Can you replace just the hydraulic line in steering rack or does the entire rack have to be replaced?

Power steering fluid leaking from retainer on the right hydraulic line of the steering rack. When you start the engine any fluid in reservoir pours out. It started as a slow leak now it won't hold any fluid and I have not moved the car since discovering the leak. I know the lines come with a new rack but can just the lines be replaced by themselves?

My car has 165000 miles.
My car has an automatic transmission.

Experienced mechanics share their insights in answering this question :
The individual lines can be replaced but that is only worthwhile if there are no other faults with the rack. Also, inasmuch as the rack will probably have to be removed from the vehicle to replace an individual line, there is the related risk that you go to all that trouble, and expense, only to find other issues with the rack once it is re-installed in the car. But, again, to answer your principal question, the individual tubes can absolutely be replaced and they can even be fabricated right in the field. If you desire an inspection and advice as to the least cost and most effective repair strategy for this issue, please schedule a leak diagnostic and the responding certified mechanic will explain your options and ultimately get this resolved for you. If you have further questions or concerns as you decide what to do, do not hesitate to re-contact YourMechanic because we want you to make the most of your repair dollars and help you to get the best possible results.

How to Identify and Fix Common car Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced mechanics :

Rack and pinion leaks are often expensive to fix as the seals are difficult to service, even by a mechanic. Most leaks are solved by replacing the entire rack and pinion system to ensure the system works correctly.
Pressure Line Hose

The pressure line hose is designed to handle the high hydraulic pressure created by the pump as it feeds the steering rack.

In my educated opinion it is very unlikely that the P/S pump needs be replaced with the P/S rack. The pump is a far more robust mechanism than the rack. If there is no debris in the fluid from the failed rack, then I recommend that the fluid be drained from the pump when installing a new rack.
Replacement is typically the most cost effective solution. The process for replacing a rack typically takes 4-6 hours, make and model variances differ or course. Removing the rack involves disconnecting the steering linkage, removing the tie rods, disconnecting the hydraulic lines, and then the rack itself.
Power-steering hoses connect the steering pump to the rack-and-pinion assembly where pressurized fluid helps to push the rack left and right. Worn or damaged steering hoses are common sources of steering-fluid leaks.
The power steering pump`s maximum pressure should be set at a minimum of 200 psi above the system operating pressures. For example, if the system`s requirements are a 1000 psi, then the pump`s maximum pressure should be set at 1200 psi or above.
Because it`s an electronically-controlled system, it`s easy to alter the characteristics of electric power steering to suit individual preferences. Specifically, you can alter the steering weight to radically improve steering feel and high speed stability.
• The hydraulic power. steering system is a closed loop system that uses pressurized hydraulic fluids for changing the wheel angle of front wheels based on steering angle. • It contains a hydraulic pump driven by a belt, valves, cylinder, reservoir and a driver control mechanism(rack & pinion/steering gearboxes).
There are basically two types of power steering hoses: the high pressure hose and the low pressure or return hose. The high pressure hose is manufactured to withstand higher pressure and temperature than the return hose. At any time, temps may be over 270 degrees and there can be over 1500 psi.
How often does a steering rack need to be replaced? Eventually, a rack and pinion system will fail from everyday use, but these components are engineered for long-term operation. It will be unusual to have to replace the steering rack before 100,000 miles.
A steering wheel that is hard to turn, or very tight could be a sign that you`re having problems with your rack and pinion. If your gearbox builds up heat, or loses hydraulic pressure from lack of steering fluid, this can be another indicator.
A rod, called a tie rod, connects to each end of the rack. The pinion gear is attached to the steering shaft. When you turn the steering wheel, the gear spins, moving the rack. The tie rod at each end of the rack connects to the steering arm on the spindle (see diagram above).
Turn One`s rack and pinion rebuilding service is the most comprehensive rebuilding service available. All our rack services include a careful disassembly, component inspection, cleaning, service, and reassembly of racks including a new seal kit.
Power steering hoses are ideally hydraulic lines that carry, transmit, or transport high-pressure fluids like oil from power steering pumps to vehicles` steering racks before the fluids return at lower pressure. The advantages or benefits of this process include easier steering and smoother handling of the vehicle.
Power Steering Hoses – There are two main hoses, a high side and a low side. The high side hose brings pressurized power steering fluid to provide power to the steering inputs. The low side hose moves low pressure fluid back to the pump.
For off-road steering systems, flow rates can easily range from 3 up to 16 gallons per minute (GPM) and operate at maximum pressures in the range of 1200 PSI to 2000 PSI. If the pump is the heart of a full hydro steering system, then the steering control valve could be considered the brain.
Pumps are rated at 1200 PSI rating, 850 PSI valve available upon request.
Having power steering is essential for driving. Not only can driving without it damage your car, but it can also endanger other drivers on the road. For this reason, it`s illegal in all 50 states to drive without power steering. Power steering enables you to turn your steering wheel easily and quickens reaction time.
Signs of a bad power steering pressure hose

