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How long can I Drive with Power Steering Fluid Leak?

Obviously, the power steering fluid leak won’t leave you helpless on the side of the road. However, if this leakage problem is not handled timely, it can also wreck the car, causing its repair more expensive than you imagined.

So, when it comes to power steering fluid leak, make sure to drive your car unless you get to any nearest station for replacing the fluid and getting the repair done. Now the question arises, for how much miles a person can drive with the leaking power steering fluid? To get the answer, let’s continue reading it.

Causes Of Power Steering Fluid Leak

In order to understand the power steering fluid leak issue, you must first know what causes this problem. There are many way for your car leaking power steering fluid, but we will just list out the most common 4 factors:

Power Steering Pump

Power steering pump
One of the most common cause of power steering fluid leak

One of the most popular spot for a leak is power steering pump. It is usually because of the worn seal around the pump shaft, which create a source of leaks.

Another factor is the pump itself: When the pump creates pressure, it accidentally breaks the pump casing. Since most of them consist two bolting halves, the joint gasket will leak if it is old or loose.

Hydro Boost Brakes

Hydro boost brakes
power steering fluid leak can also be caused by hydro boost brakes

Hydro boost brake is, even though quite rare, yet another place to look at if you are checking for power steering fluid leak . On some vehicles, the brake system will combine with the power unit for steering. This sounds like a convenience plan, yet there will be several components and hoses that divide the power from one system to another. And yes you are correct, each hose, especially the seal, gasket, can develop leaks.

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Power Steering Hoses

Hoses
Hoses is the part to take car frequently

This is without a doubt the most common part to check when your vehicle has leaking power steering fluid. The power steering system has a pressure hose and a return hose. A pressure hose will lead from the steering box to the power steering pump, while a return hose will connect the gear box to the reservoir.

In many cases, the hoses can form a crack and make power steering fluid leak if the connection or seal is loose. This will lead the the disconnection between steering system components and the hoses.

Steering Gear Housing

steering gear housing
Another place to take care of

Last but not least, steering gear housing. It also depends on which type of power steering system, yet the mechanism is usually housed in the steering gear housing or within the rack housing. And both of them can cause leaks. If the seals for the power assist piston are worn or old, they can leak easily.

Miles to Drive with Leaking Power Steering Fluid

Knowing how long one can drive is equally important as understanding, the consequences of driving with power steering fluid leak. In this regard, there is no doubt that you can cover miles with the fluid in the power steering pump, even if it’s leaking. However, the situation can get worse damaging the pump, if there is no fluid in it.

To know more on this issue, explore the following list to keep you on road.

Traveling Distance with Badly Power Steering Fluid Leak

Leaking power steering fluid drive
How to drive with leaking power steering fluid

In this case, topping off the fluid is necessary every time you cover few miles as it keeps you driving indefinitely. For instance, 14o z of fluid is added into the pump to drive for 400 miles approximately.

However, if the level of the power steering fluid leak is not examined timely, it can drain completely. Thus, leading to the more dangerous problem associated with the power steering rack.

Once your car has leaking power steering fluid, it makes the driver feel as if the power steering has locked up. To add on, the noise from under the hood can also be heard while steering. Furthermore, on a curve or sharp bend roads, the power steering won’t respond well making it even more difficult to drive, especially in the mountainous area.

Traveling Distance Without Fluid In Power Steering Pump

leaking power steering fluid
Consequences of leaking power steering fluid

Operating with a power steering pump that has no fluid in it can likely cause the pump failure in few minutes only. In fact, one won’t be able to cover even first hundred miles with a dried power steering pump.

Without the fluid, the power steering pump or rack can overheat leading to complete failure of the system. In addition to it, the serpentine belt would also seize by either snap or come off. This will result in loss of alternator and water pump, too. And, if it’s not repaired timely, the head gasket can also break down.

Besides this, leaking power steering fluid means losing the power steering and subsequently, the power brakes. However, as a driver, you can use brakes but this time, you will need to apply more force to them. Finally, after knowing all about the failures caused due to the power steering fluid leak, it’s in your best interest to get it fixed soon from the nearest service station as maintaining it can save your car from wrecking.

