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Lost my power steering and brakes on my 2004 F350 no leaks fluid is good pump is turning. What could be the problem? Thanks Dale

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  • Cars & Trucks Master
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Bad master cylinder bad steering pump

Posted on May 03, 2015

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Posted on Jan 02, 2017

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SOURCE: Lost all power steering fluid and brakes

Hi Salmancasmi,
On vehicles with a hydraulic booster you will find that the power steering pump supplies fluid through bot the steering gear box and the hydraulic booster.
Just a visual inspection of the system should point you to the part that failed, most likely a hose. These can be obtained through your local parts store or dealership.
Locate and replace the failed part, refill the reservoir with power steering fluid. With the front of the truck on jack stands, start the truck and turn the steering wheel from full left to full right several times while pumping the brakes. This will remove the air from the system. Recheck for leaks and fluid level and you'll be on your way.
Hope that helps, good luck.

Posted on Nov 27, 2008

  • 6 Answers

SOURCE: 2004 f350 power steering problem.

2006 f350 crew 4x4. Replaced p/s pump,booster,put gauges to check pressure? Fluid clean, lifted in air to check steering linkage and turning without load. Still baffled ! I work at a Ford dealer and mechanics said its normal. Thats BS! I replaced the p/s pump so im guessing the screen was new with the pump. I will check for the hell of it. I have a feeling it is suspension under load. The symptom on this truck is not turning when brake applied. Also hard turning when vehicle is on and in park,wont turn.

Posted on Apr 10, 2010

  • 14036 Answers

SOURCE: My ABS/brake light came on after warming up. I

YOUR VECHICLE HAS THE HYDRALIC BOOSTER.WHICH YOU POWER STEERING PUMP CONTROL BRAKING SYSTEM.CHECK POWER STEERING PUMP FLIUD LEVEL.IF LOW CHECK POWER STEERING PUMP HOSES FOR LEAKS.IF YOU FIND NO LEAKS.THE HYDRALIC BOOSTER OR POWER STEERING PUMP FAULTY.

Posted on Jun 20, 2010

jmgldsmth
  • 1889 Answers

SOURCE: 2004 gmc envoy leaking power steering fluid and

replace the leaking power steering hose

Posted on Jul 22, 2010

  • 1 Answer

SOURCE: I have a 2003 Ford

It might be the rack and pinion kit (seals)

I had this problem 2 months ago... replaced the powersteering pump 3 times until I convinced the mechanics to look at the rack and pinion. there they found the leak, especially when I turned the wheel.. They first kept telling me there was air in the lines and it would go away. but that never happened.

Posted on Nov 17, 2010

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1 Answer

It has a diesel engine so brakes get pressure off of power steering pump.


power assist come from power sterrig pump
brake master cylinder produces brake pressure
if no pwer assist check power sterring fluides and lines
assuming the pump is good do to steering o.k.(not mention)
if no pedal pressure check fluide level top up and depressed sevral time then check for leakage if nothing found may be flowing back to powersterring reservoir check to see if level whent up

Feb 09, 2011 | 2004 Ford F350

1 Answer

My ABS/brake light came on after warming up. I


YOUR VECHICLE HAS THE HYDRALIC BOOSTER.WHICH YOU POWER STEERING PUMP CONTROL BRAKING SYSTEM.CHECK POWER STEERING PUMP FLIUD LEVEL.IF LOW CHECK POWER STEERING PUMP HOSES FOR LEAKS.IF YOU FIND NO LEAKS.THE HYDRALIC BOOSTER OR POWER STEERING PUMP FAULTY.

Jun 20, 2010 | 2004 Chevrolet Avalanche

2 Answers

My power steering and brakes went out last night; what would cause both those to got out at the same time? There was a puddle of red fluid on the ground. A hose maybe? hopefully?


Yes could be a hose to your power steering or a leak some where's. your brake work off of your power steering pump because your truck has a hydraboost and not a brake booster that work's off of vacum, so if it's low on power steering fluid the brakes will not work, to check add fluid to the pump and have some one turn the wheel all the way and hold while you check for leak's, hope this was very helpful,good luck

May 12, 2010 | 2000 Ford Excursion

1 Answer

LOST MY POWER STERRING AND POWER BRAKES ON MY


check for a blown power steering line, lack of fluid in the power steering reservoir, and check to see if the pump is blown. i believe the brake boost on this truck is assisted by the pressure and flow of the power steering pump. also check for leaks on steering gear box

Feb 04, 2010 | 2004 Chevrolet Avalanche

1 Answer

What would cause the power steering and the power brakes to fail on a chevy avalanch


Check power steering fluid level.
Power steering pump provides hydraulic assistance to you brakes.
if the level is low, add fluid and check if there is a leak somewhere.
If the level is OK, suspect a bad power steering pump.
Hope it will help
Dan

Dec 26, 2009 | 2004 Chevrolet Avalanche

1 Answer

I have noticed today, that when i have pressed the brakes it seems there is no power brake. This has happened several times today, and this is the first time.


If you have vacuum brakes then you might wnat to check for a vacuum,leak. If no leaks are present then the booter is at fault, and may need to be replaced. If you have hydroboost, you may need to add power steering fluid, if fluid is ok then it could be the power steering pump or the in line valve on the pressure hose.

Nov 18, 2009 | 2000 Ford F350 Super Duty Super Cab

1 Answer

Lost all power steering fluid and brakes


Hi Salmancasmi,
On vehicles with a hydraulic booster you will find that the power steering pump supplies fluid through bot the steering gear box and the hydraulic booster.
Just a visual inspection of the system should point you to the part that failed, most likely a hose. These can be obtained through your local parts store or dealership.
Locate and replace the failed part, refill the reservoir with power steering fluid. With the front of the truck on jack stands, start the truck and turn the steering wheel from full left to full right several times while pumping the brakes. This will remove the air from the system. Recheck for leaks and fluid level and you'll be on your way.
Hope that helps, good luck.

Nov 26, 2008 | 2001 Ford F350 Super Duty SuperCab

2 Answers

F350 super duty power stroke diesel loss of power steering when standing still


Power steering pump is weak. If a hydraulic gauge were placed on the pump, you would find it only able to produce about 200-400 psi at an idle. PS requires up to 1500psi. A new pump would produce 1500psi at an idle so replace the pump and you will be fine. By revving up the motor you are able to make the pump put out more psi. The pump is defective internally. Get a good one from the junkyard. Most PS pumps last the life of the vehicle.

Oct 14, 2008 | 2001 Ford F350 Super Duty SuperCab

3 Answers

2004 f350 power steering problem. when the truck is in gear with your foot on the brake you cant turn the wheels. the power steering pump has been replaced and the fluid changed with no result.


2006 f350 crew 4x4. Replaced p/s pump,booster,put gauges to check pressure? Fluid clean, lifted in air to check steering linkage and turning without load. Still baffled ! I work at a Ford dealer and mechanics said its normal. Thats BS! I replaced the p/s pump so im guessing the screen was new with the pump. I will check for the hell of it. I have a feeling it is suspension under load. The symptom on this truck is not turning when brake applied. Also hard turning when vehicle is on and in park,wont turn.

Aug 14, 2008 | Ford F-350 Cars & Trucks

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