Old hydraulic fluid may turn darker in color and look similar to engine oil. Car becomes harder to steer – As you start to lose efficiency in delivering hydraulic fluid to the steering gear, your steering will require more effort to compensate for the lack of power steering.

While there is no specified lifespan for a power steering hose, they are normal maintenance items and should be inspected regularly. They should be replaced when signs of wear are noticeable, or when a leak develops. If your hoses wear too much, it`s possible that one or more will fail while driving.
Electric power steering is superior to hydraulic steering. If you`re buying a newer car, the chances are good that you`re already using it. With older cars, you`re likely dealing with a hydraulic steering system. Either way, you`re better off than you`d be with manual steering.
We put low pressure steering fluid in, and high pressure steering fluid comes out of the other end.
To answer the original question- Yes, Power steering fluid can be used in a hydraulic jack.
There are several different types of steering rack options available, power steering, manual steering, and now electric steering.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Can you replace just the hydraulic line in steering rack or does the entire rack have to be replaced?
ANSWER : The individual lines can be replaced but that is only worthwhile if there are no other faults with the rack. Also, inasmuch as the rack will probably have to be removed from the vehicle to replace an individual line, there is the related risk that you go to all that trouble, and expense, only to find other issues with the rack once it is re-installed in the car. But, again, to answer your principal question, the individual tubes can absolutely be replaced and they can even be fabricated right in the field. If you desire an inspection and advice as to the least cost and most effective repair strategy for this issue, please schedule a leak diagnostic and the responding certified mechanic will explain your options and ultimately get this resolved for you. If you have further questions or concerns as you decide what to do, do not hesitate to re-contact YourMechanic because we want you to make the most of your repair dollars and help you to get the best possible results.

Had the steering rack replaced and now the steering angle sensor is acting up after a front end alignment.
ANSWER : Hi there. If the codes are coming on for the steering angle due to either the sensor failing or the plug not plugged in all the way. Check the harness on the steering sensor and see if its plugged in. If the harness is plugged in and has not moisture on it, then the sensor has probably failed. You can have the vehicle realigned, but if the sensor has failed, it will not correct its self. I recommend replacing the steering angle sensor. If you need further assistance with the steering angle sensor, then seek out a professional, such as one from Your Mechanic, to help you.

Very loud pop when turning sharp left leaking transmission or power steering fluid where steering column meet rack
ANSWER : Hi there. If everything else has already been installed from the donor vehicle then it sounds like the high pressure hose is all that you need to install. The hardest part of doing this is the routing. One thing you may also want to double check is that the donor vehicle and your 2003 Escape have the same rack. There are different models depending on the model and the size of your wheels. You need to install the pressure line first, but if it does not line up then you may have the wrong rack installed. If you would like some assistance installing this hose, consider YourMechanic, as a certified mechanic can come to you to [replace your high pressure steering hose] https://www.yourmechanic.com/services/power-steering-pressure-hose-replacement

Hello my car had its steering rack replaced 5 months ago the garage never put the heat shield back on and now the steering rack is
ANSWER : Hello, thank you for writing in. The shields that are mounted on the bottom of the car provide the most protection from water and road debris. While they do provide this protection, failure of the rack and pinion should not have occurred after being exposed for 5 months. If weather conditions in your area are extreme right now, that may be a factor to consider, but you need to look into the situation a little further. Check to see if the rack was new, used, or re-manufactured when it was put in. Verify what kind of warranty the unit came with if any, and find out why the heat shield was not reinstalled. The company will have to take some responsibility for that. If the unit was used, it may not have a warranty, but any new or re-manufactured parts (used but rebuilt) should have a warranty. Between the manufacture of the rack, and the shop who did not reinstall the shield, you should be getting assistance somewhere along the line in replacing the unit again. For more help replacing the unit, or getting an inspection of the problem, contact our service department about scheduling.

