Question about 1989 Chevrolet C3500

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Dually 3500 chevy hydro boost power steering pump on how to install the hoses

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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leetamara
  • 702 Answers

SOURCE: power steering - 1999 chevy silverado

You're going to have to bleed the system alot on those trucks. Just remove the return line and have an assistant turn the steering wheel back and forth just enough to engage the pump and filling the resevour while doing this. Keep bleeding until you have a good flow of P/S fluid out with no air bubbles. This can take a while.

Posted on Aug 24, 2008

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Danno5691
  • 17 Answers

SOURCE: need help changing the front rotors on my chevy

Have to pull the front wheels, next back out the two caliper bolts (Allen head), next slide the caliper out of it's seat and set up on the spindle, careful not to damage the flex brake line. This will now free the rotor to come off the spindle. This is also a good time to check/replace brake pads. Chances are if your changing rotors, due to brake damage, warped or other, the pads need changed. This is simply done by sliding the old pads out and placing a C clamp over the piston to back it into the caliper housing to allow room to install new pads. Apply a little antisieze lub behind the pad between the piston and also anywhere the new pad bears. Install the caliper in reverse order and put the wheels back on. Remember to test the brakes before hitting the road, The new pads will have to be pushed out by applying brakes a few times. Then you should be good to go.
Hope this helps.

Posted on Apr 25, 2009

  • 82 Answers

SOURCE: I have a 2002 chevy 2500hd with a whining power steering pump

try changing the fuel filter

Posted on May 05, 2009

citroenchris
  • 600 Answers

SOURCE: i need a rear brake diagram for a 89 chevy 3500 4x4

Try this website :-http://www.compnine.com/index I used it to fit a parking brake to our 1999 sierra that had them missing

Posted on Aug 06, 2009

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1 Answer

Can someone tell me if the hydro boost could


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.

Sep 19, 2014 | Cars & Trucks

1 Answer

2001 Silverado 2500 HD Why Rear brakes don't work after I installed new hydro-boost power booster, master cylinder, calipers, and pads. I bled master cylinder before installing, and brakes beginn


Hello Patricia,

Have you checked the master brake cylinder reservoir for brake fluid loss?

I don't suspect the master cylinder as you have replaced it... but am more suspect of a leaking brake line or fitting which should have
been discovered when you had the system bled.

The only time I ever had a rear brake problem with a 2500 series Chevrolet was due to seized rear brake caliper guide pins...as your calipers are also new that is not your problem.

If your brake pedal feels spongy and travels to the floor board you have air in the system, a brake fluid leak or a failure in the power steering system, such as a broken hose, broken power steering pump drive belt, or failed pump, would result in a loss of pressure to both the hydro-boost and steering.

Find more information here:

. Hydro Boost Power Assist Systems Operation Diagnosis and Repair

Jul 23, 2017 | 2001 Chevrolet Silverado 2500HD

1 Answer

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.

May 03, 2012 | 2001 Chevrolet Tahoe

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

2 Answers

I have a 2006 chevy silverado with a 6.6 litre diesle that has what i think is a power steering fluid leak up at the master cylander or break booster on the fire wall the hoses run from the power steering...


The Duramax trucks by Chevy and GMC use Hydro-Boost brakes, meaning that they use a hydrolic pump for the brakes and the steering. GM has had real trouble with leaky Hydrlic hoses on all their trucks for a few years (like my truck) for leaking coolant lines from the trans and as I found out today during my oil change, coming from the hydro-boost. These are replacable, but not under warrenty for you or me.

Jun 21, 2010 | Cars & Trucks

1 Answer

Press on brake and stering locks up


Steering locking up is not normal. You have a hydro-boost assist power steering system on your vehicle. It uses the power steering pump to apply hydraullic pressure to assist in braking. The hydro-boost system may have a problem, pressure or restriction problem. Have dealer check booster and current updates to check valves, there may be a service bulletin for your concern.
Hope this helps.

Mar 02, 2010 | 2007 Chevrolet Silverado 2500HD

1 Answer

Two power stearing pumps broke replacing the third now one lasted 1yr other one lasted 3 month both shaft broke why what about hydro boost


theres a mojor problem with these pumps, the shaft fractures it was a defect build call your dealer theres a revised pump to replace these and may be under warranty. they are also paying customer back for repairs.hydro boost also uses a power steering pump, the diffrence is theres no vaccum booster in hydro boost the brakes are power with the power steering pump, next thing is try useing a dealer part and make sure the pulleys are all lined up and replace the pulley on the pump also. hope this helps.

Feb 18, 2010 | 2000 Chevrolet 3500

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

Power breaks and stearing not working


This is a hydro boost brake system that runs of your power steering so if the power steering fluid is low then you will have no brakes and no steering or if the ps. pump stops pumping then the same thing will happen check for proper fluid level check for broken ps belt if they are find then suspect a bad ps. pump:]

Jun 21, 2009 | 1999 Chevrolet 3500

1 Answer

2001 chevy sylverado 2500hd power steering and power brakes quit


check power steering fluid. first. if all good . power steering is going. your hydro boost brake system depends on the power steering pump if it goes out your brake go out.

Jan 12, 2009 | 2001 Chevrolet Silverado 1500

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