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Can someone tell me if the hydro boost could

Can someone tell me if the hydro boost could affect the steering

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Depends on the car and the problem.
The hydro-boost gets pressure from the power steering pump on some models, so the pump could affect the hydro-boost but usually not the other way around. You could disconnect the hydro-boost lines and the power steering should still work.

Posted on Sep 19, 2014

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SOURCE: 2000 FORD EXCURSION POWER STEERING

How does the hydro boost fell "funny" - does the brake pedal go to the floor? Do the brakes lock up? engage immediatly? Does the brake light stay on, come on while brakes are applied? Have a diagnostics test done on it at a local auto parts store (usually a free service; stores may vary) and see if any codes show up. If so, the person submitting the test can tell you what the code(s) mean, and what to do to fix the problem.

Posted on Mar 31, 2009

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2001 chevy tahoe vacum hoeses for power steering


Hello! There are power steering fluid in/out hoses but no vacuum lines...It sounds as if the pump needs to be bled of air or the belt is loose...Belt should move about 1/2 to 3/4"...Bleeding is as follows...
Guru...saailer

    ImportantPower steering fluid level must be maintained throughout bleed procedure.
  1. Fill pump reservoir with fluid to minimum system level, FULL COLD level, or middle of hash mark on cap stick fluid level indicator.
  2. ImportantWith hydro-boost only, the oil level will appear falsely high if the hydro-boost accumulator is not fully charged. Do not apply the brake pedal with the engine OFF. This will discharge the hydro-boost accumulator.
  3. If equipped with hydro-boost, fully charge the hydro-boost accumulator using the following procedure:
  4. 2.1. Start the engine.2.2. Firmly apply the brake pedal 10-15 times.2.3. Turn the engine OFF.
  5. Raise the vehicle until the front wheels are off the ground. Refer to Lifting and Jacking the Vehicle in General Information.
  6. Key on engine OFF, turn the steering wheel from stop to stop 12 times.
  7. Vehicles equipped with hydro-boost systems or longer length power steering hoses may require turns up to 15 to 20 stop to stops.
  8. Verify power steering fluid level per operating specification. Refer to Checking and Adding Power Steering Fluid .
  9. Start the engine. Rotate steering wheel from left to right. Check for sign of cavitation or fluid aeration (pump noise/whining).
  10. Verify the fluid level. Repeat the bleed procedure if necessary.


I’m happy to help further over the phone at https://www.6ya.com/expert/david_6df67de3b14de867

May 03, 2012 | 2001 Chevrolet Tahoe

2 Answers

What causes the brakes and power steering to go out at the same time?


Are you a diesel? If you are do the recall ,for the hydro boost (brakes) you sound like it.There is a recall on the hydro boost and yes this is a power steering assist, and a brake power assist
Recall I.D # 04045000

May 02, 2011 | 2004 GMC Sierra 2500

1 Answer

Power steering and brakes do not work when I returned from vacation


RECALL: 2003-2004 Hummer H2 NHTSA Campaign Number: 04V045000

www.nhtsa.dot.gov
Manufacturer GENERAL MOTORS CORP. Recall Date: 02/04/2004 Potential Number Of Units Affected: 68,875 Description SERVICE BRAKES, HYDRAULIC Summary CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING RELIEF VALVE BORE. Consequence CONSEQUENTLY, THE VALVE O-RING SEAL MAY FRACTURE. STEERING EFFORTS MAY BE SLIGHTLY INCREASED WHILE BRAKING OR PARKING. UNDER CERTAIN DRIVING CONDITIONS, A FRACTURED SEAL MAY REQUIRE A SLIGHT INCREASE IN THE APPLIED BRAKE PEDAL EFFORT TO ACHIEVE THE SAME VEHICLE DECELERATION RATE AS PRIOR TO THE SEAT FRACTURE. Remedy DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON APRIL 26, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339; CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463; OR HUMMER AT 1-866-486-6376.

Jan 03, 2011 | 2003 Hummer H2

1 Answer

My brakes and power-steering are not working. The brake pedal is hard, but the brakes will not engage. The power steering was not working at the same time. It has brake fluid, but when I took the power...


Yes, your brakes are boosted by the power steering pump rather than by vacuum. I don't think it's air in the system. More likely your pump has failed, but you can try bleeding the pump. Here is a procedure from autozone.com:

Observe the following:
Use clean, new power steering fluid type only Hoses touching the frame, body or engine may cause system noise. Verify that the hoses do not touch any other part of the vehicle. Loose connections may not leak, but could allow air into the steering system. Verify that all hose connections are tight.


NOTE Power steering fluid level must be maintained throughout bleed procedure.

