Mercury LN7 Power Steering Pressure Hose Replacement at your home or office.

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Power Steering Pressure Hose Replacement Estimate for Mercury LN7

Mercury LN7 Power Steering Pressure Hose Replacement costs $255 on average.

CarServiceEstimateShop/Dealer Price
1982 Mercury LN7L4-1.6LService typePower Steering Pressure Hose ReplacementEstimate$370.16Shop/Dealer Price$441.29 - $607.24
1983 Mercury LN7L4-1.6LService typePower Steering Pressure Hose ReplacementEstimate$336.16Shop/Dealer Price$407.32 - $573.29
Show example Mercury LN7 Power Steering Pressure Hose Replacement prices

Power Steering Pressure Hose Replacement Service

What is the power steering pressure hose and how does it work?

The power steering pressure hose transfers the high-pressure hydraulic output of the power steering pump to either a steering gear box or steering rack and pinion unit to create the power assist that you rely on when you turn the steering wheel. The pressure hose is only used in cars with a power steering pump and reservoir, so if you have a newer car you may have electric power steering instead. The pressure hose is relatively large in diameter in order to withstand high hydraulic pressure, flex as the engine moves and vibrates, and also withstand engine heat, accidental cuts, and abrasion.

When to the consider replacing the power steering pressure hose:

  • Groaning, whirring noise or difficulty steering. Noise, or difficulty turning the steering wheel, may reflect a low power steering fluid level, which could be due to a leak in a pressure hose, or a leak elsewhere in the power steering system. Although a leak in the pressure hose is a possible cause of a low fluid level, a mechanic will consider all other possible causes, too.
  • Visible fluid leaks. There are usually steel ferrules clamped onto each end of the rubber pressure hose. These ferrules are common leak points. If there is seepage from these ferrules, the pressure hose should be replaced.
  • Hose damage. If the hose has significant physical damage, such as cuts, abrasions, cracks, or heat damage, the hose should be replaced to avoid sudden hose failure.
  • Contaminated fluid. If rubber particles are found in the power steering fluid or reservoir, it means the interior of either the pressure hose or the return hose is deteriorating. All rubber hoses should be replaced and the system flushed. An in-line, aftermarket fluid filter might be required.
  • Hose age. Both the pressure and return hoses are rubber-based products with a limited service life. If the vehicle is more than 10 years old, and power steering components are being replaced, all the rubber hoses should be replaced during that service.

How do mechanics replace the power steering pressure hose?

The underhood routing of the power steering pressure hose varies greatly between car models. The repair procedure ranges from simple to quite involved. The basic steps are:

  • Raise car as needed and support with steel safety stands.
  • Unthread the pressure hose tube nuts, or banjo-style bolts, at each end of the pressure hose.
  • Remove pressure hose and inspect interior hose lining for separation, if visible.
  • Install a new hose, using a new sealing washer or O-ring seals as applicable, and paying particular attention to the required original equipment manufacturer’s (OEM) torque value for the tube nuts or banjo bolts. Replace rubber return hose, if required, and with the authorization of the customer.
  • Once the system is fully sealed again, bleed or flush power steering system as required to remove all air and contaminants.
  • Finally, the engine is run, the car is test driven, and leaks are checked for at all connections.

Is it safe to drive with a power steering pressure hose problem?

No. The fluid in the power steering pressure hose is under very high pressure and flammable. A leak that sprays fluid into a hot engine part, such as the exhaust manifold, can cause a fire. Leaks that cause significant fluid loss can cause difficulty in steering and, if a leak causes the fluid level in the reservoir to drop too low, it can cause damage to the power steering pump too, necessitating the installation of not only a new hose but a new pump.

When replacing the power steering pressure hose keep in mind:

  • When the power steering hoses are replaced, the entire power steering system should be inspected.
  • Use only OEM specified power steering fluid in your power steering system.
  • If the pressure hose has deteriorated from the inside, the rubber return hose should be replaced as well and the system should be flushed. A mechanic might recommend the installation of an in-line filter to capture all debris.
  • Tube nuts and banjo bolts used to seal pressure hoses have OEM-specified torque values. Mechanics will use a calibrated torque wrench to tighten the connections.
  • Complete removal of air from the system can occasionally take some time, even after the normal bleeding procedure. During this time some mild noise may be heard when turning the steering wheel. If it persists more than a day or so, the system should be rechecked.

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Real customer reviews from Mercury owners like you.

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Chuck

10 years of experience
317 reviews
Chuck
10 years of experience
Mercury Grand Marquis V8-4.6L - Power Steering Pressure Hose - Fort Worth, Texas
Excellent. Chuck was on time, explained process, and advised on further issue in language that was understandable and concise.

Dominique

10 years of experience
12 reviews
Dominique
10 years of experience
Mercury Milan L4-2.3L - Power Steering Pressure Hose - Royal Oak, Michigan

Matt

11 years of experience
2 reviews
Matt
11 years of experience
Mercury Mountaineer V6-4.0L - Power Steering Pressure Hose - Pittsburgh, Pennsylvania
Matt was very good and appeared to know cars and how to repair them very well.

Edgar

8 years of experience
202 reviews
Edgar
8 years of experience
Mercury Grand Marquis V8-4.6L - Power Steering Pressure Hose - Austin, Texas
I’ve had bad luck with cars in the past, so when my new car started having an issue I was dreading dealing with it. Luckily it was just a few parts that needed replacing, but what really made this experience great was the mechanic who worked on my car. Edgar was so kind, professional, and was great at communicating. I will definitely be using Your Mechanic again and highly recommend anyone requesting to work with Edgar.

Excellent Rating

(6)

Rating Summary
6
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Number of Mercury Power Steering Pressure Hose Replacement services completed
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services done by our mechanics
TOTAL NUMBER OF EXPERT Mercury MECHANICS
600+
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