6 Comments
  1. Χωρίς Όνομα says

    I did not know that power steering fluid is also responsible for power braking. As a matter of fact I believe these are two completely independent systems. Can you please double check and report back? Thanks!

    1. Barry Parr says

      If the system has HYDROBOOST. Then yes it can cause brake failure as the power steering pump drives the boost for applying the power brakes. So if you lose the power steering fluid then no power assist for brakes. Very hard to apply brakes at this point they are manual. Very dangerous.

  2. PAUL says

    I DRIVE A TOYOTA CAMRY 2002 MODEL, I POURED IN THE POWER STEERING OIL AND IN VERY FEW HOURS THE ENTIRE OIL WAS LEAKING. PLEASE WHAT IS THE ACTUAL CAUSE BECAUSE THE STEERING IS VERY STIFF?

  3. Jessica says

    I’m not sure you can help me but I have a 2016 GMC Acadia with 42,000 miles. The other day when I turned my wheel I felt a weird grinding noise. I immediately brought it to the dealer that was less then a half mile from my house. They informed me that I needed a new hose because the power steering fluid was leaking. They replaced it and I paid for it. We didn’t even make it out of the parking lot because the car was shuttering and definitely way worse then when I left it there! Now they tell me I need a $1300 repair for a new gear. They are saying it’s my fault for driving it with the leak! Would the car drive worse after the leak was repaired? I feel like something isn’t right!
    Thanks

  4. Steve Rose says

    Thats a ridiculous price especially if they want to keep you as a customer.
    I had a garage charge me 750$ once and it still leaked . Ended up just being the hose which was 30$

    My brothers truck had same problem. Found an honest guy that works probably for around 25 an hour
    He replaced the whole power steering pump and assembly for 180$ and that includes labor .

    If they want to charge you 1300$ thats more than 1,000$ profit they getting for probably an hour job .
    1,000$ an hour for labor is ridiculous.

  5. Lynn says

    Thank you, Mr. Azuma, for your helpful article.

    Perhaps you can help me understand whether a rack-and-pinon leak, which I understand can deplete the power steering fluid, is a coincidence vs. a secondary damage from unrelated repairs/problems?

    Here is the back story:

    Despite being the original owner of the car, my spouse was unaware at ~167,000 miles that the head gasket had begun to fail — apparently as a result of a flawed head gasket design on the part of Subaru. Despite taking the car to have the water pump, drive belts and crankshaft seals replaced — and to a Subaru dealer for sensor replacements less than three years prior — no one informed us about the ticking time-bomb head gasket issue.)

    After the valves were serviced, head gasket, AC fan and cracked radiator were replaced, we drove approximately two hours at which point the timing belt shredded at highway speed and bent six valves.

    The repair shop replaced the bent valves and belt. They say the timing belt tensioner, pulleys and pistons do NOT need to be replaced. Instead, they repaired a stripped out bolt in the drive belt assembly that they say was responsible for allowing the timing belt to shred. Upon trying to drive away after the valve replacement, there was a high-pitch noise on acceleration and the feeling of the car being under too much load when accelerating. (The engine passed a compression test after the valves were replaced so our own impression was that of a bad bearing or tensioner but, again, the shop says those parts do not need to be replaced.)

    Only after the second of two successive major repairs were we told the rack-and-pinion has a leak. This is puzzling because we have had less than 24 hours of access to our car in a seven week period.

    The shop is blaming this on the age of the vehicle (coincidental problem). However, we had the transmission and motor mounts replaced at the same time the valves and the gasket were done. Surely if it had been leaking beforehand we would have been told because last year we had the alternator, power steering pump, axle and rack-and-pinion boot replaced. In short, many people have had an opportunity to inform us if there were such a leak.

    The shop wants more money to replace the rack-and-pinion assembly due to this leak. Should we consider this a coincidence and pay them for this repair — or is the leak a possible sign of damage that occurred during the process of accessing and replacing bent valves and a shredded belt? Also, how should we deal with our contention that there may be a bad bearing or failing hydraulic properties in the belt tensioner that could have contributed to the burning odor and the high-pitch noise we heard on acceleration? The shop is blaming the burning/smoke on the rack-and-pinion leak. My fear is that it could signal a condition that will result in the belts breaking a second time in a row. What should we do?

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