BMW 740i 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 740i 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
2012 BMW 740iL6-3.0L Turbo	Service typePower Steering Pump Replacement	Estimate$2071.08	Shop/Dealer Price$2384.42 - $3235.12
1997 BMW 740iV8-4.4L	Service typePower Steering Pump Replacement	Estimate$1183.72	Shop/Dealer Price$1419.73 - $2114.77
2001 BMW 740iV8-4.4L	Service typePower Steering Pump Replacement	Estimate$1183.72	Shop/Dealer Price$1419.81 - $2114.91
2014 BMW 740iL6-3.0L Turbo	Service typePower Steering Pump Replacement	Estimate$4635.30	Shop/Dealer Price$5584.67 - $8386.70
2013 BMW 740iL6-3.0L Turbo	Service typePower Steering Pump Replacement	Estimate$4635.30	Shop/Dealer Price$5600.91 - $8415.13
1999 BMW 740iV8-4.4L	Service typePower Steering Pump Replacement	Estimate$1183.72	Shop/Dealer Price$1420.25 - $2115.68
2017 BMW 740iL6-3.0L Turbo	Service typePower Steering Pump Replacement	Estimate$2399.30	Shop/Dealer Price$2780.99 - $3899.51
2016 BMW 740iL6-3.0L Turbo	Service typePower Steering Pump Replacement	Estimate$2399.30	Shop/Dealer Price$2789.67 - $3914.70

Show example BMW 740i 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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Attila

20 years of experience

1104 reviews

Attila

20 years of experience

by Allan

BMW 740i L6-3.0L Turbo - Oil Change - Clark, New Jersey

On time and very knowledgeable about his trade. Great customer service cool guy. Thanks

Attila

20 years of experience

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Attila

20 years of experience

by RANDY

BMW 740i V8-4.4L - Battery - Jersey City, New Jersey

Experience could not have been

Andrew

16 years of experience

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Andrew

16 years of experience

by Theodore

BMW 740i V8-4.4L - Starter - Beaverton, Oregon

Andrew came out last week and troubleshot my car in the garage and said it was the starter motor. I had suspected it was the starter motor but wasn't quite sure so it was good to get a verification. I have to admit, I was kinda skeptical about this home mechanic thing so I was taking a wait and see attitude until after he came back for the repairs. Both times, Andrew showed up early..which is fine by me. Today, when he came back, he went straight to work installing the new starter motor and changed the oil. Car fired right up so I was happy and I've started it a few more times and it is working well and I don't see any oil leaking. If there was a half star option, I'd deduct 1/2 star. Andrew needs to carry some oil rag buckets or something since he put a bunch of oily rags next to the sidewalk and I went out to clean them up (my dad saw them on his way out and text me and I said, it can't be the mechanic) and had to dig up some dirt since the rags were leaking oil. I'm not sure why he thought placing them on the ground was a good idea but oily rags on the ground is never good especially when it's raining. Overall, I'm happy with the repairs and the experience and will definitely consider using the service again especially since I'm working from home and don't get into my normal shop anymore.

Rigoberto

12 years of experience

739 reviews

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Rigoberto

12 years of experience

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by Eduardo

BMW 740i V8-4.4L - Brake System Inspection - Chicago, Illinois

Inspected my car and test drove it. Told me exactly what was wrong and showed me the problems. Seems to be very familiar with this type of BMW and knew about some of the problems I've had with it before I even told him. Very happy with his inspection and the advice he provided on how to get everything fixed and how to properly maintain this type of car.

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