BMW 740iL Power Steering Pump Replacement Costs

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Power Steering Pump Replacement Service

How much does a Power Steering Pump Replacement cost?

On average, the cost for a BMW 740iL Power Steering Pump Replacement is $628 with $460 for parts and $168 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
1999 BMW 740iLV8-4.4L	Service typePower Steering Pump Replacement	Estimate$1199.94	Shop/Dealer Price$1441.52 - $2140.73
1996 BMW 740iLV8-4.4L	Service typePower Steering Pump Replacement	Estimate$1183.72	Shop/Dealer Price$1419.73 - $2114.77
1994 BMW 740iLV8-4.0L	Service typePower Steering Pump Replacement	Estimate$1096.13	Shop/Dealer Price$1330.27 - $2023.90
1997 BMW 740iLV8-4.4L	Service typePower Steering Pump Replacement	Estimate$1183.72	Shop/Dealer Price$1419.81 - $2114.90
1993 BMW 740iLV8-4.0L	Service typePower Steering Pump Replacement	Estimate$1139.93	Shop/Dealer Price$1378.90 - $2076.17
2001 BMW 740iLV8-4.4L	Service typePower Steering Pump Replacement	Estimate$1183.72	Shop/Dealer Price$1420.25 - $2115.68
1998 BMW 740iLV8-4.4L	Service typePower Steering Pump Replacement	Estimate$1183.72	Shop/Dealer Price$1419.86 - $2114.99
1995 BMW 740iLV8-4.0L	Service typePower Steering Pump Replacement	Estimate$1096.13	Shop/Dealer Price$1330.26 - $2023.89

Show example BMW 740iL Power Steering Pump Replacement prices

What is the power steering pump and how does it work?

The power steering pump is a belt-driven or electric-driven hydraulic pump that generates the hydraulic pressure needed to provide power steering assist. It develops output pressures of 1,000 PSI or more. The pump output is directed to the steering gear, often a rack and pinion type unit, where the hydraulic pressure pushes on the steering rack, greatly reducing the effort it would otherwise take to turn the steering wheel.

Power Steering

When to consider replacing the power steering pump:

Groaning or whining noise when turning. Noise can occur if there is wear on the pump bearings or impeller vanes. A low fluid level or trapped air can also cause noises. If the pump has already been operating while dry, adding fluid may not resolve the noise and replacement of the pump might be necessary.
Power steering fluid leaks. Leaks can develop at pump seals, threaded connections, hoses, or on the steering rack and pinion unit. Pump seal leaks will generally require a replacement.
Difficult steering. Should you notice it is harder to turn the steering wheel, it might mean the power steering pump output pressure is too low, or there could be blockages in the pump or lines.
Damage to the pump pulley. Should the pump pulley become damaged or is loose on the pump shaft, you might detect vibration, drive belt damage, or hard steering. Either the pulley will have to be serviced or the pump assembly replaced.

How do mechanics replace the power steering pump?

If driven by a drive belt, the power steering pump is bolted to the engine via a bracket that allows for adjustment of the pump drive belt. Once the engine is cold, and safe to work on, the drive belt is removed.
If driven by an electric pump, the pump may be mounted in conjunction with the steering shaft or in conjunction with the steering rack. With either a drive belt or electric pump, removal of any dash, panel, or steering components is performed to access the pump.
The threaded connectors to the pump inlet and outlet are loosened and removed.
Any mounting bolts and brackets are removed so the pump can be removed.
If the old pump has failed catastrophically, or there is reason to suspect contaminants in the power steering hoses, the system is flushed.
The new pump is bolted on, the pressure and return hoses attached and the system is bled of all air. If pump is belt-driven, it is tightened to the manufacturer’s specification.
Finally, the engine is run and the car is road tested to confirm normal steering effort. If a new drive belt was installed, belt tension is measured again, and adjusted as needed, after the belt has run for a few minutes.

Is it safe to drive with a power steering pump problem?

No. If the power steering pump is operated without an adequate amount of fluid, and the pump reservoir will not hold fluid due to a large leak. The pump could seize, which would snap the serpentine belt and likely leave you stranded. If the pump turns and there is adequate fluid, but there is no power assist, it will require much greater effort to turn the steering wheel, and that presents inherent safety risks. Generally, the wisest course is to seek immediate repairs if you suspect a problem with any component in your car’s power steering system.

When replacing the power steering pump keep in mind:

Any belts driving the pump should be inspected and replaced as needed. The pump will only produce the required hydraulic pressure if it is driven by the belt at an adequate speed.
Power steering leaks from aged rubber hoses, particularly where the rubber is crimped to the steel tube, are not unusual and should be carefully inspected. The system operates under high pressure. The fluid is flammable, and if leaking fluid happens to contact a hot engine part, a fire might result. You always want to be sure the hoses and connections are sound.

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Edmar

23 years of experience

246 reviews

Edmar

23 years of experience

by Joshua

BMW 740iL V8-4.4L - Air Pump - Dallas, Texas

Edmar is a very awesome mechanic, he is very knowledgeable and courteous. He worked on my BMW and got it done in a timely fashion and smiled the entire. I will definitely recommend him for any of your car/truck needs. Keep up the great work Edmar!

Travis

16 years of experience

165 reviews

Travis

16 years of experience

by Patrick

BMW 740iL V8-4.4L - Brake Rotor/Disc Replacement (Front, Rear) - Forney, Texas

Travis was the ONLY good thing about this service. I have had NOTHING but issues from day one. I was scheduled originally and then the day of service after taking off work, was told no parts. I was rescheduled and then missed. Finally got serviced bit was overcharged. Had to call to get it corrected and waited on hold for 16 minutes. This has been the WORST customer service experience I have EVER had!!! At this point there is NO WAY I would EVER use you Again!

Alex

7 years of experience

82 reviews

Alex

7 years of experience

by Dane

BMW 740iL V8-4.4L - Pre-purchase Car Inspection - Newark, California

Alex was excellent, quick, thorough and just saved my nephew about $5000. This is my third experience with Your Mechanic and all three have been excellent experiences.

Edmar

23 years of experience

246 reviews

Edmar

23 years of experience

by Joshua

BMW 740iL V8-4.4L - AC Belt - Dallas, Texas

This guy is a Doctor when it comes to vehicles, fixes cars with surgical precision. Edmar always does a great job. If you want your vehicle done right then don't hesitate and book him now!!

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