  1. Fill pump reservoir with fluid to minimum system level, FULL COLD level, or middle of hash mark on cap stick fluid level indicator.
    NOTE With hydro-boost only, the oil level will appear falsely high if the hydro-boost accumulator is not fully charged. Do not apply the brake pedal with the engine OFF . This will discharge the hydro-boost accumulator.
  2. If equipped with hydro-boost, fully charge the hydro-boost accumulator using the following procedure:
    1. Start the engine.
    2. Firmly apply the brake pedal 10-15 times.
    3. Turn the engine OFF

  3. Raise the vehicle until the front wheels are off the ground.
  4. With key in the ON position and the engine OFF , turn the steering wheel from stop to stop 12 times. Vehicles equipped with hydro-boost systems or longer length power steering hoses may require turns up to 15 to 20 stop to stops.
  5. Verify power steering fluid level per operating specification.
  6. Start the engine. Rotate steering wheel from left to right. Check for sign of cavitation or fluid aeration (pump noise/whining).
  7. Verify the fluid level. Repeat the bleed procedure if necessary.

Observe the following:



Use clean, new power steering fluid type only Hoses touching the frame, body or engine may cause system noise. Verify that the hoses do not touch any other part of the vehicle. Loose connections may not leak, but could allow air into the steering system. Verify that all hose connections are tight.
NOTE Power steering fluid level must be maintained throughout bleed procedure.
  1. Fill pump reservoir with fluid to minimum system level, FULL COLD level, or middle of hash mark on cap stick fluid level indicator.
    NOTE With hydro-boost only, the oil level will appear falsely high if the hydro-boost accumulator is not fully charged. Do not apply the brake pedal with the engine OFF . This will discharge the hydro-boost accumulator.
  2. If equipped with hydro-boost, fully charge the hydro-boost accumulator using the following procedure:
    1. Start the engine.
    2. Firmly apply the brake pedal 10-15 times.
    3. Turn the engine OFF

  3. Raise the vehicle until the front wheels are off the ground.
  4. With key in the ON position and the engine OFF , turn the steering wheel from stop to stop 12 times. Vehicles equipped with hydro-boost systems or longer length power steering hoses may require turns up to 15 to 20 stop to stops.
  5. Verify power steering fluid level per operating specification.
  6. Start the engine. Rotate steering wheel from left to right. Check for sign of cavitation or fluid aeration (pump noise/whining).
  7. Verify the fluid level. Repeat the bleed procedure if necessary.

Oct 24, 2010 | 2005 Chevrolet Silverado

1 Answer

Loss of brakes and steering


sounds like you've got a bad power steering pump. i'm not familiar with your vehicle, but some brake boosters run off vacume from the engine and others run off the power steering pump and it's called hydro boost. if you have the hydro boost type, this is most likely your issue.

Feb 09, 2010 | 2001 Chevrolet Silverado 2500HD

1 Answer

I replaced the hydro boost on my 2000 2500 silverado because the original one was leaking.since then the brakes seem to have no power or boost.i purchased the reman. from o'reileys.do you think the reman...


It could be defective it just gets install make sure you have enough power steering fluid at the power steering pump, I have tow trucks with hydro boosters and they just get install and that's it. return it and get another one.Hope this was very helpful.

Jan 30, 2010 | 2000 Chevrolet Silverado 2500

1 Answer

2000 FORD EXCURSION POWER STEERING


How does the hydro boost fell "funny" - does the brake pedal go to the floor? Do the brakes lock up? engage immediatly? Does the brake light stay on, come on while brakes are applied? Have a diagnostics test done on it at a local auto parts store (usually a free service; stores may vary) and see if any codes show up. If so, the person submitting the test can tell you what the code(s) mean, and what to do to fix the problem.

Mar 31, 2009 | 2000 Ford Excursion

2 Answers

Power steering went out along w/brakes


Does it have a hydroboost brake booster? Is the belt still on the p/s pump? Have you checked the power steering fluid level? If yes and good to all, replace the Power steering Pump.

Mar 26, 2009 | 2005 Hummer H2

3 Answers

Power steering & power brakes


Sounds to me like your power steering pump has gone bad. Being a vehicle with a hydro-boost brake system that would explain the power brake failure. Hydro-boost brake systems utilize pressurized power steering fluid to provide brake assist. In most lighter GVWR vehicles this function is performed by engine vacuum. There is a recall on certain Silverados and Sierras that addresses a faulty check ball in the booster, but your vehicle is affected by a steering issue as well. This would indicate to me that it is the pump. You can however check online to verify if your vehicle is affected by the recall. Hope this helps.

Nov 04, 2008 | 2002 Chevrolet Silverado

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