default Re: power steering noise

    Yes, safer is always better.

    Either way will work just fine but in the shop we are trying to get cars in and out as fast as possible so we do it the "old fashioned" way I guess haha

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    Member dreamforme is on a distinguished road dreamforme's Avatar
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    Default Re: power steering noise

    i think power steering pumps are pressurized.

    hence when i had my jeep, it caught fire ha

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