Does the whole steering column need to be replaced in order to replace a fried steering column module?
ANSWER : I would ask the mechanic for the exact part number of the electronic component that he believes has failed. Or, at least have him "name" the part and indicate where in the column assembly the part resides. The steering column is made up of many parts, most of which are separately serviceable. As discussed below, limp mode (reduced power) has many, many causes. Consequently I would also ask the mechanic to explain to you EXACTLY how he arrived at his diagnosis and ALSO have him show you the exact test results, on a diagnostic tool, multi-meter, or scope, that has led him to conclude that the particular "module" has to be replaced. With no evidence and no intelligible confirmation you would be taking a risk.

YourMechanic does offer a reduced power (limp mode) diagnostic. If you request a reduced engine power diagnostic the responding certified mechanic will give you confirmation of the cause of the issue in your case. Typically, a vehicle’s powertrain control module (PCM) will have stored one or more diagnostic trouble codes that will identify the "general area" in which the fault lies in the engine management controls. Although the throttle control system is a common trouble area with reduced power, there are quite a few other components and systems that could come into play and, of course, there is always the possibility of multiple, or "coincident", faults. Here are some of the possibilities that YourMechanic dispatched technicians would consider:

Defective throttle position (TP) sensor
Defective oxygen sensor
Defective accelerator pedal position (APP) sensor
Loose or damaged wiring
Defective throttle body
Defective powertrain control module (PCM) (not typical; ONLY if a long, long list of other possibilities is ruled out)
Any fault/error that will affect drivability function
Any fault/error that will affect vehicle performance
A fault/error in the emissions system
A fault/error in the throttle control system
A fault/error in the transmission control system

If you request the recommended diagnostic the mechanic will get this resolved for you. If you have further questions or concerns, do not hesitate to re-contact YourMechanic as we are always here to help you.

Is it common to have such play in steering rack?
ANSWER : Hello. It is common to have very little play in the rack, but it should not be much. If there is some noise coming from the rack, then it needs to be replaced. The rack you have was more than likely a rebuild as it is not common to get brand new ones anywhere but the dealer and they are very expensive. I would definitely take is back out and have it warrantied at the place you purchased it from. If you would like to to have this taken care of by someone else, a qualified professional from YourMechanic can come to your car’s location to inspect the suspension and steering and advise on repairs.

Steering rack and pinion play
ANSWER : The movement in the rack shaft is normal as far as I have seen in the video. With everything hooked up, use jack stands on both sides of the car to and support it below the lower control arms. Once that’s done, see if both front wheels spin easily with no brake or bearing bind. Turn each wheel by hand and look for loose movement in the inner or outer tie rods. Then turn the wheel left and right to see if the rack is binding.

If you need some assistance or would like a second opinion about this, consider YourMechanic, as a certified technician can diagnose your steering issue and help you fix it accordingly.

Power steering is hard, softens when I accelerate
ANSWER : Well given the symptoms, it sounds like the power steering pump is not putting out adequate pressure. When you replaced the power steering pump, did you use an OEM pump? If not, I would suggest having the power steering pressure checked, and replace the pump with an OEM pump if necessary to ensure the pump is good quality. Also, I know you said the pipes have been replaced, but does that include the pressure hose between the pump and the steering box? If not, that could be an issue as well.

You should also check the front end steering and suspension components, as a failing steering rod or ball joint could be binding, causing the steering to be stiff until it has enough pressure to overcome the bind.

If you want to have the steering problem thoroughly diagnosed, you can contact a qualified professional, such as one from YourMechanic.